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#67 From: "Clive Bates" <clive_bates@...>
Date: Mon Sep 24, 2007 10:28 am
Subject: Severn barrage commentary
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I have just posted a commentary on the Severn Barrage concept on my policy blog:  “Case for the Severn Barrage – does it hold water?” taking a sceptical view of the project as a response to climate change.   Here is the link….

http://baconbutty.blogspot.com/2007/09/severn-barrage-brilliant-or-bonkers.html

 

If you would like to discuss this, please comment on the blog not on this forum.  This forum is intended for information and news sharing, not discussion.

 

Regards

 

Clive Bates


#66 From: "Knight, Oliver (SDC)" <oliver.knight@...>
Date: Wed Sep 19, 2007 11:42 am
Subject: Climate is right for overhaul of UK energy regulation
oliver_knigh...
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Members of this group may be interested in a report the SDC is publishing today on the role of Ofgem in delivering a sustainable energy system - see our e-bulletin below. Some of the conclusions of this work will feed into our tidal report.
 
Kind regards,
 
Oliver Knight
 

sustainable development commission 
The independent government advisor on sustainable development

THE SDC HAS MOVED - Please note my new contact details below

Oliver Knight
Senior Policy Analyst - Energy & Transport

Sustainable Development Commission (SDC)
55 Whitehall, London SW1A 2HH

( tel:  (020) 7270 8265
2  fax:  (020) 7270 3318
* email: oliver.knight@...

www.sd-commission.org.uk



From: list-bounce@... [mailto:list-bounce@...] On Behalf Of list@...
Sent: 19 September 2007 11:48
To: list@...
Subject: Climate is right for overhaul of UK energy regulation

Logo Debates, advice, publications and your case studies
September 2007
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Climate is right for overhaul of UK energy regulation

The potential for Ofgem to contribute to re-shaping the UK energy system for a sustainable future is huge. We'd like to see Ofgem's primary duty changed so that its central focus is on creating a sustainable system which costs as little as possible. - Bernie Bulkin, SDC Commissioner

Our second thematic review examines Ofgem's performance as the regulator of the gas and electricity markets, and highlights some of the ways in which we believe Ofgem could play a long-

term role in reducing carbon emissions from electricity and heat production.

Key recommendations include:

• The reduction of greenhouse gas emissions, should be made central to Ofgem's remit in order to meet the needs of future consumers.
• Providing consumers with better information through smarter metering and billing to help them make decisions about their energy consumption.

» Full news story and reports

Lost in Transmission: The role of Ofgem in a changing climate

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Also in this issue...

 
Front cover Sustainable Development in Scotland  

What's the state of our nation?

The SDC Scotland's latest publication examines progress made by the Scottish Executive towards commitments in Choosing Our Future – Scotland’s sustainable development strategy.

» Read our full report to find out more



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In the news

19/09/07 Ofgem role must be re-written
19/09/07 Ofgem 'must cut greenhouse gases'
19/09/07 Watchdog joins fight against green energy fees
17/09/07 Live webchat with John Hutton - Nuclear Power
16/09/07 Labour starts renewable energy drive to win back climate initiative
13/09/07 Government agrees £270m leasing deal
12/09/07 Landmark ruling opens door for more incinerators
09/09/07 The Green Gauge
06/09/07 Developing the UK's zero-carbon homes
05/09/07 Salmond revives plan for carbon capture plant
05/09/07 Why Scotland must consume less
03/09/07 Severn balancing act - Hain


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#65 From: "Peter W. Ullman" <ullman@...>
Date: Wed Sep 12, 2007 6:04 am
Subject: RE: query on effects of Severn Barrage on sediment movement
tidalelectric
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Energy Paper #57 published in 1988 by the Severn Tidal Power Group is a summary of the 14 years of study of the Severn Barrage funded jointly by DTI and various private backers at a cost of £65m. EP57 ought to be available from HMSO. Seeing the back-up reports (where I suspect the info you are seeking resides) is much more difficult. We tried to see it but were required to go to Swindon, could only see a few pages at a time, could not make copies. Quite hush-hush. It stands about 18 inches tall and ought to include what you are seeking, but I don’t know for sure.

 

But that was several years ago and the newly-revived STPG may now be more willing to share its publicly-funded reports. In any event, you should contact Balfour Beatty or MacAlpine’s (STPG) for access to those studies.

 

ABPmer have done extensive sediment transport modeling throughout the Estuary for numerous jobs and they would be a good source although I don’t know whether thay have worked on that specific scenario.

 

Concomitant with concerns about sediment transport downstream of the Severn barrage are concerns about the sewage entrapped upstream and its impact on the headpond, the requirements to convert the gravity-operated outfalls to pump-operated and the plan for disposing of it. Could get rather smelly over time.

 

Peter

 

From: tidal_power_uk@... [mailto:tidal_power_uk@...] On Behalf Of iantitherington
Sent: Monday, September 10, 2007 6:19 AM
To: tidal_power_uk@...
Subject: [tidal_power_uk] query on effects of Severn Barrage on sediment movement

 

As an Engineer interested in both the potential of barrage/lagoon
energy production and sediment extraction in the Severn Estuary, could
anyone point me to any published research on the potential effects of
a barrage on sediment movement?

The current extraction of sand off the Gower coast is a sensitive one,
yet no-one appears to have questioned how a Severn Barrage will affect
this. It is recognised that sediment in the estruary moves tidally in
an anti-clockwise pattern up the English coast and down the Welsh
coast. I realise that my description is a little simplistic as it
takes no account of the huge sediment movements resulting from storm
surges, but it would appear to me that a huge tidal wall could at the
very least disrupt sediment movement.

Any help on this would be gratefully accepted.


#64 From: "iantitherington" <iantitherington@...>
Date: Mon Sep 10, 2007 10:18 am
Subject: query on effects of Severn Barrage on sediment movement
iantitherington
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As an Engineer interested in both the potential of barrage/lagoon
energy production and sediment extraction in the Severn Estuary, could
anyone point me to any published research on the potential effects of
a barrage on sediment movement?

The current extraction of sand off the Gower coast is a sensitive one,
yet no-one appears to have questioned how a Severn Barrage will affect
this. It is recognised that sediment in the estruary moves tidally in
an anti-clockwise pattern up the English coast and down the Welsh
coast. I realise that my description is a little simplistic as it
takes no account of the huge sediment movements resulting from storm
surges, but it would appear to me that a huge tidal wall could at the
very least disrupt sediment movement.

Any help on this would be gratefully accepted.

#63 From: ferrand <ferrand@...>
Date: Wed Sep 5, 2007 3:25 pm
Subject: Re: A reminder of this group's purpose
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Re comment on Severn Barrage, agree that is probably "not on" but H M Government seem to consider Tidal Ponds as a competitor to Nuclear for Electricity Base Loads. Else why [is is rumoured] would they threaten E.On with being barred from tendering for Nuclear if it tendered for Tidal Ponds ?

Apart from the Swansea Tidal Ponds concepts, the E.Coast would seem an ideal location for Tidal Ponds, acting as Coastal Erosion prevention and fish farms as well, and as supports for "just off shore" wind turbines.

There are several large areas of shallow water which might be "exploitable" including The Wash, The Humber Estuary, parts of the Thames Estuary and the Goodwin Sands which so I understand was an island within a sea wall in 1066

see also http://www.earthtoys.com/emagazine.php?issue_number=07.04.01&article=tides
regards
Ferrand
www.grunweb.org.uk
www.localpower.org


#62 From: "nj_eales" <nick@...>
Date: Wed Sep 5, 2007 12:39 am
Subject: Re: A reminder of this group's purpose
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It is worth remembering there is a discussion thread on the SDC website

What role for tidal power in the UK?
started by Oliver Knight

http://www.sd-commission.org.uk/forum_public/index.php?tid=1871

Many of the contributers point out the economic and environment
objections to the massive Severn Barrage proposal

#61 From: "Knight, Oliver (SDC)" <oliver.knight@...>
Date: Wed Aug 29, 2007 4:50 pm
Subject: FW: MAGIC Website feedback request
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I'm forwarding this email from the Energy Institute as it may be of interest to some people in this group.
 
Oliver Knight


From: Kerry Hoad [mailto:KHoad@...]
Sent: 29 August 2007 17:06
Subject: MAGIC Website feedback request

 

Dear Colleague

 

Digital Coastal and Marine Resources Atlas Website Feedback Request: www.magic.gov.uk

 

Feedback is requested on awareness of the atlas, usability/functionality and additional dataset requirements. (Deadline for feedback 21st September 2007)

 

The digital Coastal and Marine Resource Atlas provides an audit of sensitive environmental habitats and species in the UK¡Çs coastal zone and further offshore. The Energy Institute has been involved in a recent project to improve this mapped information, helping to pull together a number of diverse datasets and, in the process, highlighting a number of issues in how data is collected and managed at a national level.

 

Under the UK¡Çs National Contingency Plan for Marine Pollution from Shipping and Offshore Installations, established environment groups must advise on the environmental aspects and impacts of any pollution response operations. In the early 1990s a hardcopy atlas covering Great Britain was published, principally to provide an audit of sensitive environmental habitats and species in the coastal zone and further offshore. It was widely felt that these maps could be improved by making them more detailed to reflect the number of newly designated areas since 1990, and to include the increasing number of designated sites that fall outside statutory control.

 

The EI worked in partnership with other organisations and was one of the key sponsors for this project, with funds provided through the EI Technical Programme, which aims to provide industry with cost effective, value adding knowledge on current and future issues affecting those in the petroleum and wider industries, both in the UK and beyond.

 

The Atlas is hosted as a sub-topic on the Defra MAGIC (Multi-Agency Geographic Information for the Countryside) website (www.magic.gov.uk). Its public availability through the MAGIC website means that other users such as educators, students, pressure groups and the general public are able to access the information.

 

The digital Atlas is primarily a tool aimed at supporting government agencies involved in environmental planning and, in particular, oil spill contingency planning and response. As a secondary function it will be of use to specialist information professionals working in the area of coastal and marine environmental management in the private, public and voluntary sectors.

 

Information collected as part of this project is likely to be of benefit to marine and coastal planners and operational staff conducting the following functions:

¡ü Audit and planning

¡ü Operational response at time of oil spill

¡ü Operational use for clean-up operations

¡ü Assessment of damage and issues of responsibility

¡ü Sharing coastal and marine resource data

 

Agreement was reached on continuing a working group with the aim of overseeing the resource mapping initiative and other related activities. The workgroup is looking for feedback from industry professionals and consultants on awareness of the site (If it is being used), the usability/functionality of the website and if there are additional data sets which would be useful. Feedback is requested by Friday 21st September.

 

The workgroup is also looking for volunteers from industry who are interested in sitting on the workgroup.

 

If you have any comments/feedback or suggestions on the site which you would like the workgroup to be aware of please send them to khoad@...

 

Kind Regards

 

Kerry Hoad

 

Technical Officer

Energy Institute

61 New Cavendish Street, London W1G 7AR, UK

t:  +44 (0)20 7467 7131 (direct)

t:  +44 (0)20 7467 7100 (switchboard)

f:  +44 (0)20 7467 7156

 

e: khoad@...

www.energyinst.org.uk

 

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Access the benefits of Individual and Company Membership today by joining the EI online  www.energyinst.org.uk

 

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#60 From: "Peter W. Ullman" <ullman@...>
Date: Wed Aug 29, 2007 2:54 pm
Subject: RE: Canadian Tidal Power
tidalelectric
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Hi Peter,

 

Noting Oliver’s reminder earlier today that this discussion group is not actually for discussion but rather for notices and information, let me notify you that I will respond to your message separately and not include it in the SDC discussion group’s blog.

 

I’ll send it shortly.

 

Best wishes,

 

Peter Ullman

 

From: peter waugh [mailto:peter.waugh@...]
Sent: Wednesday, August 29, 2007 10:11 AM
To: 'Peter W. Ullman'; 'Knight, Oliver (SDC)'; Murray Stewart
Cc: tidal_power_uk@...; 'Tim Lang'; peter@...; 'Roger Hull'; 'John Redman'; 'Nick Wood-Dow'; 'Jennifer Webber'
Subject: Re: [tidal_power_uk] Canadian Tidal Power

 

Dear Oliver

 

Further to Murray Stewart's note ref the Severn.

 I do not represent any group in this regard. Peter Ullman's case may unduly stretch the Canadian experience for application to all UK circumstances. English  energy requirements for a given geographic size of region are such that the more intense methods of energy generation will always be sought or at least considered.

I see no reason to assume private investment is for lagoons and public finance is for barrages. Both need both a great deal of money and strong regulation.

 

 In the case of London, we have already an existing heavy structure in the shape of the Thames barrier. It is already in need of re-planning for a strategic future of higher sea levels. Pollution levels could diminish if the two-way flows were consequently modified to be mainly downstream only. The Thames in London is already supremely a human construct due to water extraction, building-up of both banks, and drainage from urban streets. The ecology would change in this (relatively-clean) metropolitan waterway, but it could well change for the better. I am sure that SDC will look at ' Barrier II '  from the point of view of pollution control, flood protection , transport, recreational use and ecological impact.

 

Peter  Waugh

 

ere  

----- Original Message -----

Sent: Tuesday, August 28, 2007 4:52 PM

Subject: RE: [tidal_power_uk] Canadian Tidal Power

 

Dear Oliver,

 

I attach an email on behalf of the Severn Tidal Power Group in response to Peter Ullman's comment's on Canadian Tidal Power.

 

Best regards

 

Murray

 

Barrage versus Lagoon: Direct comparison is necessary

We understand that representations have been made that a barrage would not be an appropriate way to generate large amounts of power in the Severn, and tidal lagoons would be more effective.  In the interests of balance we thought it might be helpful to provide the following.

The particular advantages of a barrage for the generation of renewable energy in the Severn Estuary are:

1.      The amount of energy produced
The electricity generated by turbines is determined by the amount of water and the height through which it falls when passing through the generating turbines.  So to capture the same amount of energy as a barrage, a tidal lagoon would have to cover the same area as the height is set by the tidal range in the Severn Estuary.

Such a lagoon, or series of lagoons would be very large indeed, and would be liable to obstruct shipping unless expensive measures are taken.


2.      The cost of construction
A barrage makes use of the existing coastline for perhaps 90% of the perimeter of the basin in which the high tides are trapped.  A tidal lagoon has to fund the entire perimeter, so must be more expensive to build.  A big tidal lagoon would have to go into the deep water, so assumptions about low cost construction in shallow water would not apply.


3.      Flood prevention and mitigation
A barrage can prevent any flooding from sea level rises or storm water surges (as occurred during hurricane Katrina in New Orleans) for the entire upstream coastline.  For a Cardiff to Weston-super-Mare barrage this is 170 miles of coastline protected. 

In addition, flooding in the lower River Severn can be reduced:  at high tides the sea level overtops the weir near Gloucester which stops the river flowing freely.  By shutting the barrage sluices just before high tide when the river is in spate the extent of river flooding can be reduced.


The best way to assess the merits of alternative ways of harnessing the power of the tides in the Severn Estuary is to carry out an Appraisal of all the alternatives on a common basis, with an independent steering committee to ensure objectivity.

 

Roger Hull

Severn Tidal Power Group

August 2007

 

 

Murray Stewart
Senior Counsellor
Chelgate Limited
One Tanner Street
London
SE1 3LE
Tel: 020 7939 7949
Fax: 020 7939 7938
Mobile: 07805 108458
Email: mst@...
Registered in England,
registered number - 226305

http://www.chelgate.com

 

-----Original Message-----
From: tidal_power_uk@... [mailto:tidal_power_uk@...] On Behalf Of Peter W. Ullman
Sent: 21 August 2007 16:58
To: 'Knight, Oliver (SDC)'
Cc: tidal_power_uk@...; Tim Lang; peter@...
Subject: [tidal_power_uk] Canadian Tidal Power

Hi Oliver,

Canada’s Bay of Fundy has the world’s highest tidal range and is the site of a demo project installed in 1984, a 16 mw straflo turbine.

The Canadian government and the Nova Scotia and New Brunswick provincial governments are working through how they will deal with permitting and supporting the various tidal technologies being proposed for the Bay of Fundy. They are holding a series of public meetings in Nova Scotia. Last week I attended one in Wolfville, Nova Scotia.

Nova Scotia is conducting a Strategic Environmental Assessment. First, they commissioned EPRI (Electrical Power Research Institute, based in Palo Alto, California) to study the resource for in-stream tidal (Canadian term for “tidal stream”). Result: about 2200mw of which about 300 mw appeared to be practically achievable. The tidal lagoon resource is about 5000 MW exclusive of pumping.

Given that in-stream tidal has numerous devices in the experimental stage, they have bifurcated the permitting process into “Test Sites” (in-stream) and “Commercial Sites” (tidal lagoons). There are appropriate differences between the test-technologies (includes proving the technology, track record, etc.) and tidal lagoons (commercial technology: no need for technical learning curve) and the process for permitting they must undergo.

Barrages are not being considered at all. Canada did extensive studies done in the 1970’s including consideration of 63 different barrage configurations and the use of barrages was subsequently dropped from consideration. Following is their (the Strategic Environmental Assessment team) statement:

“In the past, tidal energy technology involved installing turbines in barrages across estuaries or bays. The Nova Scotia Power Annapolis Royale Tidal Power Generating Station, commissioned in 1984 is an example of this approach. However, this technology is now considered unsuitable for broad-scale commercial use because of environmental and economic concerns.” [They go on to describe the technologies under consideration, in-stream and …] ”Another tidal technology is the tidal lagoon, which creates an offshore enclosure, but unlike a conventional barrage does not totally block tidal flow.” (OEER, Fundy Tidal Energy, 2007)

This leaves the SDC (i.e. the UK) as the only entity worldwide giving serious consideration to a barrage. Even EDF who own the world’s largest barrage have no interest in building another barrage. They recently invested in tidal stream.

I trust your Commissioners are aware of this fact and will weigh it when making their recommendations. There are a number of very highly-respected Commissioners whose reputations will be impacted by this report and it would be a shame to ask them to sign off on a report without them being fully informed by you, if you ask them to recommend spending yet more public money on the Severn Barrage and continue to delay the commercial installation of privately-funded tidal lagoons whose aggregated output would dwarf the output of the Severn Barrage and cost the public nothing.

Best wishes,

Peter Ullman

From: tidal_power_uk@... [mailto:tidal_power_uk@...] On Behalf Of Knight, Oliver (SDC)
Sent: Tuesday, August 21, 2007 7:30 AM
To: tidal_power_uk@...
Subject: [tidal_power_uk] FW: Towards a Coherent Network of Marine Protected Areas, 2-4 October Scarborough

This conference may be of interest to people on this group.

Oliver Knight


From: Bob Earll [mailto:bob.earll@...]
Sent: 21 August 2007 12:18
Subject: Towards a Coherent Network of Marine Protected Areas, 2-4 October Scarborough

Towards a Coherent Network of Marine Protected Areas

Conference  - BOOK NOW

2nd- 4th  October 2007, Scarborough

Natural England

Dear colleagues

There are clear international goals for the UK to establish a national network of Marine Protected Areas and this is being supported by work on the Marine Bill and the concept of Marine Conservation Zones. This conference will highlight a wide range of thinking and work going towards this including the need to effectively engage stakeholders.

The Marine Protected Areas Conference aims is to bring together those involved in management, designation,  science and policy development of MPAs. Delegates will be able to share information and learn about the latest MPA science, good practice and policies from speakers from the UK and overseas as we look towards achieving our MPA targets.

Would you:

  • Please circulate this to colleagues that you think will be interested in this conference

The programme including the booking form is attached.

TO BOOK

You can book and pay online with a credit card at www.coastms.co.uk or pay by credit card over the phone, BACs, cheque etc; we issue invoices and receipts. Please email or fax the booking form to bob.earll@... or 01531 890415

Organised by CMS – Coastal Management for Sustainability

Please circulate this email to colleagues who may be interested

Sent by CMS Email Advertising Service - Contact www.coastms.co.uk

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#59 From: "DIVE-Turbine C.Winkler" <winkler@...>
Date: Wed Aug 29, 2007 9:33 am
Subject: New Technology for the Ocean-Energy-Market - high Torque Generator and DIVE-Turbine!!!
dive_turbine
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Hello Tidal power group,

 

I know the meaning of this group is not to provide information of a commercial nature, but we think it would be a shame if the Ocean-Energy-Market doesn’t benefit from our technologies, due to a lack of information. We appreciate if you take a couple of minutes, for a quick look on the following information/products.

 

We and our fellow company www.oswald.de could provide the Ocean-Energy-Market with two innovative Products. Oswald Electromotor invented and produces a state of the art high Torque Motor/Generator (example: 110rpm; 46.500Nm; 536kW; 95%) , more information to be found on: http://www.oswald.de/index.php?id=38&L=1 This TF-Motor/Generator fits perfectly for any low-speed wave- or tidal-devices. Based on this Generator we invented a new compact and very efficient submerged Hydropower-Turbine. The “DIVE-Turbine” would be perfect for any Wave-Energy-Overtopping- or Tidal-Device (with a rated power of up to 1MW per unit), due to the long life sealing (no wear-and-tear even in seawater), low-maintenance, high efficient and underwater operation, http://www.dive-turbine.com/technology.htm .

 

This is everything I want you to tell at the moment and hope you can see the potential of our products within the Ocean-Energy-Market.

 

If you have any further questions, we would appreciate if you contacted us.

 

Yours Sincerely

 

Christian Winkler

Sales department

 

DIVE-Turbine / FELLA GmbH
engine and machine construction Hydropower-technology

 

Street: Am Grundlosen Brunnen 2
D – 63916 Amorbach
Germany


phone: +49 9373 / 97490

cell:      +49 179 / 9436193
fax:       +49 9373 / 974949
email:   
winkler@...

web:     www.dive-turbine.com

 

Geschäftsführer: Günter Fella

Amtsgericht: Miltenberg am Main          

Handelsregisternummer: 5255

 

 


#58 From: "Knight, Oliver (SDC)" <oliver.knight@...>
Date: Wed Aug 29, 2007 9:23 am
Subject: A reminder of this group's purpose
oliver_knigh...
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Dear all
 
Please note that this email group was set up "as a forum for the sharing of news and information on tidal power, and to allow the SDC to communicate progress on the project to a wide group of stakeholders". It is not intended as a discussion forum, and using it as such may cause people to leave. There are plenty of other opportunities for a discussion of these issues, including email groups set up specifically for this purpose. Please feel free to post a link to an alternative group or forum if you want to continue the discussion elsewhere. However, we reserve the right to moderate (and reject) emails from people who use it as a discussion forum - or the whole group if necessary.
 
I also just wanted to take this opportunity to highlight the success of this group, and encourage people to use it for the dissemination of news and information related to tidal power. The group now has 172 members, all of whom have signed up due to an interest in tidal power, which makes it a good resource. The SDC is keen that it is used for purposes other than to report on the progress of our project, which will soon be coming to an end. Please feel free to post an email to draw the group's attention to new research and reports, or developments in the industry.
 
Kind regards,
 
Oliver Knight
 

sustainable development commission 
The independent government advisor on sustainable development

THE SDC HAS MOVED - Please note my new contact details below

Oliver Knight
Senior Policy Analyst - Energy & Transport

Sustainable Development Commission (SDC)
55 Whitehall, London SW1A 2HH

( tel:  (020) 7270 8265
2  fax:  (020) 7270 3318
* email: oliver.knight@...

www.sd-commission.org.uk


#57 From: "Peter W. Ullman" <ullman@...>
Date: Tue Aug 28, 2007 5:30 pm
Subject: RE: Canadian Tidal Power
tidalelectric
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Hi Murray and welcome to the debate.

 

I note you work for a PR firm and assume you have been hired by STPG to put lipstick on the Severn barrage. I’ll also assume your technical statements are informed by Balfour Beatty and MacAlpine. I have shared many podiums with John Redman, Roger Hull, and Tom Shaw and am familiar with their contentions.

 

You do not actually address the issue I raised in my note on Canadian tidal power, which is that barrages have been rejected in Canada and everywhere but the UK as environmentally damaging and economically inane. The Canadian studies done in the 1970’s jibe closely with the UK studies done by STPG in the 1970’s and 80’s. The recommendations at the time were similar: forget about barrages. The distinction is that the STPG has resurrected the Severn Barrage proposal, rejected in 1849, 1925, 1950, and 1987 (by some of the same people as are now attempting to breathe life into it.)

 

Regarding the Severn barrage vs. lagoons debate

 

1.       Economics

a.       Severn Barrage will cost HMG plenty (£17b, £20b, £30b?) First bite: more studies

b.      Tidal lagoons will cost HMG nothing

 

2.       Output

a.       Severn Barrage load factor 24% (source: STPG)

b.      Tidal lagoons load factor 50% to 57% in the upper estuary, 36% in Swansea

 

3.       Area Impounded to produce about 17 TWh/year

a.       Severn Barrage 185 square miles (source: STPG)

b.      Tidal lagoons about 60 square miles

 

4.       Flood defense behind the barrage is at the expense of flood “offense” in front of it. What are the impacts of increased high tides and flood surges in sensitive shoreline areas downstream? Crumlyn Burroughs? Bridgewater Bay? Etc. Swansea = New Orleans?

 

5.       Sewage: all the sewage outfalls upstream of the Severn Barrage are gravity operated and depend on the tidal flushing to dispose of the sewage out to sea. Blocking the estuary will retain all this sewage behind the barrage. What are the plans and expense of rebuilding all the sewage outfalls and solving the problem of retained sewage? As the headpond becomes increasingly nutrient-rich and starts to smell of sewage, what are the proposed solutions?

 

6.       Build Time

a.       Severn Barrage: about 15 years (source: STPG)

b.      Tidal lagoons: about 2 years

 

Murray, I won’t go into detail here, as I will assume John and Roger can fill you in. I have provided copious detail to them over the years.

 

You will also know that the SDC is about to issue its report on tidal power. Having hired ex-Severn Barrage engineers as its experts, it seems likely that the SDC report will recommend further study of the barrage and give you plenty of work explaining this to the public. It is a pity that the Commissioners will be saddled with responsibility for this outcome as they are highly-respected professionals whose reputations are unlikely to be enhanced by association with a notorious white elephant and the rejection of a “low-hanging fruit” alternative: tidal lagoons.

 

Peter Ullman

Tidal Electric

Peter W. Ullman, Chairman

PO Box 3

West Simsbury, Connecticut 06092

 

50 Albemarle Street

London W1S 4BD

United Kingdom

 

http://tidalelectric.com

 

 

 

From: tidal_power_uk@... [mailto:tidal_power_uk@...] On Behalf Of Murray Stewart
Sent: Tuesday, August 28, 2007 11:52 AM
To: 'Peter W. Ullman'; 'Knight, Oliver (SDC)'
Cc: tidal_power_uk@...; 'Tim Lang'; peter@...; 'Roger Hull'; 'John Redman'; 'Nick Wood-Dow'; 'Jennifer Webber'
Subject: RE: [tidal_power_uk] Canadian Tidal Power

 

Dear Oliver,

 

I attach an email on behalf of the Severn Tidal Power Group in response to Peter Ullman's comment's on Canadian Tidal Power.

 

Best regards

 

Murray

 

Barrage versus Lagoon: Direct comparison is necessary

 

We understand that representations have been made that a barrage would not be an appropriate way to generate large amounts of power in the Severn, and tidal lagoons would be more effective.  In the interests of balance we thought it might be helpful to provide the following.

 

The particular advantages of a barrage for the generation of renewable energy in the Severn Estuary are:

1.      The amount of energy produced
The electricity generated by turbines is determined by the amount of water and the height through which it falls when passing through the generating turbines.  So to capture the same amount of energy as a barrage, a tidal lagoon would have to cover the same area as the height is set by the tidal range in the Severn Estuary.

Such a lagoon, or series of lagoons would be very large indeed, and would be liable to obstruct shipping unless expensive measures are taken.


2.      The cost of construction
A barrage makes use of the existing coastline for perhaps 90% of the perimeter of the basin in which the high tides are trapped.  A tidal lagoon has to fund the entire perimeter, so must be more expensive to build.  A big tidal lagoon would have to go into the deep water, so assumptions about low cost construction in shallow water would not apply.


3.      Flood prevention and mitigation
A barrage can prevent any flooding from sea level rises or storm water surges (as occurred during hurricane Katrina in New Orleans) for the entire upstream coastline.  For a Cardiff to Weston-super-Mare barrage this is 170 miles of coastline protected. 

In addition, flooding in the lower River Severn can be reduced:  at high tides the sea level overtops the weir near Gloucester which stops the river flowing freely.  By shutting the barrage sluices just before high tide when the river is in spate the extent of river flooding can be reduced.


The best way to assess the merits of alternative ways of harnessing the power of the tides in the Severn Estuary is to carry out an Appraisal of all the alternatives on a common basis, with an independent steering committee to ensure objectivity.

 

Roger Hull

Severn Tidal Power Group

August 2007

 

 

Murray Stewart
Senior Counsellor
Chelgate Limited
One Tanner Street
London
SE1 3LE
Tel: 020 7939 7949
Fax: 020 7939 7938
Mobile: 07805 108458
Email: mst@...
Registered in England,
registered number - 226305

http://www.chelgate.com

 

-----Original Message-----
From: tidal_power_uk@... [mailto:tidal_power_uk@...] On Behalf Of Peter W. Ullman
Sent: 21 August 2007 16:58
To: 'Knight, Oliver (SDC)'
Cc: tidal_power_uk@...; Tim Lang; peter@...
Subject: [tidal_power_uk] Canadian Tidal Power

Hi Oliver,

Canada’s Bay of Fundy has the world’s highest tidal range and is the site of a demo project installed in 1984, a 16 mw straflo turbine.

The Canadian government and the Nova Scotia and New Brunswick provincial governments are working through how they will deal with permitting and supporting the various tidal technologies being proposed for the Bay of Fundy. They are holding a series of public meetings in Nova Scotia. Last week I attended one in Wolfville, Nova Scotia.

Nova Scotia is conducting a Strategic Environmental Assessment. First, they commissioned EPRI (Electrical Power Research Institute, based in Palo Alto, California) to study the resource for in-stream tidal (Canadian term for “tidal stream”). Result: about 2200mw of which about 300 mw appeared to be practically achievable. The tidal lagoon resource is about 5000 MW exclusive of pumping.

Given that in-stream tidal has numerous devices in the experimental stage, they have bifurcated the permitting process into “Test Sites” (in-stream) and “Commercial Sites” (tidal lagoons). There are appropriate differences between the test-technologies (includes proving the technology, track record, etc.) and tidal lagoons (commercial technology: no need for technical learning curve) and the process for permitting they must undergo.

Barrages are not being considered at all. Canada did extensive studies done in the 1970’s including consideration of 63 different barrage configurations and the use of barrages was subsequently dropped from consideration. Following is their (the Strategic Environmental Assessment team) statement:

“In the past, tidal energy technology involved installing turbines in barrages across estuaries or bays. The Nova Scotia Power Annapolis Royale Tidal Power Generating Station, commissioned in 1984 is an example of this approach. However, this technology is now considered unsuitable for broad-scale commercial use because of environmental and economic concerns.” [They go on to describe the technologies under consideration, in-stream and …] ”Another tidal technology is the tidal lagoon, which creates an offshore enclosure, but unlike a conventional barrage does not totally block tidal flow.” (OEER, Fundy Tidal Energy, 2007)

This leaves the SDC (i.e. the UK) as the only entity worldwide giving serious consideration to a barrage. Even EDF who own the world’s largest barrage have no interest in building another barrage. They recently invested in tidal stream.

I trust your Commissioners are aware of this fact and will weigh it when making their recommendations. There are a number of very highly-respected Commissioners whose reputations will be impacted by this report and it would be a shame to ask them to sign off on a report without them being fully informed by you, if you ask them to recommend spending yet more public money on the Severn Barrage and continue to delay the commercial installation of privately-funded tidal lagoons whose aggregated output would dwarf the output of the Severn Barrage and cost the public nothing.

Best wishes,

Peter Ullman

From: tidal_power_uk@... [mailto:tidal_power_uk@...] On Behalf Of Knight, Oliver (SDC)
Sent: Tuesday, August 21, 2007 7:30 AM
To: tidal_power_uk@...
Subject: [tidal_power_uk] FW: Towards a Coherent Network of Marine Protected Areas, 2-4 October Scarborough

This conference may be of interest to people on this group.

Oliver Knight


From: Bob Earll [mailto:bob.earll@...]
Sent: 21 August 2007 12:18
Subject: Towards a Coherent Network of Marine Protected Areas, 2-4 October Scarborough

Towards a Coherent Network of Marine Protected Areas

Conference  - BOOK NOW

2nd- 4th  October 2007, Scarborough

Natural England

Dear colleagues

There are clear international goals for the UK to establish a national network of Marine Protected Areas and this is being supported by work on the Marine Bill and the concept of Marine Conservation Zones. This conference will highlight a wide range of thinking and work going towards this including the need to effectively engage stakeholders.

The Marine Protected Areas Conference aims is to bring together those involved in management, designation,  science and policy development of MPAs. Delegates will be able to share information and learn about the latest MPA science, good practice and policies from speakers from the UK and overseas as we look towards achieving our MPA targets.

Would you:

  • Please circulate this to colleagues that you think will be interested in this conference

The programme including the booking form is attached.

TO BOOK

You can book and pay online with a credit card at www.coastms.co.uk or pay by credit card over the phone, BACs, cheque etc; we issue invoices and receipts. Please email or fax the booking form to bob.earll@... or 01531 890415

Organised by CMS – Coastal Management for Sustainability

Please circulate this email to colleagues who may be interested

Sent by CMS Email Advertising Service - Contact www.coastms.co.uk

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#56 From: "Murray Stewart" <mst@...>
Date: Tue Aug 28, 2007 3:52 pm
Subject: RE: Canadian Tidal Power
mst@...
Send Email Send Email
 
Dear Oliver,
 
I attach an email on behalf of the Severn Tidal Power Group in response to Peter Ullman's comment's on Canadian Tidal Power.
 
Best regards
 
Murray
 

Barrage versus Lagoon: Direct comparison is necessary

 

We understand that representations have been made that a barrage would not be an appropriate way to generate large amounts of power in the Severn, and tidal lagoons would be more effective.  In the interests of balance we thought it might be helpful to provide the following.

 

The particular advantages of a barrage for the generation of renewable energy in the Severn Estuary are:

1.      The amount of energy produced
The electricity generated by turbines is determined by the amount of water and the height through which it falls when passing through the generating turbines.  So to capture the same amount of energy as a barrage, a tidal lagoon would have to cover the same area as the height is set by the tidal range in the Severn Estuary.

Such a lagoon, or series of lagoons would be very large indeed, and would be liable to obstruct shipping unless expensive measures are taken.

2.      The cost of construction
A barrage makes use of the existing coastline for perhaps 90% of the perimeter of the basin in which the high tides are trapped.  A tidal lagoon has to fund the entire perimeter, so must be more expensive to build.  A big tidal lagoon would have to go into the deep water, so assumptions about low cost construction in shallow water would not apply.

3.      Flood prevention and mitigation
A barrage can prevent any flooding from sea level rises or storm water surges (as occurred during hurricane Katrina in New Orleans) for the entire upstream coastline.  For a Cardiff to Weston-super-Mare barrage this is 170 miles of coastline protected. 

In addition, flooding in the lower River Severn can be reduced:  at high tides the sea level overtops the weir near Gloucester which stops the river flowing freely.  By shutting the barrage sluices just before high tide when the river is in spate the extent of river flooding can be reduced.

The best way to assess the merits of alternative ways of harnessing the power of the tides in the Severn Estuary is to carry out an Appraisal of all the alternatives on a common basis, with an independent steering committee to ensure objectivity.

 

Roger Hull

Severn Tidal Power Group

August 2007

 
 
Murray Stewart
Senior Counsellor
Chelgate Limited
One Tanner Street
London
SE1 3LE
Tel: 020 7939 7949
Fax: 020 7939 7938
Mobile: 07805 108458
Email: mst@...
Registered in England,
registered number - 226305

http://www.chelgate.com

 
-----Original Message-----
From: tidal_power_uk@... [mailto:tidal_power_uk@...] On Behalf Of Peter W. Ullman
Sent: 21 August 2007 16:58
To: 'Knight, Oliver (SDC)'
Cc: tidal_power_uk@...; Tim Lang; peter@...
Subject: [tidal_power_uk] Canadian Tidal Power

Hi Oliver,

Canada’s Bay of Fundy has the world’s highest tidal range and is the site of a demo project installed in 1984, a 16 mw straflo turbine.

The Canadian government and the Nova Scotia and New Brunswick provincial governments are working through how they will deal with permitting and supporting the various tidal technologies being proposed for the Bay of Fundy. They are holding a series of public meetings in Nova Scotia. Last week I attended one in Wolfville, Nova Scotia.

Nova Scotia is conducting a Strategic Environmental Assessment. First, they commissioned EPRI (Electrical Power Research Institute, based in Palo Alto, California) to study the resource for in-stream tidal (Canadian term for “tidal stream”). Result: about 2200mw of which about 300 mw appeared to be practically achievable. The tidal lagoon resource is about 5000 MW exclusive of pumping.

Given that in-stream tidal has numerous devices in the experimental stage, they have bifurcated the permitting process into “Test Sites” (in-stream) and “Commercial Sites” (tidal lagoons). There are appropriate differences between the test-technologies (includes proving the technology, track record, etc.) and tidal lagoons (commercial technology: no need for technical learning curve) and the process for permitting they must undergo.

Barrages are not being considered at all. Canada did extensive studies done in the 1970’s including consideration of 63 different barrage configurations and the use of barrages was subsequently dropped from consideration. Following is their (the Strategic Environmental Assessment team) statement:

“In the past, tidal energy technology involved installing turbines in barrages across estuaries or bays. The Nova Scotia Power Annapolis Royale Tidal Power Generating Station, commissioned in 1984 is an example of this approach. However, this technology is now considered unsuitable for broad-scale commercial use because of environmental and economic concerns.” [They go on to describe the technologies under consideration, in-stream and …] ”Another tidal technology is the tidal lagoon, which creates an offshore enclosure, but unlike a conventional barrage does not totally block tidal flow.” (OEER, Fundy Tidal Energy, 2007)

This leaves the SDC (i.e. the UK) as the only entity worldwide giving serious consideration to a barrage. Even EDF who own the world’s largest barrage have no interest in building another barrage. They recently invested in tidal stream.

I trust your Commissioners are aware of this fact and will weigh it when making their recommendations. There are a number of very highly-respected Commissioners whose reputations will be impacted by this report and it would be a shame to ask them to sign off on a report without them being fully informed by you, if you ask them to recommend spending yet more public money on the Severn Barrage and continue to delay the commercial installation of privately-funded tidal lagoons whose aggregated output would dwarf the output of the Severn Barrage and cost the public nothing.

Best wishes,

Peter Ullman

From: tidal_power_uk@yahoogroups.co.uk [mailto:tidal_power_uk@yahoogroups.co.uk] On Behalf Of Knight, Oliver (SDC)
Sent: Tuesday, August 21, 2007 7:30 AM
To: tidal_power_uk@yahoogroups.co.uk
Subject: [tidal_power_uk] FW: Towards a Coherent Network of Marine Protected Areas, 2-4 October Scarborough

This conference may be of interest to people on this group.

Oliver Knight


From: Bob Earll [mailto:bob.earll@coastms.co.uk]
Sent: 21 August 2007 12:18
Subject: Towards a Coherent Network of Marine Protected Areas, 2-4 October Scarborough

Towards a Coherent Network of Marine Protected Areas

Conference  - BOOK NOW

2nd- 4th  October 2007, Scarborough

Natural England

Dear colleagues

There are clear international goals for the UK to establish a national network of Marine Protected Areas and this is being supported by work on the Marine Bill and the concept of Marine Conservation Zones. This conference will highlight a wide range of thinking and work going towards this including the need to effectively engage stakeholders.

The Marine Protected Areas Conference aims is to bring together those involved in management, designation,  science and policy development of MPAs. Delegates will be able to share information and learn about the latest MPA science, good practice and policies from speakers from the UK and overseas as we look towards achieving our MPA targets.

Would you:

  • Please circulate this to colleagues that you think will be interested in this conference

The programme including the booking form is attached.

TO BOOK

You can book and pay online with a credit card at www.coastms.co.uk or pay by credit card over the phone, BACs, cheque etc; we issue invoices and receipts. Please email or fax the booking form to bob.earll@coastms.co.uk or 01531 890415

Organised by CMS – Coastal Management for Sustainability

Please circulate this email to colleagues who may be interested

Sent by CMS Email Advertising Service - Contact www.coastms.co.uk

If you wish to unsubscribe from this mailing list or would like to update your details and requirements please Click Here.



If this email is spam, report it here:
http://www.OnlyMyEmail.com/ReportSpam

#55 From: "Knight, Oliver (SDC)" <oliver.knight@...>
Date: Tue Aug 28, 2007 2:07 pm
Subject: The SDC has a new home!
oliver_knigh...
Offline Offline
Send Email Send Email
 
#54 From: "Peter W. Ullman" <ullman@...>
Date: Tue Aug 21, 2007 3:57 pm
Subject: Canadian Tidal Power
tidalelectric
Offline Offline
Send Email Send Email
 

Hi Oliver,

 

Canada’s Bay of Fundy has the world’s highest tidal range and is the site of a demo project installed in 1984, a 16 mw straflo turbine.

The Canadian government and the Nova Scotia and New Brunswick provincial governments are working through how they will deal with permitting and supporting the various tidal technologies being proposed for the Bay of Fundy. They are holding a series of public meetings in Nova Scotia. Last week I attended one in Wolfville, Nova Scotia.

 

Nova Scotia is conducting a Strategic Environmental Assessment. First, they commissioned EPRI (Electrical Power Research Institute, based in Palo Alto, California) to study the resource for in-stream tidal (Canadian term for “tidal stream”). Result: about 2200mw of which about 300 mw appeared to be practically achievable. The tidal lagoon resource is about 5000 MW exclusive of pumping.

 

Given that in-stream tidal has numerous devices in the experimental stage, they have bifurcated the permitting process into “Test Sites” (in-stream) and “Commercial Sites” (tidal lagoons). There are appropriate differences between the test-technologies (includes proving the technology, track record, etc.) and tidal lagoons (commercial technology: no need for technical learning curve) and the process for permitting they must undergo.

 

Barrages are not being considered at all. Canada did extensive studies done in the 1970’s including consideration of 63 different barrage configurations and the use of barrages was subsequently dropped from consideration. Following is their (the Strategic Environmental Assessment team) statement:

 

“In the past, tidal energy technology involved installing turbines in barrages across estuaries or bays. The Nova Scotia Power Annapolis Royale Tidal Power Generating Station, commissioned in 1984 is an example of this approach. However, this technology is now considered unsuitable for broad-scale commercial use because of environmental and economic concerns.” [They go on to describe the technologies under consideration, in-stream and …] ”Another tidal technology is the tidal lagoon, which creates an offshore enclosure, but unlike a conventional barrage does not totally block tidal flow.” (OEER, Fundy Tidal Energy, 2007)

 

This leaves the SDC (i.e. the UK) as the only entity worldwide giving serious consideration to a barrage. Even EDF who own the world’s largest barrage have no interest in building another barrage. They recently invested in tidal stream.

 

I trust your Commissioners are aware of this fact and will weigh it when making their recommendations. There are a number of very highly-respected Commissioners whose reputations will be impacted by this report and it would be a shame to ask them to sign off on a report without them being fully informed by you, if you ask them to recommend spending yet more public money on the Severn Barrage and continue to delay the commercial installation of privately-funded tidal lagoons whose aggregated output would dwarf the output of the Severn Barrage and cost the public nothing.

 

Best wishes,

 

Peter Ullman

 

From: tidal_power_uk@... [mailto:tidal_power_uk@...] On Behalf Of Knight, Oliver (SDC)
Sent: Tuesday, August 21, 2007 7:30 AM
To: tidal_power_uk@...
Subject: [tidal_power_uk] FW: Towards a Coherent Network of Marine Protected Areas, 2-4 October Scarborough

 

This conference may be of interest to people on this group.

 

Oliver Knight

 


From: Bob Earll [mailto:bob.earll@...]
Sent: 21 August 2007 12:18
Subject: Towards a Coherent Network of Marine Protected Areas, 2-4 October Scarborough

 

Towards a Coherent Network of Marine Protected Areas

Conference  - BOOK NOW

 

2nd- 4th  October 2007, Scarborough

 

Natural England

 

Dear colleagues

 

There are clear international goals for the UK to establish a national network of Marine Protected Areas and this is being supported by work on the Marine Bill and the concept of Marine Conservation Zones. This conference will highlight a wide range of thinking and work going towards this including the need to effectively engage stakeholders.

 

The Marine Protected Areas Conference aims is to bring together those involved in management, designation,  science and policy development of MPAs. Delegates will be able to share information and learn about the latest MPA science, good practice and policies from speakers from the UK and overseas as we look towards achieving our MPA targets.

 

Would you:

 

  • Please circulate this to colleagues that you think will be interested in this conference

The programme including the booking form is attached.

 

TO BOOK

You can book and pay online with a credit card at www.coastms.co.uk or pay by credit card over the phone, BACs, cheque etc; we issue invoices and receipts. Please email or fax the booking form to bob.earll@... or 01531 890415

 

Organised by CMS – Coastal Management for Sustainability

 

Please circulate this email to colleagues who may be interested

 

Sent by CMS Email Advertising Service - Contact www.coastms.co.uk

 

If you wish to unsubscribe from this mailing list or would like to update your details and requirements please Click Here.


#53 From: "Knight, Oliver (SDC)" <oliver.knight@...>
Date: Tue Aug 21, 2007 11:29 am
Subject: FW: Towards a Coherent Network of Marine Protected Areas, 2-4 October Scarborough
oliver_knigh...
Offline Offline
Send Email Send Email
 
This conference may be of interest to people on this group.
 
Oliver Knight


From: Bob Earll [mailto:bob.earll@...]
Sent: 21 August 2007 12:18
Subject: Towards a Coherent Network of Marine Protected Areas, 2-4 October Scarborough

 

Towards a Coherent Network of Marine Protected Areas

Conference  - BOOK NOW

 

2nd- 4th  October 2007, Scarborough

 

Natural England

 

Dear colleagues

 

There are clear international goals for the UK to establish a national network of Marine Protected Areas and this is being supported by work on the Marine Bill and the concept of Marine Conservation Zones. This conference will highlight a wide range of thinking and work going towards this including the need to effectively engage stakeholders.

 

The Marine Protected Areas Conference aims is to bring together those involved in management, designation,  science and policy development of MPAs. Delegates will be able to share information and learn about the latest MPA science, good practice and policies from speakers from the UK and overseas as we look towards achieving our MPA targets.

 

Would you:

 

  • Please circulate this to colleagues that you think will be interested in this conference

The programme including the booking form is attached.

 

TO BOOK

You can book and pay online with a credit card at www.coastms.co.uk or pay by credit card over the phone, BACs, cheque etc; we issue invoices and receipts. Please email or fax the booking form to bob.earll@... or 01531 890415

 

Organised by CMS – Coastal Management for Sustainability

 
Please circulate this email to colleagues who may be interested
 
Sent by CMS Email Advertising Service - Contact www.coastms.co.uk
 
If you wish to unsubscribe from this mailing list or would like to update your details and requirements please Click Here.

#52 From: "Hill, Karla (SDC)" <karla.hill@...>
Date: Fri Aug 17, 2007 3:38 pm
Subject: SDC Tidal Power Project: Update
karla_hill
Offline Offline
Send Email Send Email
 
Dear members
 
We are in the final stages of the tidal power project and we're expecting to launch our report in the autumn.
A short project update is attached for your information.
This update is also available on the SDC's website: http://www.sd-commission.org.uk/pages/tidal.html.
 
Best wishes
 
Karla

sustainable development commission 
The independent government advisor on sustainable development

Karla Hill
Project Manager - Tidal Power Project Energy & Climate Change Team
Sustainable Development Commission (SDC)
Ground Floor, Ergon House, Horseferry Road
London SW1P 2AL (entry from corner with
Dean Bradley Street
)

( tel:  (020) 7238 4991
2  fax:  (020) 7238 4981
* email: karla.hill@...

www.sd-commission.org.uk

 

#51 From: "Hill, Karla (SDC)" <karla.hill@...>
Date: Tue Jun 19, 2007 4:22 pm
Subject: News: Mersey Renewables Study launched
karla_hill
Offline Offline
Send Email Send Email
 
Dear members
 
You may be interested in a new study by the Northwest Regional Development Agency and Peel Environmental Ltd into the potential of renewable energy from the Mersey.
 
The preliminary study explores the opportunities for renewable energy and embraces the environmental, shipping, and socio-economic aspects of any possible schemes report. The initial results were launched on 14 June at the Mersey Estuary Forum.
 
Further information is available at www.merseytidalpower.co.uk.
 
Related links:
Mersey Basin Campaign www.merseybasin.org.uk
 
 
 

Press release
Electric current: power from the Mersey could supply quarter of a million homes
 
Wednesday, 13 June 2007
A giant waterwheel stretching across the River Mersey could be used to generate renewable electricity for the Northwest, according to a new study that identifies the river as one of the top sites for tidal renewable energy in the UK. Experts say the Mersey estuary’s large tidal range of 8-10 metres and unusual shape combine to create powerful tidal currents that could be harnessed to produce power...
Read more...

 
 
 
 
sustainable development commission 
The independent government advisor on sustainable development

Karla Hill
Project Manager - Tidal Power Project Energy & Climate Change Team
Sustainable Development Commission (SDC)
Ground Floor, Ergon House, Horseferry Road
London SW1P 2AL (entry from corner with
Dean Bradley Street
)

( tel:  (020) 7238 4991
2  fax:  (020) 7238 4981
* email: karla.hill@...

www.sd-commission.org.uk

 


#50 From: "nj_eales" <nick@...>
Date: Sun May 27, 2007 9:18 pm
Subject: FOE advise against Severn Barage
nj_eales
Offline Offline
Send Email Send Email
 
Energy review should reject large severn barrage

FOE Cymru advocates smaller 'shoots' barage with tidal lagoons would
generate as much power as Cardiff-Western Barage without impeding
navigation and less environment damage.

see link
http://www.foe.co.uk/cymru/english/press_releases/2007/severnbarrage.htm
l

#49 From: "peter waugh" <peter.waugh@...>
Date: Wed May 23, 2007 11:24 pm
Subject: Re: Tidal Power in East Anglia and Western Scotland
peter.waugh@...
Send Email Send Email
 
Dear Tidal Group
 
Is there a case for a public exhibition on tidal power spanning general interest public through to technical seminars ? The Future Build exhibition at Earls Court earlier this year was v impressive for the range of exhibitors, progress and take-up. There are a lot of stake-holders to inform and inspire.
 
Peter  Waugh  
 
----- Original Message -----
From: ferrand
Sent: Tuesday, May 22, 2007 7:14 PM
Subject: [tidal_power_uk] Tidal Power in East Anglia and Western Scotland

See Duke of Buccleuch's comments on Tidal Power in the Daily Telegraph yesterday I have sent him this
http://www.earthtoys.com/emagazine.php?issue_number=07.04.01&article=tides

It might be worth while contacting all coastal Local Authorities in E.Yorks, Lincolnshire, Norfolk, Suffolk & Essex to see if any are interested in a combination of shoreline tidal power and costal erosion protection as outlined in the above article
regards
Ferrand

The email group we set up titled 'Tidal Power in the UK' now has 150
members, and yet there is a very low volume of traffic. Although for
some this may be a blessing, the aim in setting up this group was to
encourage the dissemination of news and information on tidal power, so
please feel free to post a message if it would be relevant to others
(use the email address tidal_power_uk@yahoogroups.co.uk). Please refrain
from posting discussion items, old news items, or promotional material.

Many thanks,

Oliver


#48 From: ferrand <ferrand@...>
Date: Tue May 22, 2007 6:14 pm
Subject: Tidal Power in East Anglia and Western Scotland
ferrandstobart
Offline Offline
Send Email Send Email
 
See Duke of Buccleuch's comments on Tidal Power in the Daily Telegraph yesterday I have sent him this
http://www.earthtoys.com/emagazine.php?issue_number=07.04.01&article=tides

It might be worth while contacting all coastal Local Authorities in E.Yorks, Lincolnshire, Norfolk, Suffolk & Essex to see if any are interested in a combination of shoreline tidal power and costal erosion protection as outlined in the above article
regards
Ferrand

The email group we set up titled 'Tidal Power in the UK' now has 150
members, and yet there is a very low volume of traffic. Although for
some this may be a blessing, the aim in setting up this group was to
encourage the dissemination of news and information on tidal power, so
please feel free to post a message if it would be relevant to others
(use the email address tidal_power_uk@yahoogroups.co.uk). Please refrain
from posting discussion items, old news items, or promotional material.

Many thanks,

Oliver

#47 From: "Knight, Oliver (SDC)" <oliver.knight@...>
Date: Mon May 21, 2007 9:15 am
Subject: Use of the tidal power email group
oliver_knigh...
Offline Offline
Send Email Send Email
 
Dear all
 
The email group we set up titled 'Tidal Power in the UK' now has 150 members, and yet there is a very low volume of traffic. Although for some this may be a blessing, the aim in setting up this group was to encourage the dissemination of news and information on tidal power, so please feel free to post a message if it would be relevant to others (use the email address tidal_power_uk@...). Please refrain from posting discussion items, old news items, or promotional material.
 
Many thanks,
 
Oliver

sustainable development commission 
The independent government advisor on sustainable development

Oliver Knight
Energy Policy Analyst

Sustainable Development Commission (SDC)
Ground Floor, Ergon House, Horseferry Road
London SW1P 2AL (entry from corner with
Dean Bradley Street
)

( tel:  (020) 7238 4996
2  fax:  (020) 7238 4981
* email: oliver.knight@...

www.sd-commission.org.uk

 

#46 From: "Knight, Oliver (SDC)" <oliver.knight@...>
Date: Mon May 21, 2007 9:03 am
Subject: Tidal power coverage in the Independent on Sunday
oliver_knigh...
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A blast of coverage on tidal power in the Independent on Sunday, leading with this front page article - http://news.independent.co.uk/environment/article2562753.ece. Other articles can be found on the same website by using the search function.
 
Please note the SDC was not involved in these articles.
 
Oliver
 

sustainable development commission 
The independent government advisor on sustainable development

Oliver Knight
Energy Policy Analyst

Sustainable Development Commission (SDC)
Ground Floor, Ergon House, Horseferry Road
London SW1P 2AL (entry from corner with
Dean Bradley Street
)

( tel:  (020) 7238 4996
2  fax:  (020) 7238 4981
* email: oliver.knight@...

www.sd-commission.org.uk

 

#45 From: "Knight, Oliver (SDC)" <oliver.knight@...>
Date: Mon May 14, 2007 11:26 am
Subject: Tidal developments in South Korea
oliver_knigh...
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There seem to be two separate developments here - a 260MW traditional tidal barrage, and a 812MW barrage that will utilise the tidal stream resource.
 
 
 
 
 

sustainable development commission 
The independent government advisor on sustainable development

Oliver Knight
Energy Policy Analyst

Sustainable Development Commission (SDC)
Ground Floor, Ergon House, Horseferry Road
London SW1P 2AL (entry from corner with
Dean Bradley Street
)

( tel:  (020) 7238 4996
2  fax:  (020) 7238 4981
* email: oliver.knight@...

www.sd-commission.org.uk

 

#44 From: "sean_clemie" <sean_clemie@...>
Date: Sun May 13, 2007 8:52 am
Subject: intergation of tidal current farm
sean_clemie
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I am looking for a typical graph of power output from tidal current
turbine against time(preferably in days)

Thanks

Sean
src1@...

#43 From: "Tim Cox" <tim.cox@...>
Date: Fri Apr 27, 2007 7:54 pm
Subject: Electricity generation in the Bristol Channel
tim.cox@...
Send Email Send Email
 

I note there has been recent debate on the Severn Barrage. I am seeking your support for my project to 'green' Ilfracombe by having 500MW of tidal current turbines installed in the Bristol Channel off Ilfracombe. These will use the same tidal resource as the barrage without the adverse environmental impacts at less cost, and with far quicker realisation. 

 Action on Climate Change is needed NOW.

As I am sure you know the Bristol Channel has one of the greatest tidal range in the world, 10m at springs, and the shape of the channel directs the fastest tidal current close inshore to the North Devon coast off Ilfracombe. From Bull Point to Foreland Point there is rock bottom in suitable depth, the Devon Wildlife Trust voluntary marine conservation area are keen to see sea-floor turbines installed to develop habitat, Ilfracombe has a significant local electricity load and grid connections, unlike Lynmouth further up the coast.

Marine Current Turbines Ltd have been successfully testing their first 300kW prototype monopile single rotor turbine off Lynmouth, not grid connected,  for 2 years and may install a small array of twin rotor Seagen turbines in the same area once testing is completed at Strangford loch.

Seabed designs are preferred for off Ilfracombe, less impact on shipping, and for some time I have been in contact with Simon Meade of Lunar Energy Ltd (backed by Bosch Group) to install an array of up to 500MW of Rotech Tidal Turbines, see www.lunarenergy.co.uk .The marine cable to come ashore at Larkstone Cove, support services based in Ilfracombe harbour.

 

A seafloor tidal turbine system has the support of all, will not suffer the objections that onshore large wind turbines do and has positive environmental and shipping impacts compared to barrages.

Installation and support of a large number of turbines off Ilfracombe will create jobs in Ilfracombe and could use marine fabrication contracts at DMSL Appledore, more for Rotech than for Open-centre.

Ilfracombe has the only safe harbour on the North Devon and N Cornwall coast, the only landfall in ND that isn't AONB, National Trust or Exmoor National Park, which is causing problems shore-side for MCT at Lynmouth. Harbour Master and harbour association happy with marine cable to come ashore at Larkstone, delighted at prospect of survey/support ships being based here, switch gear/control room located at rear of SWW foul water treatment plant above Larkstone cove and using their 11kv connection to local sub station, this local grid will need up rating if/when the full array of 500MW is installed.

Rotech Turbines are having design/development delays and have not yet got to full scale EMEC testing, so are quite a long time before commercial deployment.

 

>OpenHydro Group completed the installation of the first tidal turbine at
the European Marine Energy Centre in Orkney. This project was supported by
Sustainable Energy Ireland
www.openhydro.com/news/140107.html

>OpenHydro Group has been selected to provide Canadian utility Nova Scotia
Power with its innovative tidal turbine technology. OpenHydro's technology
will be used to establish a tidal energy demonstration project in the Bay of
Fundy, which when completed, will be the largest in-stream tidal generating
unit integrated into an electricity grid in the world
www.openhydro.com/news/150107.html

Open-centre turbine technology is more advanced, developed in USA over last 10 years and is on test at EMEC.  OpenHydro has just done a deal with Nova Scotia Power for a demonstration array in Canada.

I appreciate that OpenHydro will be heavily committed to Bay of Fundy demonstration site but I would like to form a partnership with Ilfracombe and District Community Alliance CIC (the local regeneration organisation), SW Regional Development Agency and RegenSW, and OpenHydro to install significant numbers of open-centre turbines off Ilfracombe.

For further info see SWRDA "Seapower South West Report", this led to development of the wave hub off N Cornwall, and identified tidal currents as a major renewable electricity source, our Regional Spatial Strategy policy RE2 has offshore energy production targets of 56MW by 2010, 400MW by 2020.

 

Tim Cox
Renewable Energy Advisor RE4D
Trans-Send Ltd.
139 High Street
ILFRACOMBE, Devon
EX34 9EZ
Tel 01271 862781
tim.cox@...

#42 From: "Hill, Karla \(SDC\)" <karla.hill@...>
Date: Fri Apr 27, 2007 3:55 pm
Subject: RE: Why is SDC ignoring tidal lagoons? OFGEM didn't. Green Party didn't. FOE didn't.
karla_hill
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For clarification, the SDC had a roundtable discussion yesterday with a small group of tidal stream device and project developers from among members of the British Wind Energy Association (BWEA), Scottish Renewables Forum (SRF) and the Renewable Energy Association (REA) at a meeting hosted by the BWEAA separate discussion for lagoon or barrage developers is not planned because the main proponents of these technologies were invited to participate in the one-day tidal power stakeholder workshops in Cardiff and Aberdeen (see transcript and invitation lists on SDC website for details). There are currently a relatively large number of companies and other organisations involved in tidal stream technology development, and not all were able to be invited to the workshops. The BWEA, REA and SRF participated and provided representation at those events. In relation to both barrages and lagoons, there a fewer developers and as they are not generally covered by renewable energy membership organisations such as BWEA, REA and SRF they received direct invitations to participate in the workshops.
 

sustainable development commission 
The independent government advisor on sustainable development

Karla Hill
Project Manager - Tidal Power Project
Sustainable Development Commission (SDC)
Ground Floor, Ergon House, Horseferry Road
London SW1P 2AL (entry from corner with
Dean Bradley Street
)

( tel:  (020) 7238 4991
2  fax:  (020) 7238 4981
* email: karla.hill@...

www.sd-commission.org.uk



From: Peter W. Ullman [mailto:ullman@...]
Sent: 27 April 2007 16:00
To: Hill, Karla (SDC); tidal_power_uk@...
Cc: neil@...; Tim Lang; peter@...; 'James Greyson'
Subject: Why is SDC ignoring tidal lagoons? OFGEM didn't. Green Party didn't. FOE didn't.

Hi Karla,

 

Thanks for the update. I note you held a round-table discussion with the tidal stream folks. Are you planning a similar roundtable discussion with the tidal lagoon supporters?

 

Now you have given several workshops showcasing the Severn Barrage and a roundtable to discuss tidal stream. Surely you wouldn’t want to neglect tidal lagoons, the most economically promising environmentally-benign tidal technology on the horizon. Or would you?

 

Please let me know when you would like to meet.

 

Thanks,

 

Peter

 

Tidal Electric

 

Peter W. Ullman, Chairman

50 Albemarle Street

London W1S 4BD

0207 692 7557

 

PO Box 3

West Simsbury, Connecticut 06092

USA

860-408-1400

 

 

 

From: tidal_power_uk@... [mailto:tidal_power_uk@...] On Behalf Of Hill, Karla (SDC)
Sent: Friday, April 27, 2007 9:37 AM
To: tidal_power_uk@...
Subject: [tidal_power_uk] SDC Tidal Project - April update

 

Dear members

 

Here's an update on the SDC's tidal power study for your information. The attached information is also available on the SDC tidal pages: http://www.sd-commission.org.uk/pages/tidal.html.

 

Best wishes

 

sustainable development commission 
The independent government advisor on sustainable development

Karla Hill
Project Manager - Tidal Power Project

Sustainable Development Commission (SDC)
Ground Floor, Ergon House, Horseferry Road
London SW1P 2AL 
(entry from corner with
Dean Bradley Street
)

( tel:  (020) 7238 4991
2  fax:  (020) 7238 4981
* email: karla.hill@...

www.sd-commission.org.uk

 


#41 From: "Peter W. Ullman" <ullman@...>
Date: Fri Apr 27, 2007 3:00 pm
Subject: Why is SDC ignoring tidal lagoons? OFGEM didn't. Green Party didn't. FOE didn't.
tidalelectric
Offline Offline
Send Email Send Email
 

Hi Karla,

 

Thanks for the update. I note you held a round-table discussion with the tidal stream folks. Are you planning a similar roundtable discussion with the tidal lagoon supporters?

 

Now you have given several workshops showcasing the Severn Barrage and a roundtable to discuss tidal stream. Surely you wouldn’t want to neglect tidal lagoons, the most economically promising environmentally-benign tidal technology on the horizon. Or would you?

 

Please let me know when you would like to meet.

 

Thanks,

 

Peter

 

Tidal Electric

 

Peter W. Ullman, Chairman

50 Albemarle Street

London W1S 4BD

0207 692 7557

 

PO Box 3

West Simsbury, Connecticut 06092

USA

860-408-1400

 

 

 

From: tidal_power_uk@... [mailto:tidal_power_uk@...] On Behalf Of Hill, Karla (SDC)
Sent: Friday, April 27, 2007 9:37 AM
To: tidal_power_uk@...
Subject: [tidal_power_uk] SDC Tidal Project - April update

 

Dear members

 

Here's an update on the SDC's tidal power study for your information. The attached information is also available on the SDC tidal pages: http://www.sd-commission.org.uk/pages/tidal.html.

 

Best wishes

 

sustainable development commission 
The independent government advisor on sustainable development

Karla Hill
Project Manager - Tidal Power Project

Sustainable Development Commission (SDC)
Ground Floor, Ergon House, Horseferry Road
London SW1P 2AL 
(entry from corner with
Dean Bradley Street
)

( tel:  (020) 7238 4991
2  fax:  (020) 7238 4981
* email: karla.hill@...

www.sd-commission.org.uk

 


#40 From: "Hill, Karla \(SDC\)" <karla.hill@...>
Date: Fri Apr 27, 2007 1:36 pm
Subject: SDC Tidal Project - April update
karla_hill
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Dear members
 
Here's an update on the SDC's tidal power study for your information. The attached information is also available on the SDC tidal pages: http://www.sd-commission.org.uk/pages/tidal.html.
 
Best wishes
 
sustainable development commission 
The independent government advisor on sustainable development

Karla Hill
Project Manager - Tidal Power Project
Sustainable Development Commission (SDC)
Ground Floor, Ergon House, Horseferry Road
London SW1P 2AL (entry from corner with
Dean Bradley Street
)

( tel:  (020) 7238 4991
2  fax:  (020) 7238 4981
* email: karla.hill@...

www.sd-commission.org.uk

 

#32 From: "Knight, Oliver \(SDC\)" <oliver.knight@...>
Date: Wed Apr 18, 2007 3:15 pm
Subject: FW: Are you considering applying for the DTI’s Spring 2007 Low Carbon Energy Technologies Competition?
oliver_knigh...
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-----Original Message-----
From: nre-enquiries [mailto:nre-enquiries@...]
Sent: 18 April 2007 16:04
To: nre-enquiries
Subject: Are you considering applying for the DTI’s Spring 2007 Low Carbon Energy Technologies Competition?

Are you considering applying for the DTI’s Spring 2007 Low Carbon Energy Technologies Competition?

 

Increase your chances of success by registering for this free, one-day event:

 

Low Carbon Energy Technologies Seminar – 10 May 2007

 

This free, one-day seminar to be held in London is designed to familiarise participants with the application process and requirements for the DTI’s Spring Low Carbon Energy Technologies Competition.  It will also maximise their chances of success in bidding through sharing experiences of winning strategies. The morning session will introduce the Competition, review its priorities as well as the nuts and bolts of the application process.  In the afternoon, a series of seminars will be held for each of the following low carbon energy technologies:

 

  • Bioenergy
  • Carbon Abatement Technologies
  • Fuel cells and hydrogen
  • Photovoltaics (including field trials)
  • Tidal and wave
  • Intelligent grid management and energy storage
  • Wind

In each seminar, a case study of a project which has previously been successful in securing funding through the Competition will be presented, following which the project leaders, DTI representatives, Independent Competition Assessors and Programme Managers for the Competition will be available for a question and answer session.  This event provides an invaluable opportunity to network with potential project partners.  Please register your interest by contacting eventsteam@... (spaces are limited).

 

Key Dates and Contacts for Further Information

 

Key Dates

Competition opens: 24 April 2007.

Competition launch event in London: 25 April 2007.

Low Carbon Energy Technologies Seminar in London: 10 May 2007.

Deadline for registering your intention to submit an application: 11 June 2007.

Deadline for all academic finances through the Je-S systems: 14 June 2007.

Deadline for all outline applications: 18 June 2007.

 

Contacts for Further Information

If you have any queries about the low carbon energy technologies competition please contact Jonathan Gibbard at AEA Energy & Environment (Programme Manager for the Low Carbon Energy Technologies Competition) on 0870 190 2926 or email jonathan.gibbard@....

 

If you have any queries about the technical scope of the competition or the application process, please contact the Technology Programme Helpline on 01355 272155 or email info@....

 

For details on how to register and apply go to:

 

www.dti.gov.uk/innovation/technologystrategy/competitions-for-funding/page37788.html

http://www.dti.gov.uk/innovation/technologystrategy/index.html.

 


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#31 From: "Knight, Oliver \(SDC\)" <oliver.knight@...>
Date: Mon Apr 16, 2007 12:29 pm
Subject: News on tidal power in Somerset press
oliver_knigh...
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MINISTER BACKS SEVERN BARRAGE
This is Somerset - 7th April 2007
 
Government minister Ben Bradshaw has become the latest politician to publicly support plans to build a barrage across the Severn estuary from Brean Down to Lavernock Point in South Wales.
The ambitious proposal for the 10-mile concrete dam, which would produce renewable energy via huge hydro-electric turbines, already has support from the Welsh Assembly and cabinet minister Peter Hain.

Now, Mr Bradshaw, Minister of State for the Department For Environment, Food And Rural Affairs, has said the Government should be looking to take advantage of the second-highest tidal range in the world.

In an exclusive interview with the Burnham and Highbridge Times, the MP for Exeter said: "If we are going to take our battle against climate change seriously we need to harness all the potential renewable energy both on land and at sea.

"There is no doubt that the Severn barrage, on the second most powerful tidal area in the world, would have the potential to provide us with a significant proportion of our renewable energy needs.

"I would not want to pre-empt what the report by the Sustainable Development Commission might say about tidal power, and the Severn barrage in particular, but I personally think it's a very promising prospect that we are going to have to look at positively."

The Sustainable Development Commission, which is working with the South West Regional Development Agency, has been tasked by the Government to produce a report on tidal power in the UK and part of its mandate is to review the proposals for the Severn barrage.

One such proposal is by the Severn Tidal Power Group, a consortium of engineers from UK companies McAlpine, Balfour Beatty, Taylor Woodrow, and Alstom.

STPG representatives were in the House of Commons on March 26 to tell MPs about the benefits of building the barrage which, the group claims, could provide five per cent of the UK's electricity needs.

STPG spokesman Roger Hull said: "The STPG was set up 20 years ago and in 1989 we, along with the Government and the electricity board, carried out a £4 million study into the possibility of building a barrage, but shortly after that the energy industry privatised and nothing has happened in the interim.

"Now that we do not have an electricity excess, the price of fossil fuels has gone up, there is a greater concern for the amount of greenhouse gas in the atmosphere, and nuclear and coal power stations are closing down. We have to build something, somehow.

"We told MPs that the time has come to think about the barrage again because, as part of the push for renewables, we should update the studies and, as a country, decide if it is good or not.

"We also told the MPs that if planning permission was given, the private sector would be willing to build the barrage."

In February the Burnham and Highbridge Times reported on the ambitious £650 million Severn barrage proposal from Neath businessman Gareth Woodham, which includes plans for 12 man-made islands in the river, which Mr Woodham claims could be valued at up to £25 million each.

But Mr Hull rubbished the Severn Lake project, saying: "The STPG proposal is based on engineering and environmental studies. Mr Woodham, to my knowledge, has no engineering studies or numbers to back him up. Our 1989 proposal might be almost two decades old but it is still sound engineering."

And while there is little doubt about the renewable energy producing potential of building a barrage across the Severn, environmental groups such as Friends Of The Earth have expressed concern about its potential impact on an ecosystem that includes fish, plants and rare birds.

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