Renew On Line (UK) 47
Extracts from NATTA's journal
|Welcome Archives Bulletin|
12. Marine Renewables
SW Wave & Tidal
Cornish wave hub
Up to 30 wave turbines could be situated 10 km off the Cornish coast , supplying about 30 MW of power, according to a report by Regen South West for the Regional Development Agency. Although the cost would be £6-9m Regen SW noted that “North Cornwall has got a world class wave resource.”
Faroes Wave power
Wavegen is joining forces with SEV, the Faroese electricity company, to bring wave energy to the Faroe Islands by means of a wave power station built into a tunnel on a cliff face. The companies are forming a joint venture company to oversee the project’s initial design and engineering phase with a value of £600,000. Phase two will see the construction of the wave power station using a series of Wavegen’s air turbine power generation modules in a project worth up to £7m. This is seen as providing the blueprint for wave power stations in similar locations both in the Faroes and other parts of the world. The Faroese device will be based on the existing oscillating water column technology utilised in the Islay plant. The key innovative feature will be the use of tunnels cut into the cliffs on the shoreline to form the chamber which captures the energy. The new design offers a novel and complementary approach to shoreline devices that is completely unobtrusive and well protected.
TidEl moves on
SMD’s TidEl tidal electrical generator has been given the go ahead to begin the next phase of development by the DTI, who are partially funding the project. The full scale model will be rated at 1MW, but initially a 1/10 scale functional model will be built and tested to gather performance and reliability data, this is scheduled for end 2003. See: www.smd-uk.com/july2003.html
The Stingray hydroplane prototypes’ second season of testing last summer, off the Shetlands, seems to have gone very well, involving tests on a number of control strategies, allowing EB to select the optimum, followed by evaluation of the output of the generator over a series of tides.
* The Renewable Power Associations Ocean Energy Group conference at NaREC last year attracted 140+ eager to gain an up-to-date view of the wave and tidal industry. Conference proceedings are available on CD-ROM for £30+VAT. Contact : email@example.com
* The Carbon Trust has launched a Marine Energy Challenge programme to encourage developers to benefit from significant cost-engineering and performance analysis of their wave and tidal devices.
Orkney Wave Centre opens
EMEC’s managing director, Andrew Mill, told the Scotsman (Oct. 2, 2003) that the centre would provide an independent assessment of the practical worth of wave energy developments. “Companies from across the world can come and test their technology in a way that will satisfy future investors. The area is the best in the world- there is nothing between us and Newfoundland.”
Mill explained that EMEC had been set up as a not-for-profit business, but aimed to be self-funding within around three years. “Over the initial phase of the centre, we plan to rely less and less on our backers, but the main objective is be a catalyst in growing wave energy technology in Scotland”.
EMEC’s income will come from charging companies for use of the centre, while it will also take a share of the power generated through the testing and sell it to mainland operators such as ScottishPower or Scottish & Southern Energy. The opening of EMEC beats arch rivals Portugal, which is in the process of building a similar site in the Bay of Biscay. The first company to use the facility will be Edinburgh-based firm Ocean Power Delivery, which is putting the finishing touches to a prototype Pelamis sea snake device which it aims to use for the UK’s first offshore wave farms. OPD’s business development director, Max Carcas, said: ‘EMEC has eased the development of our technology considerably- without it we would have had to apply for a high-risk capital grant. Now we can concentrate on the technology.’
OWL Wave Master
Ocean WaveMaster Limited (OWL) has been formed as a partnership between the inventor Alex Southcombe and UMITEK (UMIST’s technology development company ) to research, develop and commercialise the WaveMaster wave-power system. It consists of two submerged boxes with pressure valves allowing the differential pressures under wave peaks and troughs to drive submerged turbines. See: www.umitek.com/owl/pdf/owl-1.pdf