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Orkney Vessels Trials project illustrates cost savings associated with low cost vessel approach

The Orkney Vessels Trial’s project has indicated that tidal developers could save 70-80% on installation costs by the use of smaller local vessels, advocating the low cost vessel approach followed by Scotrenewables Tidal Power. The Scotrenewables floating tidal technology is designed around the use of a low-cost multi-cat workboat vessel for installation, maintenance and decommissioning.

The £1.1 m project carried out by EMEC and local consultancy Aquatera set out to identify how Orkney based vessels could carry out complex marine operations cost effectively.   EMEC said the project included a set of six performance trials covering workboat positioning and dynamic loading, gantry barge positioning and device deployment, clump weight friction, remote operated vehicle (ROV) operations, responses to man overboard situations in tidal currents and dynamics of buoy submergence.

The project took place in the winter months in Orkney waters and involved 20 local organisations and over 120 individuals working together on over 60 vessel operations.

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Scotrenewables Tidal Turbine redeployed in stronger tidal currents


Our SR250 tidal turbine resumed operation in September following redeployment to a site with more powerful tidal currents in the Fall of Warness.  The device is now consistently exporting electricity to the national grid at the new site at its rated capacity of 250kW.


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SR250 featured on BBC Breakfast - September 2013

BBC Breakfast reporter Jenny Hill was in Orkney recently to report on the marine energy industry here.  She visited the Scotrenewables SR250 prototype tidal turbine and interviewed Scotrenewables Managing Director, Mark Hamilton, about the turbine and the industry in general.

The report was part of a wider BBC Energy Day event.


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SR250 Maintenance Lift Out - August 2013

 IMG 2661edited for web


Lift out at Scrabster, Caithness on 7 August 2013 for maintenance purposes following a tow through the Pentland Firth from Kirkwall with multi-cat vessel, MV Orcadia. The successful operation highlights the cost effectiveness and mobility of the turbine. It is unique in that it can easily be brought to the maintenance facility rather than have expensive mobilisation of equipment to the turbine on site.  

The SR250 is now back in Orkney ready for the next intensive period of testing at its new berth at EMEC’s test site.

Video Link:

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"Underwater Turbine rides the tide"