In marine current energy Siemens wants to be 800 lb gorilla

GreenBang reports that Siemens its expanding its presence in the ocean energy market - In marine current energy, Siemens wants to be 800-lb gorilla.

There’s a lot of energy in the world’s oceans, and Siemens wants to play a big part in developing that power for our use.

The Germany-based technology giant announced today that it’s taken on a larger stake in a British marine-energy company, Marine Current Turbines Ltd. Siemens first dipped its toe into the marine current tidal energy sector in February of 2010, when it acquired a minor stake in the company. It now has a 45-percent stake.

“With this increase in its stake, Siemens is strengthening its activities in ocean power generation,” said Michael Axmann, CFO of the newly founded Solar & Hydro Division within Siemens’ Energy Sector. “We will actively shape the commercialization process of innovative marine current power plants.” ...

Some estimates say tidal power plants deployed around the world could generate up to 800 terawatt-hours of clean energy each year. That’s enough to meet 3 to 4 percent of the world’s energy needs, and 25 percent more than all the energy used in Germany.

Marine Current Turbines plans to present two project investment prospectuses to the market in November: one for the 8 megawatt (MW) Kyle Rhea project in Scotland and another for the 10MW Anglesey Skerries project in Wales. The company also has lease approval to deploy a 100MW tidal farm off Brough Ness on the southernmost tip of the Orkney Islands in Scotland. ...

The company has already demonstrated its first commercial-scale project, SeaGen in Northern Ireland. Since November 2008, two turbines with a combined capacity of 1.2MW have been plugged into the grid and providing enough power to supply about 1,500 homes. With more than 2.7 gigawatt-hours of electricity generated so far, SeaGen is so far the top electricity producer in the marine current power sector.

EarthTechling reports that the Japanese are also getting in deeper with tidal energy - Kawasaki Testing Tidal Power In Scotland.

The name “Kawasaki” may be most readily associated with motors of the two-wheeled, gasoline-powered variety; but the Japanese multinational company has recently announced that it will soon be getting into the tidal power generation business. Kawasaki Heavy Industries (KHI) has announced that it will work with Okinawa Electric Power and Okinawa New Energy Development to prepare a new tidal power generator technology for testing off the coast of Okinawa, Japan. Then, KHI will test the technology at the European Marine Energy Centre (EMEC) in Orkney, Scotland.

The EMEC is the first center of its kind to offer developers an opportunity to test full-scale, grid-connected prototypes under high velocity wave and tidal conditions. High velocity currents at the tidal test site at the Fall of Warness, where the KHI technology will be tested, reach almost 4m/sec (7.8 knots). The facility offers seven test beds at depths ranging from 12 to 50 meters, in an area of over three square miles.

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RusHydro gives go ahead to 268m marine energy centre

ReCharge News has a look at a giant tidal power development in Russia - RusHydro gives go-ahead to $268m marine-energy centre.

Russian hydropower giant RusHydro is moving ahead with plans to set up an ocean-power turbine research and development (R&D) centre as a springboard for a multi-gigawatt tidal energy project in the White Sea.



The company’s board has approved plans to begin building the Severnaya Innovative Centre of Tidal and Wave Energy on Dolgaya Bay in the Barents Sea, where it will develop turbines to be used in the 8GW Mezenskaya tidal power plant.



A development of this scale could generate 38TWh of electricity a year, claims RusHydro, “comparable to generation of the whole Volga-Kama cascade of hydropower plants”.



The Severnaya centre, which will be run by RusHydros R&D institute, JSC NIIES, is expected to cost RUR7.5bn ($268m) in total to construct. It should open its doors in four years.

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