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SeaGen is the world's first large scale commercial tidal stream generator.〔 〕〔 〕〔 〕 It was four times more powerful than any other tidal stream generator in the world at the time of installation.〔 〕 The first SeaGen generator was installed in Strangford Narrows between Strangford and Portaferry in Northern Ireland, UK in April 2008 and was connected to the grid in July 2008.〔( First connection to the grid )〕 It generates 1.2 MW for between 18 and 20 hours a day while the tides are forced in and out of Strangford Lough through the Narrows. Strangford Lough was also the site of the very first known tide mill in the world, the Nendrum Monastery mill where remains dating from 787 have been excavated. ==Background== Marine Current Turbines, the developer of SeaGen, demonstrated first prototype of tidal stream generator in 1994 with a 15 kilowatt system in Loch Linnhe, off the west coast of Scotland. In May 2003, the prototype for SeaGen, '', was installed off the coast of Lynmouth, North Devon, England.〔 Seaflow was a single rotor turbine which generated 300 kW but was not connected to the grid. SeaFlow was the world's first offshore tidal generator, and remained the world's largest until SeaGen was installed.〔 (【引用サイトリンク】 title=Case Studies for Schools: Tidal Power ) 〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「SeaGen」の詳細全文を読む スポンサード リンク
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