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Hokkaido is in the northern part of Japan; the largest prefecture, and second largest island. The cheap, abundant land has made the area an attractive destination for renewable energy projects; which, since the introduction of the feed-in tariff scheme in July 2012, have seen significant growth.
According to figures released by Japan’s Ministry of Economy, Trade, and Industry (METI) a total of 1,394MW of renewable energy capacity was added between April 2012 and January 2013.
The large capacity of clean energy added in Hokkaido has put the power grids under enormous pressure. To try and relieve this Japan is set to build the world’s largest battery at an electrical substation in the region.
The METI has announced that the battery will have a storage capacity of roughly 60 megawatt hours, which they hope will stabilise the electricity supply generated by the high concentration of solar and wind farms in Hokkaido.
The battery should be completed by March 2015, and will use up most of the $299.5 million fund that the government had set aside for battery projects.
By. Joao Peixe of Oilprice.com
Joao is a writer for Oilprice.com