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Japan to Build World’s Largest Battery to Relieve Pressure on Power Grid

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.

Related article: Breakthrough Microbattery Charges 1,000 Times Faster than Competing Technology

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



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  • Hoser on April 22 2013 said:
    Hope the $300 million battery doesn't brick like Tesla cars do. If you stored the energy as LH2, that's half of a battery. It's the only part you need to store, the other half of the battery is oxygen you can take from air. Either use it in a fuel cell, or burn it. Convert wastewater to power. Still none of this would be needed with modern nuclear power, in stark contrast to the ancient reactors Japan is shutting down. Google modular reactor, integral fast reactor, molten salt reactor, liquid fluoride thorium reactor.

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