Energy Storage Photo Credit: Smashcut / Foter.com / CC BY-NC

Published on April 20th, 2013 | by Zachary Shahan

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Japan Installing World’s Largest Battery Storage System

April 20th, 2013 by Zachary Shahan
 

Japan is a densely packed country with challenges supplying all its own electricity. So it certainly could benefit from being able to save more renewable energy that is generated during off hours. Japan’s Ministry of Economy, Trade and Industry (METI) agrees, as it is planning to install the world’s largest battery in the prefecture of Hokkaido, where a lot of solar power is already installed.

Photo Credit: Smashcut / Foter.com / CC BY-NC

Photo Credit: Smashcut / Foter.com / CC BY-NC

The battery park is supposed to have a storage capacity of about 60MWh. It’s supposed to be in place (at an electrical substation) no later than March 2015.

Of course, Japan is stimulating considerable solar power growth across the country through its generous feed-in tariff scheme. As its solar capacity grows, it could use some energy storage to make sure the electricity generated is used to the fullest degree possible. Studies have found that with renewables installed across a large region should be balanced enough to require little backup even at relatively high grid penetration. However, Japan isn’t such a large country….

Back to this world record storage project. “The project is expected to use up a large proportion of a ¥29.6 billion (US$299.5 million) fund allocated to battery projects by the Japanese government in its 2012 budget,” PV Tech writes.

“METI also envisages its storage battery market to account for about half of the global market share of which one third will be made up of large-scale storage batteries by 2020.”

We’ll see what happens, but Japan has certainly done well at capturing significant market share in other technology arenas. We’ll see how METI’s aims match up with reality, and how quickly Japan is able to get off fossil fuels and leap into a clean energy future.

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About the Author

is the director of CleanTechnica, the most popular cleantech-focused website in the world, and Planetsave, a world-leading green and science news site. He has been covering green news of various sorts since 2008, and he has been especially focused on solar energy, electric vehicles, and wind energy since 2009. Aside from his work on CleanTechnica and Planetsave, he's the founder and director of Solar Love, EV Obsession, and Bikocity. To connect with Zach on some of your favorite social networks, go to ZacharyShahan.com and click on the relevant buttons.



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