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Japan at the Electricity Crossroads: Nuclear Power to Lower Electricity Bills or Solar Power to Create Resiliency?

March 11, 2016 marks the five-year anniversary of the 2011 Tohoku earthquake and tsunami, which caused catastrophic meltdowns at three reactors in the Fukushima Daiichi Nuclear Power Plant complex in Fukushima Prefecture. This devastating event resulted in a major change to the nation’s electricity supply market. It led to the introduction of the national feed-in tariff (FIT) program in July 2012 and historical liberalization of the retail electricity market, which will commence in April.

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South Korean Grid Will Soon Boast World’s Largest Energy Storage System

On March 8, Kolkam Co announced that it had deployed two battery energy storage systems powered by nickel manganese cobalt oxide in South Korea. The company installed a larger 24-MW / 9-MWh system and a 16 MW / 6 MWh system both of which will perform frequency regulation for Korea Electric Power Corporation (KEPCO). The company said that 24 MW / 9 MWh system is the largest capacity Lithium NMC ESS used for frequency regulation in the world.

Operational since January 2016, the two systems, along with a Kokam 16-MW / 5-MWh Lithium Titanate Oxide ESS system deployed in August 2015, provide KEPCO with 56 MW of energy storage capacity for frequency regulation. These three systems are part of the world’s largest ESS frequency regulation project, which is expected to deploy 500 MW of battery-based energy storage when it is completed in 2017.

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