CPV plus storage system launched in Japan 2012/7/16
 
PV INSIDER    2012-08-01  :

The first project in the Yokohama Smart City Project, led by Japan's Ministry of Economy, Trade and Industry is a combined CPV and energy storage system at the Yokohama Works in Yokohama, commissioned by Osaka’s Sumitomo Electric Industries.
 
The system features the world's largest redox flow battery with a capacity of 1 MW x 5 hours, 100 kW of CPV, and an energy management system connected to an external commercial power network, that can store surplus power on the grid.
 
The energy management system monitors the level of electricity generated by the CPV system, as well as battery storage and power consumption, and balances fluctuations in solar power generation by charging and discharging the flow battery, leveling power consumption with a maximum demand control of 1 MW, controlling the electricity discharged from the battery according to electric loads.
 
Sumitomo Electric Industries has commissioned another 100kW to double the capacity to 200 kW by the end of the year and is looking to commercialise the EMS systems during the 2013/14 fiscal year and is working on cutting costs and other improvements, with the main target customers being large power users like industrial plants and commercial facilities.
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