US electricity storage facilities’ power rating tops 565 MW at end of Q2


The combined power rating of installed electricity storage in the US grew 181.5 MW over the past year, and totaled 565.5 MW at the end of the second quarter of 2017, according to data filed with the US Federal Energy Regulatory Commission.
The data show 22 companies own and operate 45 grid-connected energy storage facilities in 12 states. All of the installations are battery storage systems bar two flywheel units. Of the installed power rating, 276.8 MW is used for …

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