A 200 megawatt battery rising on 15 acres outside Columbus will hold over 1 gigawatt hour of power, and it is becoming the largest ever built inside the 13 state PJM grid

A gravel lot outside Columbus has gone from empty field to steel skeleton in a matter of months.Crews are bolting together rows of container…

Largest battery storage site under construction in Ohio for PJM grid, 200 megawatt
Energy · Hugo Rojas · November 12, 2026
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