THE INSTALLATION OF a 2-MW battery-based energy storage system at a retired coal plant in New Richmond, Ohio, is being billed as a sign of the growing potential of repurposing shuttered sites for grid-scale energy storage.
In addition to being completed in record time — about four months — the Duke Energy project, which provides frequency regulation services to the Northeastern PJM market, is also seen as a way for Duke to make money on a 60-year-old plant it was ready to mothball.
The system at the old W.C. Beckjord plant is designed to instantaneously absorb excess energy from the grid and release it in seconds, as opposed to a power plant that could take 10 minutes or more to ramp up.
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