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CON EDISON BATTERY ENHANCES RELIABILITY FOR STATEN ISLAND CUSTOMERS

Con Edison has installed a large-scale battery near the North Shore of Staten Island to help keep service reliable when the need for power is high.

The battery at 1515 Richmond Terrace can provide 1 megawatt – which is a million watts – to 37,000 customers in the northern and western areas of the island. That will take stress off the Con Edison grid on hot summer days when electrical usage soars.

It is the first battery Con Edison and its partner GI Energy have placed at a customer property in New York City under a demonstration project. An agreement guarantees Con Edison the right to discharge the battery as needed.

“Some of our large customers have their own batteries and use the power to support their operations,” said Alison Kling, who is managing the project for Con Edison. “But this new unique arrangement lets us place batteries in areas where our grid needs support. Battery technology is evolving quickly and we’re looking for the ways we can best use it to benefit our customers.”

When Con Edison is not using the energy storage unit for grid support, GI Energy plans to dispatch the battery into the wholesale market. 

The project underwent an extensive safety review by the Fire Department of New York and the city Department of Buildings.

Con Edison is a subsidiary of Consolidated Edison, Inc. [NYSE: ED], one of the nation’s largest investor-owned energy companies, with approximately $12 billion in annual revenues and $56 billion in assets. The utility delivers electricity, natural gas and steam to 3.5 million customers in New York City and Westchester County, N.Y.

Allan Drury's picture

Thank Allan for the Post!

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Discussions

Matt Chester's picture
Matt Chester on Feb 19, 2020 9:35 pm GMT

Alan-- what percentage of the time does ConEd expect that this battery will be required for grid stability purposes vs. being dispatched on the wholesale market?

Bob Meinetz's picture
Bob Meinetz on Feb 24, 2020 1:06 am GMT

Matt, assuming a standard 4-hour capacity for grid-scale batteries, Con Ed's "massive" battery could power Westchester County, with electricity dispatched on the wholesale market, for 18 seconds.

In terms of percent, that's .02% of each day.

Matt Chester's picture
Matt Chester on Feb 24, 2020 1:20 pm GMT

That's an overly simplistic way to look at it-- nowhere does it suggest that the batteries are intended to power the entire grid when they are called into action, so of course the 18 second calculation would make it look absurd. But if it were occasionally able to be used in the place of a peaker plant to supplement a period of high demand, it's going to be more useful than that. My question is how often will such supplementary power be provided by these batteries compared with the dispatch to the wholesale market, since the article notes those will be the two uses: "When Con Edison is not using the energy storage unit for grid support, GI Energy plans to dispatch the battery into the wholesale market. "

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