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by philipkglass 1690 days ago
Current battery technology is adequate for 4-hour peak shaving and it's being deployed. Here's a project approved this year:

"Approval for 100MW / 400MWh battery storage project at site of New York fossil fuel plant"

https://www.energy-storage.news/approval-for-100mw-400mwh-ba...

The project is expected to reach commercial operation by the beginning of 2023. Enabling the storage of electricity to be used when it is most needed will help increase the amount of variable renewable energy that can be put onto New York’s grid. It will also, as with some recent high profile projects in California, help reduce the state’s reliance on peaker plants; which are only called into action several times a year when electricity demand is at its highest.