More than 18,000 lithium ion battery packs would replace a gas-fired power plant used to meet peak demand.

By 2021, electricity use in the west Los Angeles area may be in for a climate change-fighting evolution.

For many years, the tradition has been that on midsummer afternoons, engineers will turn on what they call a “peaker,” a natural gas-burning power plant In Long Beach. It is needed to help the area’s other power plants meet the day’s peak electricity consumption. Thus, as air conditioners max out and people arriving home from work turn on their televisions and other appliances, the juice will be there.

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