Utility-scale energy storage is a vital part of the clean energy revolution. There is a critical difference between thermal generation of electricity and electricity from wind and solar. A thermal generator can run for as long as there is fuel to burn. The downside is that the price of that fuel can vary. When it gets more expensive, so does the electricity produced.

With wind and solar, renewable electricity is generated when the wind blows or the sun shines. What is needed is a way to store some of the electricity for later use. That’s where utility-scale batteries come in. They have become extremely popular in the last few years. In 2020, California had 500 MW of battery storage. Today, it has 5,000 MW, representing almost 8% of the state’s nameplate capacity, according to the California Independent System Operator.

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Source: Clean Technica

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