Tesla strikes another mammoth energy storage deal in California

Late last week, California utility Pacific Gas and Electric (PG&E) asked the state to approve four lithium-ion battery storage projects. Three of which would be owned and operated by a third party, and one, built by Tesla, would be owned and operated by PG&E itself.

One of the projects—spearheaded by energy company Vistra (which recently merged with Dynegy)—could become the world’s first grid-scale, lithium-ion battery installations to store more than a gigawatt-hour of energy.

Tesla’s project is also huge. It would deliver 730MWh of energy, but Tesla’s contract with PG&E suggests the utility could opt to increase the size of the battery to 1.1GWh.

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Read the original at Ars Technica.