Vistra adds 100MW / 400MWh to the world’s largest battery facility

Vistra’s massive lithium-ion battery system is located on the site of its existing Moss Landing power plant in Monterey County (Courtesy: Vistra)

Vistra Phase II expansion completed from its Moss Landing energy storage facility in California, the company announced Thursday, adding 100 MW / 400 MWh to the world’s largest battery facility.

The facility is now storing energy and supporting the California grid, when needed, with a total capacity of 400 MW / 1,600 MWh.


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“This facility provides a solution that California desperately needs and this expansion was able to go online at the right time as the summer heat intensifies and demand for electricity is at an all-time high,” said Vistra’s CEO, Curt Morgan, in a statement. “The state’s huge and commendable buildup of intermittent renewable energy has reduced emissions and presented a reliability challenge … Our Moss Landing battery system helps fill that reliability gap, storing excess daytime energy so it doesn’t run out. waste and then releasing it to the network when it is most needed. “

The expansion, which began in September 2020, ended earlier than scheduled, despite the impact of the COVID-19 pandemic. The lithium ion battery system is located on the site of the existing Moss Landing Power Lant in Monterey County.

Morgan said the site is capable of supporting an expansion of up to 1,500 MW / 6,000 MWh.

“California is leading the country in the transition away from fossil fuels and the Moss Landing energy storage facility stands as a model for how batteries can support intermittent renewables to help create a reliable grid of the future,” Morgan said. .

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