Mainspring Energy in $150M deal with NextEra Energy


Mainspring Energy has launched the Mainspring Linear Generator, the first product in a new category of power generation technology for commercial and industrial buildings, utilities, and microgrids.

The growing mandate for a reliable, affordable, and low-carbon electric grid is driving demand for new power generation technologies that can enable increased use of renewable energy while providing improved resilience against natural disasters, increased flexibility, and lower cost than the electric grid. Mainspring’s technology, based on research originally conducted by the company’s co-founders in a thermodynamics laboratory at Stanford University, is designed to meet these demands by delivering dispatchable, fuel-flexible power that substantially reduces cost and carbon, while accelerating the transition to the net-zero carbon grid.

The company also entered a $150 million agreement with NextEra Energy Resources to purchase Mainspring units and finance customer projects starting in the first half of 2021.

A major national supermarket chain has signed an agreement to expand deployment of Mainspring Linear Generators to power up to 30 grocery stores. Mainspring began shipping pilot units to multiple Fortune 500 customers in June 2020 and expects to begin commercial product shipments in mid-2021. Mainspring has shipped products to big-box retail, grocery, and utility customers and is in talks with other Fortune 500 companies in shipping, logistics, telecommunications, and 100% biogas wastewater treatment facilities.

Anela Dokso

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