Mainspring Energy joined the Lightrock portfolio in 2022. It produces and provides a fuel-flexible linear generator, accelerating the transition to the zero-carbon electrical grid of the future.

Mainspring Energy is headquartered in Menlo Park, CA, US. Its linear generator uses magnets to create motion, which is directly converted into electricity. It can seamlessly switch between various fuel qualities and types, including renewables like biogas, green hydrogen, and green ammonia.

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