Mainspring Energy

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Price volatility. Supply uncertainty. How fuel flexibility reduces onsite power risk.

Mainspring Energy

19 March 2026

Press Release

Mainspring Closes Series E at $290 Million

21 September 2022

Press Release

Mainspring Announces Linear Generator Pilot Project with Leading Utility AEP

19 July 2022

Press Release

World’s First Power Generator to Run Both Hydrogen and Ammonia Fuels

22 June 2022

Press Release

Mainspring Announces Deal with Lineage Logistics to Deploy up to 150 Mainspring Linear Generators, First Close of Series E at $150M

24 May 2022

Press Release

PG&E and NextEra Energy Resources Deploy Mainspring Linear Generator at Napa County Microgrid

30 August 2021

Press Release

Mainspring Announces $95 Million Series D Financing to Accelerate Delivery of its Breakthrough Power Generation Technology

4 May 2021

Press Release

Mainspring Introduces the Mainspring Linear Generator and $150 Million Agreement with NextEra Energy Resources

9 March 2021