The AI Infra MapFROM WATTS TO TOKENS
Map → L0 Energy & Power → Mainspring Energy

Mainspring Energy

Menlo Park, US · founded 2010
L0 · Energy & Power
behind-the-meter generationstartupprivategrowth
Energy first

Mainspring makes linear generators designed to provide onsite power for customers facing grid constraints. It is directly targeting data centers that want to come online sooner and avoid diesel-heavy backup setups.

Ecosystem functionMainspring has become a core non-turbine, non-fuel-cell option for flexible onsite AI power, especially where permitting and deployment speed matter.

Business modelSell onsite linear generators

Revenue—
Valuation—
Last round$258M2025
Sources · 4 ↓
  1. https://www.mainspringenergy.com/
  2. https://www.mainspringenergy.com/news/mainspring-secures-258-million-in-financing-to-scale-linear-generator-business-adds-energy-and-tech-leaders-to-board
  3. https://www.mainspringenergy.com/solutions/data-center
  4. https://www.linkedin.com/company/mainspringenergy
Suggest an editLast verified 2026-07-21
← Back to L0