Mainspring Energy

📍 Menlo Park, United States🗓 Founded 2010👥 517 employees💰 Last funded Apr 2025
Electric Power Generation🌐 mainspringenergy.com
Website LinkedIn
Mainspring is a power generator manufacturer redefining how local power is delivered to capacity constrained companies and communities. No other primary power solution can match the flexibility, affordability, and low emissions of a Mainspring Linear Generator. Mainspring customers across key industries — utilities, data centers, enterprise, and industrial — are taking control of their energy futures.
12
Total investors
1
Early stage
0
Mid stage
4
Late stage
2010
Founded

Investors

12 investors
All
Early stage
Mid stage
Late stage
Investor geography2 countries
United States
9
United Kingdom
3
Investor activity2010–2025 · investors recorded per year
20101201832020120211202232024220251
Recent (last 2y)Earlier
Frequently asked questions
Who invested in Mainspring Energy?
Mainspring Energy has 12 investors on record on gritt.io, including 1 early-stage backers and 4 late-stage investors.
When did Mainspring Energy last raise funding?
The most recent investment in Mainspring Energy recorded on gritt.io was in April 2025.
When was Mainspring Energy founded?
Mainspring Energy was founded in 2010.
What industry is Mainspring Energy in?
Mainspring Energy operates in Electric Power Generation. Find similar Electric Power Generation investors on gritt.io.
Where is Mainspring Energy based?
Mainspring Energy is headquartered in Menlo Park, United States.