Certified by Founder
Lodge
Mainspring Energy
start up
United States
- Menlo Park, CA
- 16/04/2025
- Series F
- $258,000,000
Mainspring designs and manufactures an advanced, flexible power generation solution — the Linear Generator — that gives leading C&I companies, data centers, and utilities reliable, scalable, sustainable power capacity. Any fuel, any scale, anytime, anywhere.
- Industry Electric Power Generation
- Website https://www.mainspringenergy.com/
- LinkedIn https://www.linkedin.com/company/mainspringenergy/
Related People
Shannon MillerFounder
United States -
Menlo Park, California
Working with the world’s best power generation technology and team along with leading Fortune 500 customers to deliver reliable, high-efficiency, and affordable electricity.
WealthAi | $1,000,000 | (Jan 30, 2026)
Checkbox | $23,000,000 | (Jan 30, 2026)
PaleBlueDot AI | $150,000,000 | (Jan 30, 2026)
Mesh Security | $12,000,000 | (Jan 30, 2026)
Datalinx AI | $4,200,000 | (Jan 30, 2026)
Ressio Software | Undisclosed Amount | (Jan 30, 2026)
Co-reactive | $7,754,157 | (Jan 30, 2026)
Arkero | $6,000,000 | (Jan 30, 2026)
Redwood Materials | $425,000,000 | (Jan 30, 2026)
Twogee Biotech | $2,575,886 | (Jan 30, 2026)
Levellr | $2,500,000 | (Jan 30, 2026)
Indigo(1) | $50,000,000 | (Jan 30, 2026)
heyData | $16,500,000 | (Jan 30, 2026)