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Mainspring Energy

Mainspring Energy

Onsite power generation for the zero carbon future

OverviewStructured DataIssuesContributors
Is a
Company
Company
Organization
Organization
Legal Name
Mainspring Energy, Inc.
Company Operating Status
Active
Competitors
Spear Power Systems, Inc.
Spear Power Systems, Inc.
CalWave
CalWave
Crunchbase URL
crunchbase.com/organiz...n/etagen
Email Address
info@mainspringenergy.com
Founded Date
2010
0
Full Address
3601 Haven Avenue Menlo Park, CA 94025
Industry
Energy industry
Energy industry
Clean technology
Clean technology
Investors
‌
Gates Frontier Fund
Coinbase Ventures
Coinbase Ventures
Lightrock
Lightrock
BillionHappiness
BillionHappiness
Khosla Ventures
Khosla Ventures
‌
Lineage Ventures
Princeville Capital
Princeville Capital
Fidelity Investments
Fidelity Investments
Nassau Street Ventures
Nassau Street Ventures
0
M&G Investments
M&G Investments
•••
Latest Funding Round Date
April 14, 2025
Latest Funding Round Amount (USD)
258,000,000
Latest Funding Type
Series E
Series E
LinkedIn URL
@company/mainspringenergy
0
Location
United States
United States
Menlo Park, California
Menlo Park, California
Number of Employees
221
Number of Employees (Ranges)
201 – 500
0
Patents Assigned (Count)
1
Pitchbook URL
pitchbook.com/profiles.../56368-63
Total Funding Amount (USD)
548,000,000
Twitter URL
@MainspringEnrgy
Official Website
mainspringenergy.com

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