Onsite power generation for the net-zero carbon grid.
Location: United States, California, Menlo Park
Employees: 201-500
Total raised: $503M
Valuation: $290M
Founded date: 2010
Investors 6
| Date | Name | Website |
| - | Khosla Ven... | khoslavent... |
| - | Standard I... | standardin... |
| 02.06.2022 | Lightrock | lightrock.... |
| - | Fine Struc... | finestruct... |
| - | Trinity Ca... | trinitycap... |
| 19.03.2021 | Princevill... | princevill... |
Funding Rounds 3
| Date | Series | Amount | Investors |
| 17.04.2025 | Series F | $258M | - |
| 26.05.2022 | Series E | $150M | Lightrock |
| 04.05.2021 | Series D | $95M | - |
Mentions in press and media 15
| Date | Title | Description |
| 17.04.2025 | Mainspring Energy: $258 Million (Series F) Raised For Scaling Linear Generator Business | Mainspring Energy announced that it has secured $258 million in a Series F funding round to expand its linear generator power business and operations as it grows in manufacturing and customer sales. General Catalyst led the raise. They were... |
| 15.04.2025 | Mainspring Raises $258M in Financing | Mainspring, a Menlo Park, CA-based linear generator products company, raised $258M in Series F funding. The round was led by General Catalyst, with participation from Amazon’s Climate Pledge Fund, DCVC, Temasek, Marunouchi Innovation Partne... |
| 07.02.2025 | Women in Tech: Breaking Barriers in Boardrooms | In the world of corporate governance, the boardroom is a fortress. Traditionally, it has been dominated by a select few. But change is in the air. The launch of Firstboard.io's Advisory Board marks a pivotal moment. This initiative aims to ... |
| 06.02.2025 | Firstboard.io® Launches Advisory Board to Champion Women Technology Leaders to Elevate Private and Public Company Boards | Firstboard.io Advisory Board Firstboard.io, a curated collective of accomplished women technology leaders comprised of experienced board directors and board qualified executives, announces the launch of its Advisory Board of prominent CEOs,... |
| 21.03.2024 | Schneider Electric, Mainspring Energy promote new hybrid energy microgrid solutions | Schneider Electric, Mainspring Energy promote new hybrid energy microgrid solutions By Chris Crowell March 21, 2024 " class="author-button">View Profile Image via Schneider. At the annual CERAWeek Conference, Schneider Ele... |
| 14.10.2022 | Impact investing in overdrive as Lightrock Climate Impact Fund oversubscribes at €860 million | The world of Impact Investing was given a boost this week when London-based global investment platform Lightrock closed its first ever Climate Impact Fund at the oversubscribed amount of €860 million. Originally on the search for €600 milli... |
| 26.05.2022 | Mainspring Energy Raises Over $150 Million in Series E | Mainspring Energy, a Menlo Park, CA-based onsite power generation provider, raised over $150M in Series E funding. The round was led by Lightrock with participation from Khosla Ventures, Bill Gates, Fine Structure Ventures, Princeville Capi... |
| 25.05.2022 | Andreessen Horowitz forges ahead with new $4.5B crypto fund as Sequoia issues a dire warning for startup founders to cut back | This is the web version of Term Sheet, a daily newsletter on the biggest deals and dealmakers. Sign up to get it delivered free to your inbox. As crypto markets crash and other funds make plans to hold off, Andreeessen Horowitz is leaning i... |
| 10.11.2021 | Lineage Logistics Announces its First Cold Storage Facility to Produce 100% of its Energy Consumption On-Site | Company advances clean energy program with the installation of solar array and linear generators in California’s Inland Empire Partnering with PowerFlex and Mainspring Energy, Lineage’s Colton Agua Mansa facility installs two linear genera... |
| 04.05.2021 | Mainspring Energy Grabs $95M Series D Round | MENLO PARK, CA, Onsite power generation provider Mainspring Energy today announced its Series D financing of $95 million. >> Click here for more funding data on Mainspring Energy >> To export Mainspring Energy funding data t... |
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