# Mainspring Energy

- Headquarters: United States
- Sectors: [Power Generation Equipment](https://endata.com/sectors/power-generation-equipment.md)

## Sites

| Place | Latest | Largest value | Types |
| --- | --- | --- | --- |
| Findlay Township, United States | 2024-10-23 | $175.0M | expansion, new_facility |
| Coraopolis, United States | 2024-10-22 | $175.0M | new_facility |
| United States | 2022-05-24 | $150.0M | investment |
| Menlo Park, United States | 2021-05-04 | $95.0M | investment |

## Customers, suppliers and deals

- [Khosla Ventures](https://endata.com/companies/15123.md): investor, 2×, latest 2022-05-24
- [Lineage](https://endata.com/companies/79908.md): customer, 1×, latest 2024-09-18
- [NapaSan](https://endata.com/companies/70913.md): customer, 1×, latest 2023-06-20
- [Lineage Logistics](https://endata.com/companies/42751.md): customer, 1×, latest 2022-05-24
- [Lightrock](https://endata.com/companies/63044.md): investor, 1×, latest 2022-05-24
- [Equinor](https://endata.com/companies/1741.md): investor, 1×, latest 2021-05-04
- [Princeville Capital](https://endata.com/companies/54901.md): investor, 1×, latest 2021-05-04
- [40 North Ventures](https://endata.com/companies/54902.md): investor, 1×, latest 2021-05-04
- [ClearSky](https://endata.com/companies/54903.md): investor, 1×, latest 2021-05-04
- [Devonshire Investors](https://endata.com/companies/54900.md): investor, 1×, latest 2021-05-04
- [Chevron Technology Ventures](https://endata.com/companies/3957.md): investor, 1×, latest 2021-05-04
- [AEP](https://endata.com/companies/8433.md): investor, 1×, latest 2021-05-04
- [KCK Group](https://endata.com/companies/29600.md): investor, 1×, latest 2021-05-04
- [Bill Gates](https://endata.com/companies/29602.md): investor, 1×, latest 2021-05-04

## Announcements (8)

- 2024-10-23: [Mainspring Energy to build $109M manufacturing facility in Coraopolis, Pennsylvania](https://endata.com/announcements/92740-mainspring-energy-to-build-109m-manufacturing-facility-in-coraopolis) (New facility · Findlay Township, Coraopolis, Allegheny County, Pennsylvania, United States · $109.0M · 597 jobs)
- 2024-10-22: [Mainspring to build $175M power generator plant near Pittsburgh](https://endata.com/announcements/92696-mainspring-to-build-175m-power-generator-plant-near-pittsburgh) (New facility · Coraopolis, Pennsylvania, United States · $175.0M · 600 jobs · starts operating 2025)
- 2024-10-22: [Mainspring Energy receives $87M DOE grant for new facility in Pennsylvania](https://endata.com/announcements/92685-mainspring-energy-receives-87m-doe-grant-for-new-facility-in-pennsylvania) (Expansion · Findlay Township, Allegheny County, Pennsylvania, United States · $175.0M · 600 jobs)
- 2024-09-18: [Mainspring Energy to deploy 33 linear generators at five Lineage facilities in Texas](https://endata.com/announcements/91751-mainspring-energy-to-deploy-33-linear-generators-at-five-lineage-facilities-in) (Contract · Texas, United States)
- 2023-06-20: [Mainspring linear generator to power NapaSan wastewater plant with biofuel](https://endata.com/announcements/79006-mainspring-linear-generator-to-power-napasan-wastewater-plant-with-biofuel) (Contract · Napa, California, United States)
- 2022-05-24: [Mainspring raises over $150 million in Series E funding](https://endata.com/announcements/68372-mainspring-raises-over-150-million-in-series-e-funding) (Investment · United States · $150.0M)
- 2022-05-24: [Mainspring signs deal with Lineage Logistics to deploy up to 150 linear generators](https://endata.com/announcements/68371-mainspring-signs-deal-with-lineage-logistics-to-deploy-up-to-150-linear) (Contract · United States)
- 2021-05-04: [Mainspring Energy raises $95M Series D for linear generator](https://endata.com/announcements/57892-mainspring-energy-raises-95m-series-d-for-linear-generator) (Investment · Menlo Park, California, United States · $95.0M)

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.