Startup · United States
Form Energy
HQ Somerville, MassachusettsFounded 2017501-1000 employeesUpdated
Develops iron-air batteries for multi-day energy storage.
Funding9 rounds · $1.60B
- Equity raised
- $1.60B
- Debt, secondaries & grants
- $602M
- Latest
- $270MDebt · Sep 21, 2026
| Announced | Stage | Amount | Valuation | Lead investors | Other investors | Confidence |
|---|---|---|---|---|---|---|
| Sep 21, 2026 | Debt | $270M | — | — | — | Reported |
| Aug 12, 2026 | Series E+ | $750M | — | T. Rowe Price | — | Reported |
| Dec 16, 2024 | Debt | $50.0M | — | Trinity Capital | — | Reported |
| Oct 9, 2024 | Series E+ | $405M | — | T. Rowe Price | — | Reported |
| Aug 6, 2024 | Grant | $147M | — | — | — | Reported |
| Dec 13, 2023 | Grant | $30.0M | — | — | — | Reported |
| Feb 9, 2023 | Grant | $105M | — | — | — | Reported |
| Nov 9, 2022 | Series B | Undisclosed | — | — | — | Reported |
| Oct 4, 2022 | Series E+ | $450M | — | — | — | Reported |
- Debt$270MSep 21, 2026
- Series E+Led by T. Rowe Price$750MAug 12, 2026
- DebtLed by Trinity Capital$50.0MDec 16, 2024
- Series E+Led by T. Rowe Price$405MOct 9, 2024
- Grant$147MAug 6, 2024
- Grant$30.0MDec 13, 2023
- Grant$105MFeb 9, 2023
- Series BUndisclosedNov 9, 2022
- Series E+$450MOct 4, 2022
Raised counts equity rounds; debt, secondary sales and grants are totaled separately. Amounts in other currencies are converted at the announcement month's average rate. A ~ marks an estimated or converted amount.
Capabilities1
| Technology | Role | Maturity | TRL | Notes | Confidence |
|---|---|---|---|---|---|
| Power, grids and energy storage | Developer | — | — | classify_sectors run 37, haiku, taxonomy 2026-10-18b: Iron-air batteries for multi-day energy storage, with no defense use stated. | Reported |
- Developerclassify_sectors run 37, haiku, taxonomy 2026-10-18b: Iron-air batteries for multi-day energy storage, with no defense use stated.—Reported
Maturity and TRL describe this organization's work; the field-wide maturity is on each technology's page.
People5
| Person | Role |
|---|---|
| Marco Ferrara | Co-Founder, SVP Analytics & Business Development |
| Mateo Jaramillo | Co-founder |
| Ted Wiley | President, COO, & Co-Founder |
| William Woodford | Co-founder |
| Yet-Ming Chiang | Co-Founder and Chief Scientist |
Sources6
Profile2
- 1CompanyAbout | Form Energy
Supports Organization · founded year
“Form Energy was founded by energy storage veterans who came together in 2017”
- 2
Supports Organization · hq city, Organization · hq region
“Form Energy’s headquarters in Somerville,Massachusetts”
Funding2
- 3
Supports Funding round, Funding round · investors, Organization, Organization · ownership
“Battery startup Form Energy said on Wednesday that it has raised $750 million to expand its manufacturing capacity in West Virginia, the latest sign that the AI data center building boom is fueling investment in energy storage.”
- 4CompanyForm Energy
Supports Funding round, Organization · employee range, Organization · linkedin url, Role
“funding round: Grant, 2024-08-06, USD 147,000,000, lead: US Department of Energy”
People2
- 5
Supports Role
“William Woodford,Co-founder and Chief Technology Officer of Form Energy”
- 6
Supports Role
“Mateo Jaramillo is co-founder and CEO of Form Energy.”
Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.