Who has invested in Last Energy?

Astera Institute, AE Ventures, Galaxy Fund, Gigafund, JAM Fund, The Haskell Company are named among the investors backing Last Energy.

Last Energy Funding: $164M Raised, Series C (2025)

Last Energy funding overview

Last Energy is based in Washington, DC. Last Energy has raised $164M in total disclosed funding. That places its disclosed total in the $100M–$250M range. Its most recent disclosed round is a Series C announced in December 2025. The round record for Last Energy runs through 2025; nothing later has been disclosed. Investors on record include Astera Institute, AE Ventures, Galaxy Fund, Gigafund, JAM Fund, The Haskell Company and 2 others. 8 distinct backers are named across the disclosed rounds.

Last Energy at a glance

Total raised: $164M
Latest round: Series C
Latest round date: December 2025
Headquarters: Washington, DC
Notable investors: Astera Institute, AE Ventures, Galaxy Fund, Gigafund, JAM Fund, The Haskell Company, Ultranative, Woori Technology Investment Co.

Frequently asked about Last Energy funding

How much has Last Energy raised?: Last Energy has raised $164M in total disclosed funding across the rounds on record.
Who has invested in Last Energy?: Astera Institute, AE Ventures, Galaxy Fund, Gigafund, JAM Fund, The Haskell Company are named among the investors backing Last Energy.
What was the latest Last Energy funding round?: The most recent disclosed round is a Series C, announced in December 2025.
Where is Last Energy based?: Last Energy is based in Washington, DC.
When did Last Energy last raise?: The last disclosed Last Energy round closed in December 2025 at Series C.

Every Last Energy figure above comes from filings and announced rounds in the StartupFundraising company database and is revised as new rounds are recorded. The lists below compare companies in Washington at a similar stage.

Last Energy Funding: $164M Raised, Series C (2025)

Last Energy funding overview

Last Energy at a glance

Frequently asked about Last Energy funding

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