# Last Energy funding: rounds and investors

> Last Energy has raised $100M across 1 round since 2025. Investors include Astera Institute, First Round Capital and Floodgate. Every round with its source.

Source: https://millionrounds.com/company/last-energy (Millionrounds; every figure on the page links to its filing or article)

[Series C startup](https://millionrounds.com/companies)

# Who invested in *Last Energy*

One round we have observed, with the 12 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Climate Tech Energy

Raised 11 months ago

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Funding summary Updated 5 Nov 2026

**$100M** raised across 1 round since 2025, from 1 source

- **Latest round:** Series C, $100M Dec 2025
- **Led by:** Astera Institute
- **Investors:** 12 (1 led)

See who backed them

## The rounds

- **Dec 2025** Series C **$100M** [Astera Institute](https://millionrounds.com/fund/astera-institute) Lead [First Round Capital](https://millionrounds.com/fund/first-round-capital) [Floodgate](https://millionrounds.com/fund/floodgate) [Quiet Capital](https://millionrounds.com/fund/quiet-capital) [Galaxy Interactive](https://millionrounds.com/fund/galaxy-interactive-2) [AE Ventures](https://millionrounds.com/fund/ae-ventures) [Gigafund](https://millionrounds.com/fund/gigafund) [JAM Fund](https://millionrounds.com/fund/jam-fund) [Galaxy Fund](https://millionrounds.com/fund/galaxy-fund) [The Haskell Company](https://millionrounds.com/fund/the-haskell-company) [Ultranative](https://millionrounds.com/fund/ultranative) [Woori Technology Investment Co. (WTIC)](https://millionrounds.com/fund/woori-technology-investment-co) Reported by TechCrunch

## Everyone who backed them

[Astera Institute](https://millionrounds.com/fund/astera-institute) Institutional LP **1** round, led 1

[First Round Capital](https://millionrounds.com/fund/first-round-capital) VC firm **1** round

[Floodgate](https://millionrounds.com/fund/floodgate) VC firm **1** round

[Quiet Capital](https://millionrounds.com/fund/quiet-capital) VC firm **1** round

[Galaxy Interactive](https://millionrounds.com/fund/galaxy-interactive-2) VC firm **1** round

[AE Ventures](https://millionrounds.com/fund/ae-ventures) Private equity **1** round

[Gigafund](https://millionrounds.com/fund/gigafund) VC firm **1** round

[JAM Fund](https://millionrounds.com/fund/jam-fund) VC firm **1** round

[Galaxy Fund](https://millionrounds.com/fund/galaxy-fund) Growth equity **1** round

[The Haskell Company](https://millionrounds.com/fund/the-haskell-company) Corporate VC **1** round

[Ultranative](https://millionrounds.com/fund/ultranative) VC firm **1** round

[Woori Technology Investment Co. (WTIC)](https://millionrounds.com/fund/woori-technology-investment-co) Growth equity **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=last-energy).

## Also claim to have backed them

These 3 firms list Last Energy as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

[Western Technology Investment](https://millionrounds.com/fund/wti) VC firm Per its own site

[Justin Mateen](https://millionrounds.com/fund/justin-mateen) VC firm Per its own site

[Dysruptek](https://millionrounds.com/fund/dysruptek) Corporate VC Per its own site

## Quick answers about Last Energy

### Who invested in Last Energy?

Last Energy's investors include Astera Institute, First Round Capital, Floodgate, Quiet Capital and Galaxy Interactive, and 7 more on record. Astera Institute led its latest round.

### How much has Last Energy raised?

Last Energy has raised $100M across 1 round since 2025.

### When did Last Energy last raise?

Last Energy's most recent round was a Series C of $100M in Dec 2025, led by Astera Institute.

### What was Last Energy's biggest round?

Its most recent round, $100M in Dec 2025, is also its largest on record.

### Who backed Last Energy first?

Last Energy's first round on record, in Dec 2025, was backed by Astera Institute, First Round Capital and Floodgate and 9 others.

### What stage is Last Energy at?

Last Energy's latest named round is a Series C, in Dec 2025.

### Who led Last Energy's rounds?

Astera Institute led the Series C in 2025.

## Companies like Last Energy

In the same sector, and raised in the last eighteen months.

[**Africa50** $50M · Aug 2026](https://millionrounds.com/company/africa50)[**os.energy** $1.2M · Aug 2026](https://millionrounds.com/company/os-energy)[**Radiance Renewables** $100M · Feb 2026](https://millionrounds.com/company/radiance-renewables)[**e-TRNL Energy** $3.0M · Feb 2026](https://millionrounds.com/company/e-trnl-energy)[**CleanMax** $165M · Feb 2026](https://millionrounds.com/company/cleanmax)[**Turno** $4.7M · Feb 2026](https://millionrounds.com/company/turno)

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