# Clean Flexible Energy funding: rounds and investors

> Clean Flexible Energy has raised $861M across 1 round since 2024. Investors include US Department of Energy. Every round with its source.

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

Puerto Rico · [Funded startup](https://millionrounds.com/companies)

# Who invested in *Clean Flexible Energy*

One round we have observed, with the one investor 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.

Energy

Funding summary Updated 26 Oct 2026

**$861M** raised across 1 round since 2024, from 1 source

- **Latest round:** Debt, $861M Oct 2024
- **Investors:** 1

See who backed them

## The rounds

- **Oct 2024** Debt **$861M** [US Department of Energy](https://millionrounds.com/fund/u-s-department-of-energy) Source recorded

## Everyone who backed them

[US Department of Energy](https://millionrounds.com/fund/u-s-department-of-energy) Government **1** round

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

## Quick answers about Clean Flexible Energy

### Who invested in Clean Flexible Energy?

Clean Flexible Energy's investors include US Department of Energy.

### How much has Clean Flexible Energy raised?

Clean Flexible Energy has raised $861M across 1 round since 2024.

### When did Clean Flexible Energy last raise?

Clean Flexible Energy's most recent round was a Debt of $861M in Oct 2024.

### What was Clean Flexible Energy's biggest round?

Its most recent round, $861M in Oct 2024, is also its largest on record.

### Who backed Clean Flexible Energy first?

Clean Flexible Energy's first round on record, in Oct 2024, was backed by US Department of Energy.

### What stage is Clean Flexible Energy at?

Clean Flexible Energy's latest named round is a Debt, in Oct 2024.

### Where is Clean Flexible Energy based?

Clean Flexible Energy is based in Puerto Rico.

## Companies like Clean Flexible Energy

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

[**Amogy** $125M · Oct 2026](https://millionrounds.com/company/amogy)[**LanzaJet** $67M · Oct 2026](https://millionrounds.com/company/lanzajet)[**Cashin** $404K · Oct 2026](https://millionrounds.com/company/cashin)[**Greenzo Energy** $15M · Oct 2026](https://millionrounds.com/company/greenzo-energy)[**Pivot Energy** $500M · Oct 2026](https://millionrounds.com/company/pivot-energy)[**Pennsylvania American Water** $43M · Oct 2026](https://millionrounds.com/company/pennsylvania-american-water)

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