# Active Energy Systems funding: rounds and investors

> Active Energy Systems has raised across 1 round since 2021. Investors include National Science Foundation. Every round with its source.

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

United States · [Venture startup](https://millionrounds.com/companies)

# Who invested in *Active Energy Systems*

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

**Undisclosed** raised across 1 round since 2021, from 1 source

- **Latest round:** Venture Sept 2021
- **Investors:** 1

See who backed them

## The rounds

- **Sept 2021** Venture **Amount undisclosed** [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) Source recorded

## Everyone who backed them

[National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) Government **1** round

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

## Quick answers about Active Energy Systems

### Who invested in Active Energy Systems?

Active Energy Systems's investors include National Science Foundation.

### How much has Active Energy Systems raised?

Active Energy Systems has raised 1 round since 2021, none with a disclosed amount.

### When did Active Energy Systems last raise?

Active Energy Systems's most recent round was a Venture in Sept 2021.

### Who backed Active Energy Systems first?

Active Energy Systems's first round on record, in Sept 2021, was backed by National Science Foundation.

### What stage is Active Energy Systems at?

Active Energy Systems's latest named round is a Venture, in Sept 2021.

### Where is Active Energy Systems based?

Active Energy Systems is based in the United States.

## Companies like Active Energy Systems

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)[**Pivot Energy** $500M · Oct 2026](https://millionrounds.com/company/pivot-energy)[**Peak Energy** $163M · Oct 2026](https://millionrounds.com/company/peak-energy)[**Pennsylvania American Water** $43M · Oct 2026](https://millionrounds.com/company/pennsylvania-american-water)[**Vertical Semiconductor** $84M · Oct 2026](https://millionrounds.com/company/vertical-semiconductor)

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