# ReJoule funding: rounds and investors

> ReJoule has raised $6.3M across 1 round since 2024. Investors include National Science Foundation, US Department of Energy and California Energy Commission.

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

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

# Who invested in *ReJoule*

One round we have observed, with the 3 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.

Energy

Funding summary Updated 26 Oct 2026

**$6.3M** raised across 1 round since 2024, from 1 source

- **Latest round:** Grant, $6.3M Oct 2024
- **Investors:** 3

See who backed them

## The rounds

- **Oct 2024** Grant **$6.3M** [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) [US Department of Energy](https://millionrounds.com/fund/u-s-department-of-energy) [California Energy Commission](https://millionrounds.com/fund/california-energy) Source recorded

## Founders and team

From ReJoule's own website: 2 founders.

**Steven Chung** Co-founder, CEO

**Zora Chung** Co-founder, CFO

## Everyone who backed them

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

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

[California Energy Commission](https://millionrounds.com/fund/california-energy) Government **1** round

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

## Also claim to have backed them

This firm lists ReJoule as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

[Women's Equity Lab](https://millionrounds.com/fund/women-s-equity-lab) VC firm Per its own site

## Quick answers about ReJoule

### Who invested in ReJoule?

ReJoule's investors include National Science Foundation, US Department of Energy and California Energy Commission.

### How much has ReJoule raised?

ReJoule has raised $6.3M across 1 round since 2024.

### When did ReJoule last raise?

ReJoule's most recent round was a Grant of $6.3M in Oct 2024.

### What was ReJoule's biggest round?

Its most recent round, $6.3M in Oct 2024, is also its largest on record.

### Who backed ReJoule first?

ReJoule's first round on record, in Oct 2024, was backed by National Science Foundation, US Department of Energy and California Energy Commission.

### What stage is ReJoule at?

ReJoule's latest named round is a Grant, in Oct 2024.

### Where is ReJoule based?

ReJoule is based in the United States.

## Companies like ReJoule

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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