# Transitional Energy funding: rounds and investors

> Transitional Energy has raised $2.5M across 1 round since 2022. Investors include US Department of Energy. Every round with its source.

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

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

# Who invested in *Transitional 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.

Cleantech

Funding summary Updated 26 Oct 2026

**$2.5M** raised across 1 round since 2022, from 1 source

- **Latest round:** Grant, $2.5M Jan 2022
- **Investors:** 1

See who backed them

## The rounds

- **Jan 2022** Grant **$2.5M** [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=transitional-energy).

## Quick answers about Transitional Energy

### Who invested in Transitional Energy?

Transitional Energy's investors include US Department of Energy.

### How much has Transitional Energy raised?

Transitional Energy has raised $2.5M across 1 round since 2022.

### When did Transitional Energy last raise?

Transitional Energy's most recent round was a Grant of $2.5M in Jan 2022.

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

Its most recent round, $2.5M in Jan 2022, is also its largest on record.

### Who backed Transitional Energy first?

Transitional Energy's first round on record, in Jan 2022, was backed by US Department of Energy.

### What stage is Transitional Energy at?

Transitional Energy's latest named round is a Grant, in Jan 2022.

### Where is Transitional Energy based?

Transitional Energy is based in the United States.

## Companies like Transitional 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)[**Pivot Energy** $500M · Oct 2026](https://millionrounds.com/company/pivot-energy)[**Peak Energy** $163M · Oct 2026](https://millionrounds.com/company/peak-energy)[**Renew** $207M · Oct 2026](https://millionrounds.com/company/renew)[**Optivolt** $37M · Oct 2026](https://millionrounds.com/company/optivolt)

## Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.

Open the investor searchOr these rounds in the app