# Relyion Energy funding: rounds and investors

> Relyion Energy has raised $4.4M across 1 round since 2023. Investors include Cleantech Open and Third Derivative. Every round with its source.

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

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

# Who invested in *Relyion Energy*

One round we have observed, with the 2 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

**$4.4M** raised across 1 round since 2023, from 1 source

- **Latest round:** Seed, $4.4M Dec 2023
- **Investors:** 2

See who backed them

## The rounds

- **Dec 2023** Seed **$4.4M** [Cleantech Open](https://millionrounds.com/fund/cleantech-open) [Third Derivative](https://millionrounds.com/fund/third-derivative) Source recorded

## Everyone who backed them

[Cleantech Open](https://millionrounds.com/fund/cleantech-open) Accelerator **1** round

[Third Derivative](https://millionrounds.com/fund/third-derivative) Accelerator **1** round

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

## Quick answers about Relyion Energy

### Who invested in Relyion Energy?

Relyion Energy's investors include Cleantech Open and Third Derivative.

### How much has Relyion Energy raised?

Relyion Energy has raised $4.4M across 1 round since 2023.

### When did Relyion Energy last raise?

Relyion Energy's most recent round was a Seed of $4.4M in Dec 2023.

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

Its most recent round, $4.4M in Dec 2023, is also its largest on record.

### Who backed Relyion Energy first?

Relyion Energy's first round on record, in Dec 2023, was backed by Cleantech Open and Third Derivative.

### What stage is Relyion Energy at?

Relyion Energy's latest named round is a Seed, in Dec 2023.

### Where is Relyion Energy based?

Relyion Energy is based in the United States.

## Companies like Relyion Energy

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

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