# MyJouleBox funding: rounds and investors

> MyJouleBox has raised $7.4M across 1 round since 2026. Investors include Acumen. Every round with its source.

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

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

# Who invested in *MyJouleBox*

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

Raised 7 months ago

Funding summary Updated 26 Oct 2026

**$7.4M** raised across 1 round since 2026, from 1 source

- **Latest round:** Venture, $7.4M Apr 2026
- **Investors:** 1

See who backed them

## The rounds

- **Apr 2026** Venture **$7.4M** [Acumen](https://millionrounds.com/fund/acumen) Source recorded

## Everyone who backed them

[Acumen](https://millionrounds.com/fund/acumen) VC firm **1** round

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

## Quick answers about MyJouleBox

### Who invested in MyJouleBox?

MyJouleBox's investors include Acumen.

### How much has MyJouleBox raised?

MyJouleBox has raised $7.4M across 1 round since 2026.

### When did MyJouleBox last raise?

MyJouleBox's most recent round was a Venture of $7.4M in Apr 2026.

### What was MyJouleBox's biggest round?

Its most recent round, $7.4M in Apr 2026, is also its largest on record.

### Who backed MyJouleBox first?

MyJouleBox's first round on record, in Apr 2026, was backed by Acumen.

### What stage is MyJouleBox at?

MyJouleBox's latest named round is a Venture, in Apr 2026.

### Where is MyJouleBox based?

MyJouleBox is based in France.

## Companies like MyJouleBox

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

[**Elax Energy** $34M · Oct 2026](https://millionrounds.com/company/elax-energy)[**EPYR** $20M · Oct 2026](https://millionrounds.com/company/epyr)[**HyLight** $18M · Oct 2026](https://millionrounds.com/company/hylight)[**Voltheia** $5.4M · Aug 2026](https://millionrounds.com/company/voltheia)[**Technip Energies** $1.4B · Jun 2026](https://millionrounds.com/company/technip-energies)[**Mantle8** $38M · May 2026](https://millionrounds.com/company/mantle8)

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