# 3Sun funding: rounds and investors

> 3Sun has raised $608M across 1 round since 2024. Investors include European Investment Bank and UniCredit. Every round with its source.

Source: https://millionrounds.com/company/3sun (Millionrounds; every figure on the page links to its filing or article)

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

# Who invested in *3Sun*

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

**$608M** raised across 1 round since 2024, from 1 source

- **Latest round:** Debt, $608M Jan 2024
- **Investors:** 2

See who backed them

## The rounds

- **Jan 2024** Debt **$608M** [European Investment Bank](https://millionrounds.com/fund/european-investment-bank) [UniCredit](https://millionrounds.com/fund/unicredit) Source recorded

## Everyone who backed them

[European Investment Bank](https://millionrounds.com/fund/european-investment-bank) Government **1** round

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

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=3sun).

## Also claim to have backed them

This firm lists 3Sun 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.

[Enel Green Power](https://millionrounds.com/fund/enel-green-power) Corporate VC Per its own site

## Quick answers about 3Sun

### Who invested in 3Sun?

3Sun's investors include European Investment Bank and UniCredit.

### How much has 3Sun raised?

3Sun has raised $608M across 1 round since 2024.

### When did 3Sun last raise?

3Sun's most recent round was a Debt of $608M in Jan 2024.

### What was 3Sun's biggest round?

Its most recent round, $608M in Jan 2024, is also its largest on record.

### Who backed 3Sun first?

3Sun's first round on record, in Jan 2024, was backed by European Investment Bank and UniCredit.

### What stage is 3Sun at?

3Sun's latest named round is a Debt, in Jan 2024.

### Where is 3Sun based?

3Sun is based in Italy.

## Companies like 3Sun

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

[**Sinergy Flow** $8.3M · Feb 2026](https://millionrounds.com/company/sinergy-flow)[**BeDimensional** $25M · Feb 2026](https://millionrounds.com/company/bedimensional)[**Limenet** $14M · Dec 2025](https://millionrounds.com/company/limenet)[**Sizable Energy** $8.0M · Oct 2025](https://millionrounds.com/company/sizable-energy)[**Energy Dome** Jul 2025](https://millionrounds.com/company/energy-dome)[**Amogy** $125M · Oct 2026](https://millionrounds.com/company/amogy)

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