# SolarDuck funding: rounds and investors

> SolarDuck has raised $17M across 1 round since 2023. Investors include Katapult, Invest-NL and Rotterdam Energy Transition Fund. Every round with its source.

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

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

# Who invested in *SolarDuck*

One round we have observed, with the 4 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

**$17M** raised across 1 round since 2023, from 3 sources

- **Latest round:** Round, $17M Dec 2023
- **Investors:** 4

See who backed them

## The rounds

- **Dec 2023** Round **$17M** [Katapult](https://millionrounds.com/fund/katapult) [Invest-NL](https://millionrounds.com/fund/invest-nl) [Rotterdam Energy Transition Fund](https://millionrounds.com/fund/rotterdam-energy-transition-fund) [Green Tower](https://millionrounds.com/fund/green-tower) Reported by Firms' own news pages and 2 others

## Founders and team

From SolarDuck's own website: 4 on the team.

- **Koen Burgers** Chief Executive Officer
- **Arnaud Ayral** Chief Commercial Officer
- **Don Hoogendoorn** Chief Technology Officer
- **Gerald Verweij** Chief Financial Officer

Advisers *Annemieke Roobeek*

## Everyone who backed them

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

[Invest-NL](https://millionrounds.com/fund/invest-nl) Private equity **1** round

[Rotterdam Energy Transition Fund](https://millionrounds.com/fund/rotterdam-energy-transition-fund) VC firm **1** round

[Green Tower](https://millionrounds.com/fund/green-tower) Venture studio **1** round

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

## Quick answers about SolarDuck

### Who invested in SolarDuck?

SolarDuck's investors include Katapult, Invest-NL, Rotterdam Energy Transition Fund and Green Tower.

### How much has SolarDuck raised?

SolarDuck has raised $17M across 1 round since 2023.

### When did SolarDuck last raise?

SolarDuck's most recent round was an Undisclosed round of $17M in Dec 2023.

### What was SolarDuck's biggest round?

Its most recent round, $17M in Dec 2023, is also its largest on record.

### Who backed SolarDuck first?

SolarDuck's first round on record, in Dec 2023, was backed by Katapult, Invest-NL and Rotterdam Energy Transition Fund and 1 others.

### What stage is SolarDuck at?

SolarDuck's latest named round is an Undisclosed round, in Dec 2023.

### Where is SolarDuck based?

SolarDuck is based in the Netherlands.

## Companies like SolarDuck

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

[**Ore Energy** $43M · Aug 2026](https://millionrounds.com/company/ore-energy)[**Tap Electric** $5.7M · Jun 2026](https://millionrounds.com/company/tap-electric)[**DRI Energy** $200M · May 2026](https://millionrounds.com/company/dri-energy)[**Eddy Grid** $11M · May 2026](https://millionrounds.com/company/eddy-grid)[**Spiral Hydrogen** $3.1M · Apr 2026](https://millionrounds.com/company/spiral-hydrogen)[**Moonwatt** $9.8M · Jan 2026](https://millionrounds.com/company/moonwatt)

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