🏆 Deal of the Week · CW 10/2025
Renaissance Fusion raised EUR 32 million in a Series A round in March 2025; valuation was not disclosed. The round was backed by Credit Mutuel Impact and Lowercarbon Capital. The capital will support the company's work on compact stellarator fusion reactors and its proprietary high-temperature superconducting magnet technology.
Renaissance Fusion — key deal facts
| Company | Renaissance Fusion |
| Founded | 2020 |
| Headquarters | Grenoble, France |
| Amount raised | EUR 32m |
| Valuation | Valuation Remains Undisclosed |
| Round | Series A |
| Investors | Credit Mutuel Impact, Lowercarbon Capital |
| Sectors | Renewable Energy |
Who invested in Renaissance Fusion?
Credit Mutuel Impact and Lowercarbon Capital participated in the Series A. The pairing is notable: Credit Mutuel Impact brings European institutional capital with a focus on sustainability-driven investments, while Lowercarbon Capital is a specialist climate-technology venture fund with a track record of backing deep-decarbonization bets. Together they reflect growing transatlantic conviction in near-term fusion development.
What does Renaissance Fusion do?
Renaissance Fusion was founded in July 2020 by Francesco Volpe, who serves as both CEO and CTO, alongside co-founder Martin Kupp. The company is headquartered in Grenoble, France, and is the first magnetic confinement fusion startup based in continental Europe. Its core product is a compact stellarator reactor called Chartreuse, which uses High Temperature Superconducting magnets and a proprietary liquid metal wall technology to reduce reactor complexity and maintenance requirements. Beyond fusion energy, Renaissance Fusion is commercializing its wide-form-factor HTS materials for applications in energy storage and medical imaging, targeting commercial fusion deployment in the 2030s.
Renaissance Fusion valuation & multiples
Explore the benchmarks: Series A.
Frequently asked questions
How much did Renaissance Fusion raise in its Series A?
Renaissance Fusion raised EUR 32 million in its Series A round, announced in March 2025.
What is Renaissance Fusion's valuation?
Renaissance Fusion's valuation was not disclosed as part of this Series A round.
Who invested in Renaissance Fusion?
The Series A was backed by Credit Mutuel Impact and Lowercarbon Capital.
When was Renaissance Fusion founded and where is it based?
Renaissance Fusion was founded in July 2020 and is headquartered in Grenoble, France.
Source: original announcement — read the full report.