# Sunfire funding: rounds and investors > Sunfire has raised $281M across 4 rounds since 2012. Investors include Total Energy Ventures, Bilfinger Venture Capital and Electranova Capital. Source: https://millionrounds.com/company/sunfire (Millionrounds; every figure on the page links to its filing or article) Germany · [Series E startup](https://millionrounds.com/companies) # Who invested in *Sunfire* 4 rounds we have observed, with the 9 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it. Cleantech Energy Funding summary Updated 26 Oct 2026 **$281M** raised across 4 rounds since 2012, from 4 sources **$7.8M** Series A **$11M** Series B **$29M** Round **$233M** Series E - **Latest round:** Series E, $233M Mar 2024 - **Step-up i:** 8.2× - **Investors:** 9 See who backed them ## The funding story Each circle is a round, placed by date and sized by amount. The line above is the running total. 2014 2016 2018 2020 2022 2024 **$7.8M** Series A **$11M** Series B **$29M** Round **$233M** Series E - **First round:** Series A, $7.8M - **Biggest round:** $233M - **Usual gap between rounds:** 4.8 years ## The rounds - **Mar 2024** Series E **$233M** *2 new* [European Investment Bank](https://millionrounds.com/fund/european-investment-bank) [Lightrock](https://millionrounds.com/fund/lightrock) Source recorded - **Jan 2019** Round **$29M** *3 new* [Idinvest Partners](https://millionrounds.com/fund/idinvest-partners) [Total Energy](https://millionrounds.com/fund/total-energy) Paul Wurth S.A./ INVEN Reported by Tech.eu - **Feb 2014** Series B **$11M** *1 new* *3 returning* [Total Energy Ventures](https://millionrounds.com/fund/total-energy-ventures) [Bilfinger Venture Capital](https://millionrounds.com/fund/bilfinger-venture-capital) [Electranova Capital](https://millionrounds.com/fund/electranova-capital) Carl Berninghausen From a historical funding record - **Nov 2012** Series A **$7.8M** *3 new* [Total Energy Ventures](https://millionrounds.com/fund/total-energy-ventures) [Bilfinger Venture Capital](https://millionrounds.com/fund/bilfinger-venture-capital) [Electranova Capital](https://millionrounds.com/fund/electranova-capital) From a historical funding record ## Founders and team From Sunfire's own website: 2 founders, 2 on the team. **Nils Aldag** CEO & Founder **Christian von Olshausen** CTO & Founder - **Frank Posnanski** CFO - **Jens Henneberg** COO ## Who was in which round The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led. **Series A** 2012 **Series B** 2014 **Round** 2019 **Series E** 2024 [Total Energy Ventures](https://millionrounds.com/fund/total-energy-ventures) [Bilfinger Venture Capital](https://millionrounds.com/fund/bilfinger-venture-capital) [Electranova Capital](https://millionrounds.com/fund/electranova-capital) [European Investment Bank](https://millionrounds.com/fund/european-investment-bank) [Idinvest Partners](https://millionrounds.com/fund/idinvest-partners) [Lightrock](https://millionrounds.com/fund/lightrock) [Total Energy](https://millionrounds.com/fund/total-energy) Carl Berninghausen Paul Wurth S.A./ INVEN ## Everyone who backed them [Total Energy Ventures](https://millionrounds.com/fund/total-energy-ventures) VC firm **2** rounds [Bilfinger Venture Capital](https://millionrounds.com/fund/bilfinger-venture-capital) VC firm **2** rounds [Electranova Capital](https://millionrounds.com/fund/electranova-capital) Growth equity **2** rounds [European Investment Bank](https://millionrounds.com/fund/european-investment-bank) Government **1** round [Idinvest Partners](https://millionrounds.com/fund/idinvest-partners) Private equity **1** round [Lightrock](https://millionrounds.com/fund/lightrock) VC firm **1** round [Total Energy](https://millionrounds.com/fund/total-energy) Investment firm **1** round Carl Berninghausen no record of our own yet **1** round Paul Wurth S.A./ INVEN no record of our own yet **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=sunfire). ## Also claim to have backed them This firm lists Sunfire 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. [Planet First Partners](https://millionrounds.com/fund/planet-first-partners) Growth equity Per its own site ## Quick answers about Sunfire ### Who invested in Sunfire? Sunfire's investors include Total Energy Ventures, Bilfinger Venture Capital, Electranova Capital, European Investment Bank and Idinvest Partners, and 4 more on record. ### How much has Sunfire raised? Sunfire has raised $281M across 4 rounds since 2012. ### When did Sunfire last raise? Sunfire's most recent round was a Series E of $233M in Mar 2024. ### What was Sunfire's biggest round? Its most recent round, $233M in Mar 2024, is also its largest on record. ### Who backed Sunfire first? Sunfire's first round on record, in Nov 2012, was backed by Total Energy Ventures, Bilfinger Venture Capital and Electranova Capital. ### What stage is Sunfire at? Sunfire's latest named round is a Series E, in Mar 2024. ### Where is Sunfire based? Sunfire is based in Germany. ## Companies like Sunfire In the same sector, and raised in the last eighteen months. [**Rabot Energy** $50M · Oct 2026](https://millionrounds.com/company/rabot-energy)[**Reverion** $237M · Sept 2026](https://millionrounds.com/company/reverion)[**Nomos** $25M · Sept 2026](https://millionrounds.com/company/nomos)[**Proxima Fusion** $636M · Jul 2026](https://millionrounds.com/company/proxima-fusion)[**Anzana Electric Group** $40M · Jun 2026](https://millionrounds.com/company/anzana-electric-group)[**GALVANY** $12M · Jun 2026](https://millionrounds.com/company/galvany) ## Find investors like these Search every investor by what they have actually funded, then narrow to your stage and market. Free. 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