GreenTech Monitor 2026 (Startup-Verband)

Summary

• Around 2,903 GreenTech startups can be identified in Germany, against 19,608 startups in other sectors.p.5
• GreenTech foundings fell to 312 in 2025 (-43%) from a peak of 545 in 2021.p.6
• 675 startups are active in the energy sector, and 107 energy startups were founded in 2025 alone.p.8
• Since 2021 around 46 billion euros flowed into energy startups in the US, versus just under 6 billion euros in Germany.p.14
• German energy startups lack around €500 million per year to match the size of US funding rounds.p.15
• Around 2 billion euros were invested in GreenTechs in 2025.p.31
• 51% of GreenTech startups have received external investor financing, versus 39% for startups in general.p.27

Key insights

1. 62% of GreenTechs are supported by universities and 69% cooperate with established companies.p.4
2. 75% of GreenTech founders rate Germany as an attractive location compared with other European states.p.4
3. Energy and environmental technology account for 41% of GreenTech startups.p.17
4. 44% of GreenTechs focus on physical products, while 26% offer software-as-a-service.p.19
5. Around 16% of GreenTechs can be classed as DeepTech, compared with 11% for startups in general.p.20
6. Voltfang raised a Series B round of over 15 million euros and entered a strategic partnership worth 250 million euros.p.12
7. Marvel Fusion has raised around 385 million euros, making it the best-funded European fusion startup.p.13
8. World Fund manages assets of 300 million euros and invests in industry, energy, food and agriculture.p.29