Stefan Mueller
Angel Investor
Hamburg, Germany
Stefan Mueller is a seed investor in Hamburg focused on Energy and Software. Stefan Mueller is the Co-Founder and Board Member of Enerparc. He previously worked at Conergy Group as a MD APAC.
- Total investments:
- 2
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries Stefan Mueller invests in
Stages Stefan Mueller invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $2.9M–$7.4M
Investment Focus
Industry
- Energy 1 (50%)
- Software 1 (50%)
- Clean Energy 1 (50%)
- Renewable Energy 1 (50%)
- Energy Efficiency 1 (50%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| We provide an energy demand management platform that connects energy providers with energy demanding appliances. We solve the problem of wasting valuable renewable energy by rewarding appliance owners for shifting their electricity demand to times when renewable energy is abundant. We put renewable energy to work. Efficient, scalable and fullyautomated! | $7.4M / Seed / Sep 15, 2025 | ||
| We provide an energy demand management platform that connects energy providers with energy demanding appliances. We solve the problem of wasting valuable renewable energy by rewarding appliance owners for shifting their electricity demand to times when renewable energy is abundant. We put renewable energy to work. Efficient, scalable and fullyautomated! | $2.9M / Seed / Jan 22, 2024 |
Co-Investors
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FAQ
What does Stefan Mueller invest in?
Stefan Mueller invests primarily in Energy, Software and Clean Energy startups, most often at Seed stage. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What round sizes does Stefan Mueller invest in?
Stefan Mueller typically joins rounds of $2.9M–$7.4M at Seed. These are whole funding-round sizes, not Stefan Mueller's own check, which is rarely disclosed: the 10th–90th percentile of the confirmed public funding rounds Stefan Mueller took part in.
How do I contact Stefan Mueller?
Public channels for Stefan Mueller include LinkedIn. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did Stefan Mueller last invest?
The most recent investment recorded for Stefan Mueller closed in Sep 2025. Shizune tracks 2 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Nov 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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