Based in Calw, schwarzwald nature GmbH specializes in generating energy from renewable sources such as bioenergy, geothermal, hydropower, solar, and wind energy. The company also undertakes the construction and development of energy generation plants as well as energy trading. Furthermore, the company provides energy-related services, specifically focusing on storage solutions and electromobility. With an average of six employees in the 2024 fiscal year, the company operates as a subsidiary within the Stadtwerke Calw GmbH group.
Die Erzeugung von Energie aus regenerativen Quellen, insbesondere Bioenergie, Geothermie, Wasserkraft, Sonnenenergie und Windenergie, die Errichtung sowie der Aus- und Aufbau von Energieerzeugungsanlagen, der Handel mit Energie, die Erbringung von energienahen Dienstleistungen, insbesondere auch in Verbindung mit der Speicherung von Energie sowie Elektromobilität.
Converted using the official Destatis and Eurostat correspondence tables; ISIC Rev. 4 is the United Nations' international industry classification.
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Source: German Commercial Register (Handelsregister) Stuttgart Local Court, HRB 778583 (as of 19 August 2026)
| Name | Type | City |
|---|---|---|
| Horst Graef | Geschäftsführer(in) | Calw |
Source: German Commercial Register (Handelsregister) Stuttgart Local Court, HRB 778583 (as of 19 August 2026)
| Date | Event Type | Event |
|---|---|---|
| 30.05.2023 | Company Name Change | schwarzwald nature GmbH |
| 30.05.2023 | Gesellschaftsvertrag amended | Gesellschaftsvertrag |
| 12.04.2021 | Company Name Registered | schwarzwaldpower GmbH |
| Date | Type | Change | Total Capital |
|---|---|---|---|
| 12.04.2021 | Share Capital Set | — | 25.000 € |
Source: German Commercial Register (Handelsregister) Stuttgart Local Court, HRB 778583 (as of 19 August 2026)
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2025 | €703,363 | €304,794 | €6,698,910 | — |
| 2024 | €936,826 | €249,240 | €4,180,064 | — |
| 2023 | €243,860 | €248,915 | €3,279,246 | — |
| 2022 | €79,923 | €110,337 | €1,471,789 | — |
| 2021 | €67,175 | €10,610 | €104,942 | — |
| 2020 | — | — | €25,000 | — |
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Source: German Commercial Register (Handelsregister) Stuttgart Local Court, HRB 778583 (as of 19 August 2026)
"Stadtwerke Bad Freienwalde GmbH"
Bad Freienwalde · Elektrizitätserzeugung aus erneuerbaren Energieträgern zur Verteilung
Wärmecontracting Christliches Klinikum Soest GmbH
Soest · Elektrizitätserzeugung aus erneuerbaren Energieträgern zur Verteilung
Bürger-Energie-Niedereschach eG
Niedereschach · Elektrizitätserzeugung aus erneuerbaren Energieträgern zur Verteilung
| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €902,605 | 34.5% |
| Material Costs | €1,574,311 | 60.1% |
| Depreciation | €63,341 | 2.4% |
| Interest & Similar | €79,509 | 3.0% |
