Energie-Rhein-Sieg GmbH was founded on 22 July 1998 and is based in Sankt Augustin; its purpose includes construction and operation of energy generation plants, provision of energy services and the marketing and sale of electricity and gas in Sankt Augustin and the surrounding area. Since 1 January 2008 the electricity grid has been leased to Stadtwerke Schwäbisch Hall GmbH. The company operates power plants (including a leased CHP unit), provides contracting and other services and supplies electricity, gas and district heating customers. The sole shareholder is Stadtwerke Schwäbisch Hall GmbH.
Die Errichtung und der Betrieb von Energieerzeugungsanlagen, die Erbringung von Energiedienstleistungen sowie die Vermarktung und der Vertrieb von Strom und Gas in Sankt Augustin und Umgebung.
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) Siegburg Local Court, HRB 8651 (as of 4 November 2026)
| Name | Type | City |
|---|---|---|
| Thomas Hoppenz | Geschäftsführer(in) | Schwäbisch Hall |
Source: German Commercial Register (Handelsregister) Siegburg Local Court, HRB 8651 (as of 4 November 2026)
| Date | Event Type | Event |
|---|---|---|
| 19.08.2014 | Company Name Change | Energie-Rhein-Sieg GmbH |
| 19.08.2014 | Business Purpose Update | Die Errichtung und der Betrieb von Energieerzeugungsanlagen, die Erbringung von Energiedienstleistungen sowie die Vermarktung und der Vertrieb von Strom und Gas in Sankt Augustin und Umgebung. |
| 19.08.2014 | Gesellschaftsvertrag amended | Gesellschaftsvertrag |
| Date | Type | Change | Total Capital |
|---|---|---|---|
| 27.04.2004 | Share Capital Set | — | 1.500.000 € |
Source: German Commercial Register (Handelsregister) Siegburg Local Court, HRB 8651 (as of 4 November 2026)
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2024 | €3,805,481 | €468,338 | €3,728,402 | — |
| 2023 | €3,596,012 | €307,250 | €2,689,856 | — |
| 2022 | €4,322,779 | €96,896 | €2,571,895 | — |
| 2021 | €3,084,014 | €161,108 | €2,842,717 | — |
| 2020 | €2,608,453 | €247,852 | €2,534,595 | — |
| 2019 | €2,612,343 | €233,755 | €2,461,981 | — |
| 2018 | €2,784,645 | €147,891 | €3,278,407 | — |
| 2017 | — | — | €3,304,585 | — |
| 2016 | €2,508,008 | €111,667 | €2,954,722 | — |
| 2015 | €2,394,325 | €59,895 | €2,753,637 | — |
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Source: German Commercial Register (Handelsregister) Siegburg Local Court, HRB 8651 (as of 4 November 2026)
| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €61,853 | 2.3% |
| Material Costs | €2,602,396 | 94.9% |
| Depreciation | €77,647 | 2.8% |
| Interest & Similar | €118 | 0.0% |
