TES Thueringer Energie Service GmbH is a 100-percent subsidiary of TEAG Thueringer Energie AG and provides energy-sector and telecommunications-related shared-service offerings. The service portfolio specifically includes energy data management, billing, receivables management, customer contact management, meter operation and telecommunications services delivered at the locations Jena, Gera and Leinefelde-Worbis. Major clients are affiliated companies of the TEAG group; revenue in fiscal year 2024 amounted to €32,264k and was generated predominantly with affiliated companies. As of 31 December 2024 the company employed 269 staff; EBIT was -€180k and net income was €242k.
die Erbringung von energiewirtschaftlichen Dienstleistungen sowie Dienstleistungen im Bereich der Telekommunikation, insbesondere Energiedatenmanagement, Abrechnung, Forderungsmanagement und Kundenkontaktmanagement.
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) Jena Local Court, HRB 508434 (as of 31 October 2026)
| Name | Type | City |
|---|---|---|
| Ronald Goecke | Geschäftsführer(in) | Leipzig |
| Gereon Reuter | Geschäftsführer(in) | Chemnitz |
Source: German Commercial Register (Handelsregister) Jena Local Court, HRB 508434 (as of 31 October 2026)
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2024 | €32,264,000 | €242,000 | €6,453,000 | — |
| 2023 | €30,692,000 | €195,000 | €6,170 | — |
| 2022 | €26,761,000 | €194,000 | €5,932,000 | — |
| 2021 | €26,887,000 | €188,000 | €5,975,000 | — |
| 2020 | €26,235,000 | €172,000 | €5,583,000 | — |
| 2019 | €28,291,000 | €157,000 | €4,683,000 | — |
| 2018 | €26,559,000 | €187,000 | €5,474,000 | — |
| 2017 | €24,376,000 | €89,000 | €4,925,000 | — |
| 2016 | €21,901,000 | €140,000 | €4,171,000 | — |
| 2015 | €24,634,000 | €107,000 | €5,000,000 | — |
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Source: German Commercial Register (Handelsregister) Jena Local Court, HRB 508434 (as of 31 October 2026)
| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €15,107,000 | 46.9% |
| Material Costs | €16,904,000 | 52.5% |
| Depreciation | €187,000 | 0.6% |
