WFA Elverlingsen GmbH is a joint venture in which Ruhrverband and Mark-E AG each hold 50.0% and is domiciled in Werdohl. The company owns a bubbling fluidized bed combustion plant for the thermal treatment of municipal and industrial sewage sludges at the Werdohl-Elverlingsen site, which was commissioned in 2002. In the 2024 fiscal year WFA Elverlingsen GmbH operated as a certified waste disposal company; TÜV NORD CERT GmbH carried out a follow-up audit. The company's main activities are sewage sludge disposal and the sale of energy; the most important customer is Ruhrverband, which generated revenues of T€ 10,277 in the reporting year, and the company employed no staff in 2024.
Planung und Finanzierung sowie der Bau und der Betrieb einer Wirbelschichtfeuerungsanlage (WFA) für Steinkohle und Klärschlamm am Standort des Kraftwerkes Werdohl-Elverlingsen und damit zusammenhängender Tätigkeiten.
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) Iserlohn Local Court, HRB 5513 (as of 31 October 2026)
| Name | Type | City |
|---|---|---|
| Norbert Stenns | Geschäftsführer(in) | Altena |
| Dierk von Felde | Geschäftsführer(in) | Essen |
Source: German Commercial Register (Handelsregister) Iserlohn Local Court, HRB 5513 (as of 31 October 2026)
| Date | Contract | Value |
|---|---|---|
| 6.6.2025 | Supplier · Ruhrverband, Abteilung Zentrale Dienste, Einkauf | — |
| 24.1.2025 | Supplier · Gemeinde Wilnsdorf - Gemeindewerke - | — |
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2024 | Rohergebnis€5.3M2 | -€1,054,883 | €19,821,060 | 0 |
| 2023 | Rohergebnis€5.7M2 | -€864,848 | €21,977,051 | 0 |
| 2022 | — | €914,587 | €20,134,446 | 0 |
| 2021 | — | €924,760 | €18,130,148 | 0 |
| 2020 | — | €369,154 | €19,766,728 | 0 |
| 2019 | — | -€232,569 | €23,721,258 | 0 |
| 2018 | — | €146,592 | €21,637,718 | 0 |
| 2017 | €12,818,573 | €118,662 | €21,046,766 | 0 |
| 2016 | €12,027,416 | -€42,612 | €18,800,981 | 0 |
| 2015 | €12,070,074 | -€457,653 | €21,445,760 | 0 |
1 Small companies are not required to publish a profit-and-loss statement (§ 326 (1) HGB). The figure shown is the statutory ceiling under § 267 HGB where the balance-sheet total makes it binding — a company may exceed at most one of the three size criteria.
2 Rohergebnis nach § 276 HGB: Umsatzerlöse abzüglich Materialaufwand bzw. Herstellungskosten. Kleine und mittelgroße Kapitalgesellschaften dürfen diese Posten zusammenfassen; die Umsatzerlöse selbst sind dann nicht veröffentlicht und liegen über dem Rohergebnis.
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Source: German Commercial Register (Handelsregister) Iserlohn Local Court, HRB 5513 (as of 31 October 2026)
| Cost type | Amount | Share |
|---|---|---|
| Depreciation | €1,512,431 | 91.1% |
| Interest & Similar | €147,035 | 8.9% |
