Stadtwerke Altena GmbH is responsible for the public supply of gas and water and supplies the city of Altena and surrounding areas with natural gas and drinking water from its own sources, notably the Springer spring and the Fuelbecke reservoir. Its service offering includes gas and water supply as well as municipal tasks such as wastewater disposal and the operation of public baths. The company is majority municipally owned (75.1%), with 24.9% of shares held by Mark‑E AG, Hagen. The gas network has been leased to Enervie Vernetzt GmbH since 2011, while technical operations continue to be performed by in‑house staff.
Die öffentliche Versorgung mit Energie und Wasser sowie die Errichtung, der Erwerb und der Betrieb von Anlagen, die der öffentlichen Versorgung mit Energie und Wasser dienen, sowie die Erbringung energiewirtschaftlicher Dienstleistungen.
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Source: German Commercial Register (Handelsregister) Iserlohn Local Court, HRB 5151 (as of 3 October 2026)
Source: German Commercial Register (Handelsregister) Iserlohn Local Court, HRB 5151 (as of 3 October 2026)
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Source: German Commercial Register (Handelsregister) Iserlohn Local Court, HRB 5151 (as of 3 October 2026)
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