Stadtwerke Neumünster

Headquarters: Neumünster · Public / municipal · swn.net · Figures for 2025 · Data verified 17.10.2026 · Updated 17.10.2026

WtE plants

1

WtE capacity

150 kt/a

Waste treated

204.2 kt/a

Employees

1,018

SWN Stadtwerke Neumünster is the municipal utility of the city of Neumünster in Schleswig-Holstein, northern Germany, and is wholly owned by the city. Its operating company SWN Stadtwerke Neumünster GmbH runs the TEV, a refuse-derived-fuel-fired combined heat and power plant commissioned in 2005 that is the main source of the city’s district heating. The group also supplies electricity, gas and water, holds the majority in the MBA Neumünster waste treatment plant, and runs buses, baths and a fibre network. SWN shut down its last coal boilers in early 2024, is converting its steam network to hot water, and is planning heat storage and a large heat pump on the way to climate neutrality by 2035.

Key Takeaways

• Municipal group with roots in 1899: the holding SWN Stadtwerke Neumünster Beteiligungen GmbH (founded 2001) is owned 100% by the City of Neumünster; the TEV operator SWN Stadtwerke Neumünster GmbH is a wholly owned subsidiary.
• One RDF-fired CHP plant, the TEV: a circulating fluidised bed boiler at Bismarckstraße, commissioned in 2005 and permitted at the time for about 150,000 t/a, burns refuse-derived fuel from the neighbouring MBA Neumünster (majority SWN Entsorgung, minority Remondis) and supplies electricity and district heat to more than 25,000 residents.
• Coal exit completed: the remaining coal boilers at the heating plant were phased out from mid-2023 and finally shut down in early 2024, replaced by two gas steam boilers and two gas hot-water boilers; a Power-to-Heat boiler has been in the secondary control reserve market since 2025.
• Heat strategy to 2035: SWN aims for climate neutrality by 2035 with a large heat pump at the sewage works, new heat storage, network expansion under the municipal heat plan, and a study of CO2 separation at the TEV; a partial sale of the heat division to Remondis was dropped in October 2021 after a citizens’ initiative.
• Growth beyond energy: in 2025 the fibre joint venture NordConnect GmbH and the builder Konzept Bau Nord GmbH joined the group, and in September 2026 SWN was negotiating a stake in the Stadtwerke Bad Bramstedt, with contracts targeted for the first half of 2027.

Plants operated by Stadtwerke Neumünster

• Neumünster150 kt/a · Germany

1 plant in the WtE Monitor database, 150 kt/a in total.

Sources

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