Stadtwerke Mühlheim am Main
Stadtwerke Mühlheim am Main GmbH is the municipal utility of Mühlheim am Main, supplying electricity, gas and water while operating the town's swimming pools and e-mobility infrastructure.
Last updated September 27, 2026
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Overview
Stadtwerke Mühlheim am Main GmbH is the regional municipal utility (Stadtwerke) of the town of Mühlheim am Main in Hesse, Germany. Its core business is the supply of electricity, natural gas and water to households and businesses in its service area, which includes the town and the Lämmerspiel district. Beyond energy and water supply, the company operates the town's indoor and outdoor swimming pools, manages street lighting, and has taken on a growing range of services on behalf of the municipality. The company is wholly owned by the town of Mühlheim am Main. Its share capital amounts to 6.5 million euros, and the mayor of the town, Dr. Alexander Krey, chairs the supervisory board. Since July 2024 the managing director (Geschäftsführerin) has been Melanie Bauer. The utility traces its origins to a municipal Eigenbetrieb (municipal undertaking) that was converted into a limited liability company (GmbH) in 1982. Over the decades the Stadtwerke have expanded through a series of acquisitions and transfers of municipal infrastructure: water supply in the Lämmerspiel district in 1977, electricity supply in Lämmerspiel in 1992, the repurchase of gas supply from Maingas AG in 1995, and the gradual takeover of the indoor pool (1996), street lighting (2000), public transport (2001) and the outdoor pool (2003). In 2016 the company switched to 100 percent renewable electricity, and it has since invested in photovoltaic generation, electric-vehicle charging stations and a range of digital services for customers. Today the Stadtwerke present themselves as a modern, sustainability-oriented local provider. They offer electricity and gas tariffs, a customer portal, the m.go app, heating contracting and photovoltaic models, and they participate in the Stadtwerke climate-protection initiative. Their public profile also includes the operation of the Mühlheim outdoor pool (Freibad) and a range of community activities.
History
The Stadtwerke Mühlheim am Main trace their origins to a municipal undertaking (Eigenbetrieb) of the town of Mühlheim am Main. In 1970 the town sold its gas supply operations to Maingas AG, a step connected with the conversion from town gas (Stadtgas) to natural gas. In 1977, as part of a regional administrative reform, the Stadtwerke took over water supply in the Lämmerspiel district. In 1982 the municipal undertaking was converted into a limited liability company (GmbH). In 1992 the company acquired the electricity supply in Lämmerspiel from EVO AG. In 1995 it repurchased the gas supply from Maingas AG (excluding Lämmerspiel) and carried out a comprehensive renovation of the entire waterworks. From the mid-1990s onward the Stadtwerke progressively took over municipal infrastructure and its operation from the town: the indoor swimming pool (Hallenbad) in 1996, street lighting in 2000, public transport (ÖPNV) in 2001, and the outdoor swimming pool (Freibad) in 2003. The outdoor pool was rebuilt between 2005 and 2007. In 2009 the company installed its first own photovoltaic system on the roof of the indoor pool. In 2015 it introduced a citizen participation model through qualified subordinated loans and installed its first electric-vehicle charging station at the Brückenmühl car park in Mühlheim. In 2016 the Stadtwerke switched to green electricity, sourcing 100 percent of electricity from renewable energies. A Facebook presence followed in 2017. In 2018 the company commissioned a new transfer station on Anton-Dey-Straße and installed a fast-charging station on Dietesheimer Straße as a joint project with Wohnbau Mühlheim am Main GmbH. In 2019 it installed its own photovoltaic system on the roof of the Stadtwerke building. In 2020 the citizen participation concept was relaunched as m.invest2020 and the Stadtwerke app m.live 2.0 went online. In 2021 further charging stations were installed and commissioned in Mühlheim. In 2022 the company joined ASEW (Arbeitsgemeinschaft für sparsame Energie- und Wasserverwendung) and the Stadtwerke climate-protection initiative. In 2023 public transport operations ended and the Hopper on-demand service was introduced throughout the district. In 2024 there was a change in management, and in 2025 the company launched an Instagram and LinkedIn presence and the Stadtwerke app m.go went online. Since July 2024 Melanie Bauer has served as managing director. The company remains wholly owned by the town of Mühlheim am Main, with share capital of 6.5 million euros. The mayor, Dr. Alexander Krey, chairs the supervisory board. Its service portfolio today covers electricity, gas and water supply, heating contracting, photovoltaic models, e-mobility consulting and charging infrastructure, and the operation of the town's swimming pools.
- 2025
Instagram and LinkedIn presence; m.go app goes online
- 2024
Change in management (Melanie Bauer becomes managing director in July)
- 2023
End of public transport operations; introduction of Hopper on-demand service district-wide
- 2022
Joining ASEW and the Stadtwerke climate-protection initiative
- 2021
Installation and commissioning of further charging stations in Mühlheim
- 2020
Relaunch of citizen participation as m.invest2020; m.live 2.0 app online
- 2019
Installation of own photovoltaic system on the Stadtwerke building roof
- 2018
Commissioning of new transfer station on Anton-Dey-Straße; fast-charging station on Dietesheimer Straße
- 2017
Facebook presence launched
- 2016
Switch to green electricity – 100 percent renewable energy
Products and positioning
Regional municipal utility focused on reliable local energy and water supply, sustainability and community services.
Electricity tariffs
Electricity supply for households and businesses, 100% renewable since 2016
Gas tariffs
Natural gas supply for households and businesses
Water supply
Drinking water supply for the town and Lämmerspiel
Heating contracting
Wärme-Contracting services
Photovoltaic models
Photovoltaic installation and financing models
E-mobility
Consulting, wallbox installation and operation of charging stations
Swimming pools
Operation of the indoor pool (Hallenbad) and outdoor pool (Freibad)
Customer portal
Online portal for contact data, meter readings and invoices
m.go app
Stadtwerke app launched in 2025
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