Hamburg, Germany
Stadtwerke Mainz AG provides a range of services including electricity, gas, water, and heating in the region of Mainz, Germany. The company is involved in public transportation, fiber optics, and electromobility initiatives. They operate modern power plants for renewable energy production and manage local networks for fair-priced green energy solutions. Key projects include the Wärmemasterplan 2.0 for warm water network expansion and bus infrastructure improvements. As of 2026, they have a significant presence with over 50 subsidiary companies. In one specific instance, in August 2026, work began on connecting residential areas around the Schneckenburger Straße to the main warm water network.
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