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RheinWerke GmbH

RheinWerke GmbH is a 50/50 joint subsidiary of Stadtwerke Düsseldorf and RheinEnergie focused on e-mobility, district heating, and renewable energy expansion in the Rhineland.

Last updated September 27, 2026

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Overview

RheinWerke GmbH (stylized RheinWerke GmbH) is a German energy joint venture founded on 16 May 2013 as a 50/50 subsidiary of Stadtwerke Düsseldorf AG and RheinEnergie AG of Cologne. Headquartered in Düsseldorf, the company was created to extend cooperation between the two municipal utilities beyond grid operations into the energy transition. Its business focuses on three core themes: electric mobility, district heating in the Rhineland metropolitan region (specifically the Cologne–Düsseldorf district heating network along the Rhine), and the expansion of renewable energy. The company initially operated without its own staff, drawing on personnel from its parent companies, and was to be advised by a board including shareholders and employee representatives. An early project was a 50 percent stake in the project company "Biogas Pool 3 für Stadtwerke GmbH & Co. KG," which builds a biogas upgrading plant in Wolfshagen, Brandenburg. The name is distinct from the similarly named former company 'Rheinwerk,' which made waste and recycling containers and merged into the ESE brand on 1 July 2013.

History

RheinWerke GmbH was founded on 16 May 2013 as a joint subsidiary of Stadtwerke Düsseldorf AG and RheinEnergie AG, each holding 50 percent. The company was established to broaden cooperation that had begun in 2010 between Düsseldorf and Cologne on mutual support in grid operations, extending it to energy transition topics. Headquartered in Düsseldorf, the new entity was initially planned to operate without its own personnel, using staff from the parent companies, and to have an advisory board comprising shareholders and employee representatives. Its business was concentrated on three core themes: electric mobility, district heating in the Rhineland metropolitan region (the Cologne–Düsseldorf district heating network along the Rhine), and the expansion of renewable energy. An early project was a 50 percent participation in the project company "Biogas Pool 3 für Stadtwerke GmbH & Co. KG," which builds a biogas upgrading plant in Wolfshagen, Brandenburg. The name should not be confused with the similarly named former company 'Rheinwerk,' which manufactured waste and recycling containers and merged into the ESE brand on 1 July 2013.

  • Founded on 16 May 2013 as a 50/50 joint subsidiary of Stadtwerke Düsseldorf AG and RheinEnergie AG.

  • First project: 50% participation in Biogas Pool 3 für Stadtwerke GmbH & Co. KG, building a biogas upgrading plant in Wolfshagen, Brandenburg.

Products and positioning

A joint municipal utility vehicle for the energy transition in the Rhineland, combining e-mobility, district heating, and renewables.

Product categories. Electric mobility services · District heating · Renewable energy projects

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