Rudolf Irmscher

Stadtwerke Heidelberg GmbH engages in the distribution and supply of electricity, gas, district heating, and water. It also provides house connection and installation services. The company was founded in 1872 and is headquartered in Heidelberg, Germany.

Part of Stadt Heidelberg, Stadtwerke Neckargemünd GmbH is a utility company based in Neckargemünd, Germany. Stadtwerke Neckargemünd provides gas, heat, water, and street lighting services. Additionally, they offer parking spaces and an electric charging station at the Pflughof parking garage. The German company was founded in 2002.

Trianel GmbH engages in the production, procurement, trading, and distribution of electricity and gas. It constructs, purchases, and operates gas, steam turbine, and coal-fired power plants, including offshore wind farms. The firm also provides services such as energy and market consulting, electric mobility, as well as initiation and implementation of energy efficiency networks. The company was founded on June 8, 1999 and is headquartered in Aachen, Germany.