Oliver Henrichs

Stadtwerke Duisburg AG provides utility services and is ultimately controlled by the City of Duisburg. The company is based in Duisburg, Germany. The German company was founded in 1854. Marcus O. Wittig has been the CEO of the company since 2012.

Part of E.ON SE, rhenag Rheinische Energie AG is a German company that provides energy solutions with almost 150 years of experience in the field. The company is based in Cologne, Germany. rhenag offers an interactive chart to explain the different items on their customers' annual bills, ensuring clarity and understanding. The company's expertise in energy and long-standing tradition in the industry make them a reliable choice for forward-thinking energy solutions.