Günter Eckhard Rümmler

Uniper Kraftwerke GmbH operates coal, gas, and oil-fired power stations. It also runs hydroelectric power plants. The company is headquartered in Dusseldorf, Germany.

E.ON Energie AG is a provider of energy services. Most of its activities are concentrated in the countries of Central Europe and Central Eastern Europe. It's power stations in Germany and abroad generate electricity and, in some cases, district heating, and have a total installed capacity of some 27,000 megawatts (MW). It's German nuclear subsidiary, E.ON Kernkraft, owns / co-owns 12 reactors in Germany's Bavaria, Lower Saxony, and Schleswig-Holstein regions, with a net installed capacity of about 8,500 MW

E.ON Ruhrgas AG distributes gas. It offers gas transmission and storage solutions. Through a long pipeline system, the company supplies natural gas to gas merchant companies, distributors and industrial users in Germany and seven other nations. It also has interests in gas companies in other countries. Its customers comprises of regional companies, local distribution companies, industry and power stations. The company was founded in 1926 and is headquartered in Essen, Germany.

Uniper Technologies GmbH is an energy supplier and industrial customer that offers innovative generation and trading capacities, as well as a diverse range of services for shaping a sustainable energy portfolio. The company is based in Gelsenkirchen, Germany and ultimately controlled by the Government of Germany. The German company is dedicated to sustainability and has a new strategy and purpose called Empower Energy Evolution. Uniper Wärme, a subsidiary of Uniper Technologies, has been supplying customers throughout the central Ruhr area with tailor-made heating solutions for more than five decades.

Uniper Energy Storage GmbH provides gas storage services. The company is headquartered in Essen, Germany.

Part of E.ON SE, PreussenElektra GmbH is a German company that generates nuclear electric power. The company is based in Hannover, Germany. The company was founded in 1927. Guido Knott has been the CEO of the company since 2015.

Part of E.ON SE, E.On Global Commodities Se sells electricity, natural gas, liquefied natural gas and coal. The company is based in Dusseldorf, Germany.

Uniper Generation GmbH generates electricity. The private company is based in Hannover, Germany.