Uniper SE operates as an energy company in Germany, the United Kingdom, Sweden, the rest of Europe, and internationally. It operates through Green Generation, Flexible Generation, and Greener Commodities segments. The Green Generation segment operates renewable and low carbon power generation facilities, including hydroelectric, nuclear, wind, and solar power plants. The Flexible Generation segment operates gas-fired power plants, such as combined-cycle gas turbine power plants, coal, and oiled-fired power plants; as well as the provision of energy services. The Greener Commodities segment optimizes and sells natural gas to distributors, large industrial customers, power plant operators, and international energy markets. This segment also engages in gas storage operations; infrastructure investments; import, trade, and process or store renewable and low carbon fuels comprising hydrogen, biomethane, and ammonia; procurement of fuels; trading emission allowances; marketing and optimizing electricity generated; and trading green certificates for the supply of green energy. The company was founded in 1894 and is headquartered in Düsseldorf, Germany. Uniper SE is a subsidiary of UBG Uniper Beteiligungsholding GmbH.