Uniper SE operates as an energy company in Germany, the United Kingdom, Sweden, the rest of Europe, and internationally. The company operates through three segments: Green Generation, Flexible Generation, and Greener Commodities. The Green Generation segment operates emission-free hydroelectric electricity generation facilities, including hydroelectric, nuclear, wind, and solar power plants. The Flexible Generation segment operates power and heat generation plants, such as gas-fired, combined gas and steam, coal, and oil-fired power plants, as well as provides energy services. The Greener Commodities segment 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 green molecules comprising hydrogen, biomethane, and ammonia; procurement of coals; trading carbon dioxide certificates; and trading green certificates for the supply of green energy. The company was founded in 1894 and is headquartered in Düsseldorf, Germany. Uniper SE operates as a subsidiary of UBG Uniper Beteiligungsholding GmbH.