E.ON SE is an energy company operating in Germany, the United Kingdom, Sweden, the Netherlands, the rest of Europe, and internationally. It operates through three segments: Energy Networks, Energy Infrastructure Solutions, and Energy Retail. The Energy Networks segment operates power and gas distribution networks and provides maintenance, repair, and related services. The Energy Infrastructure Solutions segment offers integrated and sustainable energy solutions for cities, municipalities, and industrial and commercial customers, including district heating and cooling, heat, steam, and electricity services, embedded solutions, and energy efficiency products and services. It also installs smart energy meters, block-type thermal power stations, photovoltaic systems, air-conditioning systems, and heat pumps. The Energy Retail segment supplies power and gas, installs customer connections, connects renewable energy generating stations to the grid, and offers green power, green gas, and sustainable energy efficiency solutions for residential, small and medium-sized enterprises, commercial and industrial customers, and sales partners. It also provides digital solutions, biogas and biomethane products, compressed natural gas refueling services, solar and battery storage systems, heating systems, and charging infrastructure for electric vehicles. E.ON SE was founded in 1923 and is headquartered in Essen, Germany.