ALTEO Energy Services Public Limited Company generates and sells electricity and heat in Hungary. The company operates through Energy Trading; Renewables-based Energy Production; Heat and Electricity Production and Management; Energy Services; and Other segments. It also engages in retail trade of electricity and gas; energy production of renewable solar, wind, hydropower plants; and operates and maintains energy generating assets and construction-installation activities. In addition, the company operates natural gas fueled, industrial power, and district heating plants, as well as biogas and landfill gas, and biomass boilers; and offer virtual power plant and wholesale trade of electricity. It also provides contracting, maintenance, investment funding, scheduling, waste management, and e-mobility services. The company was formerly known as ALTEO Energiaszolgaltato Nyilvanosan Mukodo Reszvenytarsasag and changed its name to ALTEO Energy Services Public Limited Company in June 2021. ALTEO Energy Services Public Limited Company was founded in 2008 and is headquartered in Budapest, Hungary.