Pampa EnergÃa S.A., an integrated electricity company, engages in the generation, transmission, and distribution of electricity in Argentina. It operates through Electricity Generation, Electricity Distribution, Oil and Gas, Refining and Distribution, Petrochemicals, and Holding and Other Business segments. The company generates electricity through combined cycle gas-fired generating units, thermal generation plants, open-cycle gas turbines, and hydroelectric power generation systems, as well as through a wind farm. As of December 31, 2018, it had an electricity generation installed capacity of approximately 3,871 megawatts; 3 million electricity distribution customers in the northern region of the City of Buenos Aires and Northwestern Greater Buenos Aires area; and 20,944 kilometers of high voltage transmission lines. The company is also involved in the exploration and production, and refining and distribution of oil and gas. In addition, it offers petrochemicals, such as intermediate gasoline products, aromatic solvents, hexane and other hydrogenated paraffinic solvents, and propellants for the cosmetic industry; monomer styrene; and rubber and polymer products from natural gas, virgin naphtha, propane, and other supplies. As of December 31, 2018, the company had combined crude oil and natural gas proved reserves of approximately 130.3 million barrels of oil equivalent; one fully owned refinery with an installed capacity of approximately 25.8 thousand barrels per day; and one storage facility with a capacity of approximately 1.2 million barrels. It also operated a network of 84 gas stations. The company was formerly known as Pampa Holding S.A. and changed its name to Pampa EnergÃa S.A. in September 2008. Pampa EnergÃa S.A. was founded in 1945 and is based in Buenos Aires, Argentina.