Pampa Energía S.A. operates as an independent energy integrated company in Argentina. The company operates through Electricity Generation, Oil and Gas, Petrochemicals, and Holding and Other Business segments. It generates electricity through thermal generation plants, thermal gas-fired thermal generation plants, and hydroelectric power generation systems, as well as through a wind farm. The company also explores for and produces oil and gas; produces petrochemicals, such as styrene, styrene butadiene rubber, and polystyrene; and operates high voltage electricity transmission network. In addition, it engages in gas transportation and advisory services activities. The company was formerly known as Pampa Holding S.A. and changed its name to Pampa Energía S.A. in September 2008. Pampa Energía S.A. was incorporated in 1945 and is based in Buenos Aires, Argentina.