PetroEnergy Resources Corporation engages in the upstream oil exploration, renewable energy development, and power generation businesses. It operates through four segments: Oil Production, Geothermal Energy, Solar Energy, and Other Activities. The Oil Production segment engages in the oil and mineral exploration, development, and production activities. The Geothermal Energy segment develops and operates geothermal steamfields and power plants. The Solar Energy segment is involved in the solar energy operations. The Other Activities segment engages in the research and investment activities. The company’s principal oil properties are located in the Philippines and Gabon. It also holds interests in the 20 megawatt (MW) Maibarara geothermal power project located in Santo Tomas, Batangas; the 50 MW Tarlac solar power project located in Tarlac City, Tarlac; and the 36 MW Nabas wind power project situated in Nabas and Malay, Aklan. The company was formerly known as Petrotech Consultants, Inc. and changed its name to PetroEnergy Resources Corporation in 1997. The company was incorporated in 1994 and is headquartered in Pasig City, the Philippines. PetroEnergy Resources Corporation operates as a subsidiary of Yuchengco Group of Companies.