PetroEnergy Resources Corporation engages in the upstream oil exploration and development and power generation businesses. It operates through Oil Production, Geothermal Energy, Solar Energy, Wind Energy, and Other Activities segments. 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 Wind Energy segment engages in wind 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 and its expansion 12 MW MGPP-2; the 50 MW Tarlac solar power project and its 20 MWDC expansion located in Tarlac City, Tarlac; and the 36 MW Nabas wind power project and its 13.2 MW expansion 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.