First Gen Corporation, through its subsidiaries, engages in the power generation business in Philippines. It operates through FGPC, FGP, EDC and Subsidiaries, FG Hydro, FNPC, and Prime Meridian segments. The FGPC segment operates a 1,000 megawatts (MW) combined cycle, natural gas-fired Santa Rita power plant. The FGP segment operates a 500 MW combined cycle, natural gas-fired San Lorenzo power plant. The EDC and Subsidiaries holds service contracts with the Department of Energy to explore, develop, and utilize the resources in the relevant 10 geothermal contract areas. This segment also operates 578.97 MW Unified Leyte geothermal power plants; 172.5 MW Palinpinon geothermal power plants; 130 MW Bacman geothermal power plants; 123 MW Tongonan geothermal power plant; 106.99 MW Mindanao geothermal power plants; 49.4 MW Nasulo geothermal power plant; owns 150 MW Burgos Wind Energy project; owns 6.82 MW Burgos Solar Energy project; and 5.17 MW Solar Rooftop projects. The FG Hydro segment operates Pantabangan-Masiway, a 132.8 MW Hydroelectric plant. The FNPC segment owns and operates San Gabriel plant, a 420 MW natural gas-fired power plant. The Prime Meridian segment owns and operates Avion open-cycle, a 97 MW open-cycle natural gas-fired power plant. The company sells its electricity to Manila Electric Company, National Power Corporation, electric cooperatives, privately-owned distribution utilities, large industrial clients, and National Grid Corporation of the Philippines. It has an installed capacity of 3,474.2 MW. First Gen Corporation was founded in 1993 and is based in Pasig, the Philippines. First Gen Corporation is a subsidiary of First Philippine Holdings Corporation.