Mount Apo owner contract arrangement. Located in Barangay Ilomavis, Kidapawan City, North Cotabato is the "Mindanao Geothermal Production Field" with a power output of 108.48 MW, currently the only power plant of its kind in Mindanao. The Philippine National Oil Company geothermal plant supplies electricity to Kidapawan and its neighboring provinces, its completion boosted the city's economy. The Tudaya Hydropower Plants, located near the foot of Mount Apo on the Davao side (Sta. Cruz, Davao del Sur), is composed of two run-of-river type plants that will contribute to the energy needs of Mindanao by early 2014. The Sibulan Hydroelectric Power Plants have
Mount Apo of ; with two peripheral areas of and as buffer zones, provided for its management and for other purposes. Although a declared a Natural Park, the current climbing trails are littered with rubbish by irresponsible climbers, opening paths for soil erosion across the already denuded mountain sides. Some mountain and social climbing groups conduct climbs after the Holy Week/Easter, the peak climbing season, to clean the affected areas. In 1987, the National Geographic Society based in Washington, DC in the United States, published a book entitled, ""Our World's Heritage"", where Mount Apo was noted as a 'site of Word Heritage