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 is said to be named after a nobleman named Apong, who was killed while mediating the battle between two suitors of his daughter Saribu. Apo is various local languages mean "grandfather", "master", "grandson", and "wise elder". On May 9, 1936, Mount Apo was declared a national park with "Proclamation No. 59" by President Manuel L. Quezon, followed by "Proclamation No. 35" of May 8, 1966, then "Proclamation No. 882" of September 24, 1996. On February 3, 2004, the approval of "Republic Act No. 9237" established Mount Apo as a protected area under the category of "natural park" with an area