Geography of the Philippines the Philippines, the Sierra Madre, stretching from Quezon province in the south to Cagayan in the north. 80 percent of the mountain range is tropical rainforest, which is diminishing from rampant illegal logging activity. The range serves as the eastern wall of Luzon Island that protects inhabitants from tropical cyclones usually coming from the Pacific Ocean. The largest plain of the nation is situated in the Central Luzon region and produces most of the national rice supply, earning itself the nickname ""Rice Bowl of the Philippines"". The plains encompass the provinces of Bulacan, Nueva Ecija, Pampanga, Tarlac and Pangasinan. South
Energy in the Philippines 13 natural gas generation facilities connected to the energy grid, 12 of which are in Luzon and one of which is in Cebu on Visayas. The Philippines also generates a significant amount of electrical energy from oil, albeit to a lesser degree than compared to coal and natural gas. In 2013, the Philippines sourced 5.97% of its energy from oil-based sources. As of March 2016, there were a total of 212 gas and diesel-powered facilities in the Philippines. The large number of oil-powered power plants is a result of a lower per plant output compared to coal and natural gas.