The Helios Solar Power Plant is a 132.5 MW solar power plant in Cadiz, Negros Occidental, Philippines. Upon its completion, the facility located in a 176-hectare (430-acre) land in Hacienda Paz, Barangay Tinampaan and is the largest solar power facility in Southeast Asia upon its commissioning. It is considered to be the biggest in Southeast Asia and the 7th largest in the world.