W H Hill is a steam turbine power generation facility located in Hilo, Hawaii, with an operating capacity of 35.5 megawatts. The plant is situated within the NERC Region of Hawaii and operates under the jurisdiction of the Hawaiian Electric Company. It is managed by the Hawaii Electric Light Company, which also serves as the majority owner. The facility is regulated and is part of the Hawaiian Electric Industries holding company. The primary fuel source for the plant is oil, ensuring a reliable energy supply for the region.