Philnew Hydro Power Corporation (PHPC) has awarded to Sta. Clara International Corporation (SCIC) the EPC contract of the 11.3MW run-off the river Tumauini (Upper Cascade Hydro Electric Power Plant Project, located at Pinacanauan De Tumauini River, Barangay Antagan Uno, Tumauini, Province of Isabela. The Engineering and Development Corporation of the Philippines (EDCOP) has been engaged to undertake the detailed engineering design of the project.
The main components of the project include a diversion weir, intake, desander, headrace tunnel, surgetank, penstock and powerhouse.