Lake Mainit is a 25MW hydroelectric power project located in the Province of Agusan del Norte Province, Mindanao, Philippines. Berkeley Energy, through its portfolio company Agusan Power Corporation, developed the project and is currently undertaking the late-stage construction of the project. The project is expected to reach commercial operations by the 3rd quarter of 2021.

The project uses an intake structure to draw water from Lake Mainit and comprises of a 3km tunnel, surge tank, penstock, powerhouse, tailrace structure, turbines, and generator. Voith India has supplied the E&M equipment for the project. Once operational, the project will support the local grid with additional power supply while also providing some measure of flood control.

The project activity includes the planting of endangered tree species such as Narra (Philippine National Tree) in partnership with the local Mamanwa Indigenous Cultural Community and the establishment of a native hardwood tree plantation. A coral gardening activity has also been initiated. ”