Upper Kotmale is a 150MW hydro power project. It is located on Mahaweli river/basin in Central, Sri Lanka. The project is currently active. It has been developed in single phase. The project construction commenced in 2006 and subsequently entered into commercial operation in 2012.

Project Type Total Capacity (MW) Active Capacity (MW) Pipeline Capacity (MW) Project Status Project Location Project Developer
Hydropower 150 150 Active Central, Sri Lanka Ceylon Electricity Board


The project is developed and owned by Ceylon Electricity Board.

Upper Kotmale is a run-of-river project. The hydro reservoir capacity is 2.5 million cubic meter. The gross head of the project is 491m. The penstock length is 793m. The project generated 409 GWh of electricity. The project cost is $475m.

The hydro power project consists of 2 turbines, each with 75MW nameplate capacity.

Development Status

The project construction commenced in 2006 and subsequently entered into commercial operation in 2012.

About Ceylon Electricity Board

Ceylon Electricity Board (CEB) is a power utility that generates, transmits and distributes electricity. The utility generates electricity using thermal, wind and hydro sources. It purchases power from the private IPPs to distribute across Sri Lanka. The company develops and maintains coordinated and economical system of electricity supply across Sri Lank. It provides account and bill payment services through its online website. The company caters to domestic, commercial, residential, industrial, general purpose and street lighting customers. CEB is headquartered in Colombo, Sri Lanka.


All power projects included in this report are drawn from GlobalData’s Power Intelligence Center. The information regarding the project parameters is sourced through secondary information sources such as electric utilities, equipment manufacturers, developers, project proponent’s – news, deals and financial reporting, regulatory body, associations, government planning reports and publications. Wherever needed the information is further validated through primary from various stakeholders across the power value chain and professionals from leading players within the power sector.