The Colombo Port Power Station is a, permanently moored at the Colombo Harbour, in the Western Province of Sri Lanka. After the plant's 15-year license expired in 2015, the Ceylon Electricity Board purchased the powership in a controversial deal. It was previously owned by Colombo Power Private Limited, a 50-50 joint venture by Mitsui Engineering & Shipbuilding and Kawasho Corporation.The powership consists of four units, totalling the plant capacity to. Although the plant is estimated to generate per annum, the actual average generation is, above initial estimates. The barge was built by Sasebo Heavy Industries, with funding from the Japan Bank for International Cooperation.