Sri Lanka awards rehab contract for two plants in Laxapana complex

Ceylon Electricity Board has awarded a 43 million euro (US$57 million) contract to Alstom Hydro to rehabilitate two of the five hydropower plants in Sri Lanka’s Laxapana hydropower complex.

Alstom Hydro signed the turnkey contract to rehabilitate the 52-MW Wimalasurendra hydro plant, built in 1965, and the 104-MW New Laxapana plant, built in 1972, in the Kelani River Basin.

Wimalasurendra’s two 26-MW Francis turbines and New Laxapana’s two 52-MW Pelton turbines are to be equipped with new governing systems, control systems, and brushless exciters. The Pelton turbines are to be equipped with new hooped runners, increasing their capacity to 57 MW each, for a New Laxapana plant capacity of 114 MW.

Commissioning of the upgraded equipment is set for spring 2013.

Alstom said the work would be performed during very short outage periods. It said any delays would affect national grid reliability, particularly at New Laxapana, which plays a key role in frequency regulation and power supply during peak demand, such as monsoon season.

Alstom supplied the project’s original equipment. The plants underwent a partial generator refurbishment in 2003.

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