Construction of Sri Lanka’s largest single-site solar power plant at Siyambalanduwa has reached 20% completion, Project Director Chamika Perera said, with plans to install 200,000 solar panels on a single-axis tracking system on a 500-acre site in the Ampara district.
The 100MW project began construction in September 2025 under the patronage of President Anura Kumara Dissanayake and represents a Rs. 45 billion investment, Newswire reported, citing remarks by Mr. Perera to reporters at the site. He said the facility is being built to international standards and is expected to add 100 megawatts of capacity to the national electricity grid on completion.
Single-axis tracking allows panels to follow the sun across the sky during the day, raising yield relative to fixed-tilt installations of equivalent nameplate capacity. The site’s size, panel count and the announced investment make it the largest publicly disclosed solar build under the current procurement cycle.
The build is one of several large utility-scale renewables now in execution. Power and Energy Deputy Minister Arkam Ilyas earlier this month said the government was targeting more than 300MW of new wind and solar capacity for the national grid within 18 months, and the Cabinet has separately approved seven solar projects awarded under the standalone procurement programme. WindForce is meanwhile financing a separate Siyambalanduwa solar-plus-battery project with an IFC USD 18 million loan.
Source: Newswire — Sri Lanka’s largest 100 MW solar project reaches 20% completion.
