Kotiyagala is a village in Sri Lanka, located in Monaragala District, Uva Province.
On 8 February 2024, a power purchase agreement (PPA) was signed between Rividhanavi Ltd. and the Ceylon Electricity Board (CEB) for a 100 MW ground-mounted solar power project in Siyambalanduwa.
On 6 September 2025, the Sri Lankan government began construction of the US$140 million Rividanavi Solar Power Park in Kotiyagala, covering a land area of . It marks the country's largest renewable energy project to date. The project is scheduled to be completed in 2027 and will contribute 100 MW of capacity to the national electricity grid.