Sermsang Power Corporation Public Company Limited operates in the renewable energy business. The company produces electricity through solar farm and rooftop, wind power plants, biomass power plants, waste-to-energy power plants, etc. It operates solar farms and solar rooftop projects in Thailand, Japan, Vietnam, Mongolia, and Indonesia. The company distributes its electricity to state and publicly traded utility corporations and industrial users. It also provides investment and consultancy services. The company was founded in 2010 and is headquartered in Bangkok, Thailand.