Ratch Group Public Company Limited, through its subsidiaries, engages in generation and sale of electricity and steam in Thailand, Australia, Singapore, Republic of Indonesia, and internationally. The company operates through four segments: Domestic Electricity Generating, Renewable Energy, International Power Projects, and Domestic Related business and Infrastructure. It generates electricity through natural gas, coal, and fuel oil, as well as solar power, wind power, biomass, hydropower, and biomass renewable projects. The company is also involved in power plant operation and maintenance services; provides technician recruitment services; imports and sells liquefied natural gas; rental of fiber optic communications networks; and invests in the power energy, solar PV floating system, and power energy businesses. The Company was incorporated in 2000 and is headquartered in Nonthaburi, Thailand.