Ratch Group Public Company Limited, through its subsidiaries, engages in generation and sale of electricity and steam in Thailand, Australia, and internationally. It operates through four segments: Domestic Electricity Generating, Renewable Energy, International Power Projects, and Related Business and Infrastructure. The Company generates electricity through natural gas, coal, and fuel oil, as well as solar power, wind power, battery, and biomass renewable projects. It also offers 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.