Gulf Energy Development PCL is a Thailand-based holding company primarily engaged in the energy sector. The Company generates and sells electricity to the Electricity Generating Authority of Thailand (EGAT), as well as industrial users through Independent Power Producer (IPP) and Small Power Producers (SPP) programs. The Company sells electricity to the Provincial Electricity Authority (PEA) through the Very Small Power Producers (VSPP) program. The Company is also involved in the business of renewable energy, such as solar rooftops and biomass energy. The Company has investments in the natural gas distribution business.