Gulf Development

Gulf Development (Thai: กัลฟ์ ดีเวลลอปเมนท์) it is a public limited company in the form of a Holding company, engaged in three main business groups: energy business, infrastructure and utilities business, and digital business.

Gulf was incorporated as Gulf Energy Development Public Company Limited on August 19, 2011, expanding its business from Gulf Electric Company Limited (now Generating Electric Public Company Limited) and Gulf Holding Company Limited (now Land and Property Development Company Limited) and listed on the Stock Exchange of Thailand in 2017. Then in 2021, invested in Intouch Holdings Public Company Limited before merging into Gulf Development on April 1, 2025.

Gulf has Gulf VTP Co., Ltd. as its core company and also has other subsidiaries such as Gulf MP Co., Ltd., Independent Power Development Co., Ltd. and Gulf Solar Co., Ltd. There is also a Japanese joint venture company called Gulf JP Co., Ltd. If all subsidiaries are combined, there are 28 power plant projects with a total installed power generation capacity of 11,215.6 megawatts, making it the third largest power producer in the country (as of 2018).

Gulf Energy Development has its origins since 1990 when the government of General Chatichai Choonhavan at that time had a policy to reform the energy industry by changing from the original Electricity Generating Authority of Thailand that would build power plants and distribute all electricity by itself to opening up for the private sector to participate in bidding to build power plants for EGAT to purchase electricity from both large independent power producers and small power producers so that the public would have sufficient electricity at a low cost to the government.