- Business
- Absolute Clean Energy Public Company Limited (ACE.BK) Absolute Clean Energy Public Company Limited is a holding company engaged in the generation and distribution of electricity and steam from renewable and clean energy sources primarily in Thailand. The company operates through four main segments: Biomass Power Plants, including very small power producer (VSPP) biomass facilities and community power plants; Solid Waste Power Plants, such as municipal solid waste (MSW) and waste landfill projects; Natural Gas Power Plants, encompassing small power producer (SPP) cogeneration and hybrid facilities; and Solar Energy Power Plants, featuring rooftop solar, floating solar, and solar farms. It maintains 24 commercial operation date (COD) projects with a total capacity of 277.57 megawatts across locations in Chonburi, Khon Kaen, Surin, Nakhon Ratchasima, Roi Et, Nong Khai, Lampang, Ubon Ratchathani, Krabi, Buriram, Chachoengsao, Kanchanaburi, Samut Sakhon, and Kamphaeng Phet, while developing 65 additional projects exceeding 324.72 megawatts in capacity, including further biomass, MSW, biogas, solar rooftop, and solar farm initiatives in regions such as Ranong, Suphan Buri, Nakhon Pathom, Amnat Charoen, Lop Buri, Prachin Buri, Sisaket, Udon Thani, Chiang Rai, Ratchaburi, Phetchaburi, Nakhon Si Thammarat, Phitsanulok, Phichit, and Chainat.
Through numerous subsidiaries such as Asia Clean Energy Co., Ltd., Advance Clean Power Co., Ltd., ACE SOLAR Co., Ltd., and various Advance and Renewable Energy entities, the company supports its operations in electricity generation, steam distribution, engineering services, power supply maintenance, and provincial renewable energy projects.
Founded in 1979 and headquartered in Bangkok, Thailand, Absolute Clean Energy focuses on the renewable energy sector, targeting industrial customers, utilities, and communities under power purchase agreements (PPAs) with entities like the Electricity Generating Authority of Thailand.
In recent developments, the company rolled out five new solar farms in April 2024 and signed a Grant of Rights Agreement for investment projects in March 2025, advancing its green ambitions and portfolio expansion. TRIS Ratings affirmed its company rating at BBB+ with a stable outlook in 2025, reflecting solid operational progress amid ongoing development of over 602 megawatts in total capacity.