Development in 2011
Commenced Biomass Power Plant operations under the name Thachang Palm Oil Industry Co., Ltd.
Development in 2014
Commenced commercial electricity supply to the Provincial Electricity Authority (PEA) and incorporated Thachang Green Energy Co., Ltd.
Development in 2015
Thachang Bio Power Co., Ltd. signed a 3.4 MW Power Purchase Agreement (PPA) with the Provincial Electricity Authority (PEA) on 27 July 2015.
Development in 2017
Thachang Green Energy Co., Ltd. completed the transfer of the Biomass Power Plant business, together with all related agreements, from Thachang Palm Oil Industry Co., Ltd.
Development in 2019
Expanded investments into Municipal Solid Waste (MSW) Power Plant Projects, commencing with the first project in Sa Kaeo Province under Thachang Energy Solution Co., Ltd. (TES SKW). Subsequently, the Company expanded its investments to Chumphon Province through Thachang Energy Solution (Chumphon) Co., Ltd. (TES CPN) and to Ratchaburi Province through Thachang Energy Solution (Ratchaburi) Co., Ltd. (TES RBR).
Development in 2020
Incorporated Thachang Energy Solution (Prachinburi) Co., Ltd. (TES PRI) and Thachang Energy Solution (Chainat) Co., Ltd. to support the Company's expansion into municipal solid waste (MSW) power plant projects in Prachinburi and Chainat provinces.
Development in 2021
Incorporated Thachang Energy Solution (Ubon Ratchathani) Co., Ltd. (TES UBN) and Thachang Energy Solution (Tha Chin) Co., Ltd. to support the Company's expansion into Municipal Solid Waste (MSW) Power Plant Projects in Ubon Ratchathani and Samut Sakhon provinces.
In addition, Thachang Green Energy Co., Ltd. converted its legal status from a private limited company to a public limited company.
Development in 2022
Thachang Green Energy Public Company Limited was listed on the Stock Exchange of Thailand (SET) on 19 August 2022 under the trading symbol “TGE”.
TES TCN is the winning bidder and has been selected to invest, develop, and operate the municipal solid waste (MSW) disposal (waste to energy) project of Tha Chin Sub-district Municipality, Mueang Samut Sakhon District, Samut Sakhon Province.
Development in 2023
TES CPN signed a PPA with PEA for 4 megawatts on April 24, 2023.
TES SKW and TES RBR signed PPAs with PEA for 6 megawatts each on May 10, 2023.
TES CNT was selected from Nong Ma Mong Municipal Sub District to be winner of the tender as an investor in the construction and management of the municipal solid waste project located in Nong Ma Mong Sub District, Nong Ma Mong District, Chai Nat Province.
TES CNT signed a PPA with PEA for 6 megawatts on December 25, 2023.
TGE has been certified as a member of Thail Private Sector Collective Action Againt Corruption (CAC).
Development in 2024
Trakan Phuet Phon Municipality, Trakan Phuet Phon District, Ubon Ratchathani, awarded the contract to TES UBN to invest in and implement an fully-integrated municipal solid waste management project. The project expects an installed capacity of 9.9 MW.
Development in 2025
TGE received an “Excellent” (5-Star) Corporate Governance Rating (CGR)
from the Thai Institute of Directors (IOD).
TGE received an “Excellent” rating for the Annual General Meeting of Shareholders quality assessment (AGM Checklist) for the year 2025, from the Thai Investors Association.
TGE was selected as a Sustainable Stock and received an “A” rating under the SET ESG Ratings, based on a comprehensive sustainability assessment covering economic, social, and environmental dimensions, conducted by the Stock Exchange of Thailand.
TGE received the “Excellence ESG Performance” Award from Bank of Ayudhya Public Company Limited at the “Krungsri ESG Awards 2025: Minute of Changes”.
TGE received the “Sustainability Disclosure Acknowledgement” Award for the year 2025 from the Thaipat Institute at the Sustainability Disclosure Award 2025.
Development in 2026
TGE received its first renewal of certification as a member of the Thai Private Sector Collective Action Against Corruption (CAC).