Power Plant Development Projects
EGAT’s new power plant development projects according to the Power Development Plan 2018-2037, Revision 1 (PDP2018 Rev.1) are as follows:
1. Thermal Power Plants
EGAT has developed thermal power plants in accordance with PDP2018 Rev.1 since 2018. The projects approved by the Cabinet and in the approval process are as follows:
1.1 Approved Projects
| Project | Contracted Capacity (MW) | Scheduled Commercial Operation Date | Fuel |
|---|---|---|---|
| Mae Moh Power Plant Replacement Project, Units 8-9 (Mae Moh Thermal Power Plant Project, Unit 15) | 600 | 2026 | Lignite |
| Total Capacity | 600 |
Remark: The project was approved by the Cabinet on May 24, 2022.
1.2 Projects Requesting Approval from the Cabinet
| Project | Contracted Capacity (MW) | Scheduled Commercial Operation Date | Fuel |
|---|---|---|---|
| Nam Phong Power Plant Replacement Project (Nam Phong Combined Cycle Power Plant, Block 3) | 650 | 2025 | Natural Gas |
| South Bangkok Power Plant Project (Addition) (South Bangkok Combined Cycle Power Plant Project, Blocks 5-7) | 700 (Block 5) 1,400 (Blocks 6-7) | 2026 2027 | Natural Gas |
| Surat Thani Power Plant Project, Blocks 1-2 (Phunphin Combined Cycle Power Plant Project, Blocks 1-2) | 700 (Block 1) 700 (Block 2) | 2027 2029 | Natural Gas |
| North Bangkok Power Plant Project (Addition) (North Bangkok Combined Cycle Power Plant Project, Block 3) | 700 | 2028 | Natural Gas |
| Total Capacity | 4,850 |
2. Hydropower Plants Downstream of Irrigation Dams
EGAT has developed hydropower plants downstream of irrigation dams with Royal Irrigation Department since 2007. Ten projects have been completed and are in commercial operation. On June 18, 2024, the Cabinet approved the construction of the following four projects:
| Project | Province | Contracted Capacity (MW) | Estimated Completion Date |
|---|---|---|---|
| Lamtakong Dam Hydropower Plant | Nakhon Ratchasima | 1.50 | 2025 |
| Lam Pao Dam Hydropower Plant | Kalasin | 2.50 | 2025 |
| Huay Mae Tho Dam Hydropower Plant | Tak | 1.25 | 2026 |
| Krasiew Dam Hydropower Plant | Suphan Buri | 1.50 | 2026 |
| Total Capacity | 6.75 |
3. Renewable Power Plants
A key project in 2024 was the 24 MW Hydro-Floating Solar Hybrid at Ubol Ratana Dam, Khon Kaen Province operated with the Energy Management System (EMS) and Battery Energy Storage System (BESS) to enhance continuous and efficient electricity generation. The Cabinet approved the project on March 14, 2023. It started the commercial operation on March 5, 2024.
EGAT plans to implement additional floating solar projects with a total capacity of 2,656 MW, which have been approved by EGAT Board of Directors and are in approval process of the Cabinet as follows:
3.1 Floating Solar Projects in the Approval Process of the Cabinet
| Project | Contracted Capacity (MW) | Scheduled Commercial Operation Date |
|---|---|---|
| Bhumibol Dam Floating Solar Project 1 | 158 | 2026 |
| Srinagarind Dam Floating Solar Project 1 | 140 | 2026 |
| Vajiralongkorn Dam Floating Solar Project 1 | 50 | 2027 |
| Total Capacity | 348 |
3.2 Floating Solar Projects Approved by EGAT Board of Directors
| Project | Contracted Capacity (MW) |
|---|---|
| Bhumibol Dam Floating Solar Project 2 | 300 |
| Bhumibol Dam Floating Solar Project 3 | 320 |
| Srinagarind Dam Floating Solar Project 2 | 50 |
| Srinagarind Dam Floating Solar Project 3 | 280 |
| Srinagarind Dam Floating Solar Project 4 | 300 |
| Vajiralongkorn Dam Floating Solar Project 2 | 40 |
| Ubol Ratana Dam Floating Solar Project 2 | 60 |
| Ubol Ratana Dam Floating Solar Project 3 | 200 |
| Ubol Ratana Dam Floating Solar Project 4 | 280 |
| Nam Phung Dam Floating Solar Project | 30 |
| Sirindhorn Dam Floating Solar Project 2 | 200 |
| Sirindhorn Dam Floating Solar Project 3 | 248 |
| Total Capacity | 2,308 |
3.3 Mae Moh Solar Farm Project, Phase 1, Lampang Province
The objective of Mae Moh Solar Farm Project with a contracted capacity of 38.5 MW is to reduce the use of power supplied from the transmission system of Mae Moh Mine, increase the proportion of renewable energy in EGAT’s electricity generation, and support Carbon Neutrality policy. The project is not intended for commercial purposes. It is scheduled to supply electricity to Mae Moh mining system by the end of 2025.