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Hongsa Power Plant
The Hongsa Power Plant, located in Sayabouly Province, is the largest thermal power station in Laos and a cornerstone of the nation's energy strategy. The facility is fueled by lignite extracted from an adjacent open-pit mine, making it a classic 'mine-mouth' power project. Geographically situated in northwestern Laos near the Thai border, the plant is ideally positioned for the large-scale export of electricity. With a total installed capacity of 1,878 megawatts, the station provides the majority of its generated power to the Electricity Generating Authority of Thailand (EGAT). The project reached full commercial operation in 2015 and is managed as a joint venture between Lao and Thai companies. In addition to generating significant export revenue, the plant has driven local infrastructure improvements, including road networks and community resettlement programs. Hongsa Power utilizes advanced flue-gas desulfurization and filtration systems to manage emissions from lignite combustion. It stands as a vital example of regional energy cooperation and Laos' ambition to be the 'battery of Southeast Asia'.
- Location: Laos
- Top sights: "New" Market · Hongsa Market
- Nearby: Luang Namtha (28 km)
Best time to visit & climate
The most pleasant time to visit is Jan, Feb, Nov.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °C | 18 | 21 | 23 | 25 | 25 | 25 | 24 | 24 | 24 | 23 | 21 | 18 |
| Rain mm | 14 | 5 | 29 | 68 | 134 | 124 | 211 | 241 | 152 | 61 | 19 | 12 |
📋 Practical info
Geography
Facts
- The total installed capacity of the Hongsa Power Plant is 1,878 megawatts.
- The facility consists of three generating units, each with a 626 MW capacity.
- Commercial operations for all units were achieved by the end of 2015.
- The power plant is fueled by lignite from a dedicated 60 sq km mining area.
- Approximately 1,473 MW of power is exported to Thailand via 500kV lines.
- The project is a joint venture involving Banpu Power and Ratch Group.
Explore nearby
Notable places around
Route planner — Car & Motorhome
Where do you start? We build the route here, with stops and country notes along the way.
© OpenStreetMap contributors · OpenRouteService
Sights in the town Hongsa Power Plant (2)
Sights nearby
Frequently asked questions
What is produced at the Hongsa power plant?
Where does the coal come from?
Is the power plant accessible to tourists?
How important is it for the region?
When should you visit the area?
Hongsa Power Plant: where is it located?
Hongsa Power Plant: what is there to see?
Hongsa Power Plant: when is the best time to visit?
Hongsa Power Plant: why is it worth visiting?




















