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Chokepoints
Grid Storage
Kathoon Pumped Storage hydroelectric plant
4th-largest grid storage in Thailand of 6 · top 57% worldwide (#542 of 965)
- Owner
- Electricity Generating Authority of Thailand
- Status
- proposed
- Capacity
- 780 MW
- Technology
- pumped storage
- Commissioned
- 2037
- Also listed as
- A power plant — this site generates as well as stores
Comparable grid storages · Thailand · 6 ranked
- #1Lam Ta Khong hydroelectric plant1.0 GW
- #2Vajiralongkorn Pumped Storage hydroelectric plant900 MW
- #3Chulabhorn Pumped Storage hydroelectric plant800 MW
- #4Kathoon Pumped Storage hydroelectric plant780 MW
- #5Srinagarind hydroelectric plant360 MW
- #6Bhumibol hydroelectric plant171 MW
Grid connection · within 50 km
- Nearest substation
- สถานีไฟฟ้าแรงสูงทุ่งสง
- Its voltage
- 500 kV
- Distance
- 38 km
- Strongest line nearby
- 500 kV
- Substations in range
- 2
Mapped grid infrastructure from OpenStreetMap, whose coverage is excellent in some regions and sparse in others. Nothing shown here means nothing is mappednearby — not that the site is unconnected. Lines are matched on a segment’s midpoint, so a corridor passing directly overhead can be missed; this under-reports rather than invents.
Co-located infrastructure · within 25 km
- Kathoon Pumped Storage hydroelectric plant0 m · Power Plant · 780 MW · hydro
On the interactive map
SOURCE: Global Energy Monitor · Global Integrated Power, March 2026 (CC BY 4.0)