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Thailand — Energy Infrastructure

OverWatts maps 251 energy assets in Thailand across 13 layers — the 36th-largest mapped base of 157 countries. They include 111 power plants, 42 oil & gas fields and 36 pipelines. Operating generation capacity is 46.1 GW, led by gas at 74%. Refining capacity is about 540 kb/d.

The companies named on the most assets are PTT Public Co Ltd (32), Electricity Generating Authority of Thailand (24) and PTT Exploration and Production PCL (22), counting both ownership and operatorship. Half of Thailand's mapped assets in service predate 2005 (median commissioning year of the 186 with a known date), 38 came online in the past decade and the oldest still listed is Siam Cement Ta Luang Cement Plant, dating from 1948. 24 projects are under construction or proposed, led by South Bangkok power station (2.1 GW).

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251
Total assets
#36
of 157 countries
46.1 GW
operating · 111 power plants
540
Refining kb/d
54
LNG Mtpa
24
In construction / proposed

Operating generation capacity by fuel

Utility-scale sites of 100 MW and above. Distributed generation — rooftop solar especially — is outside the tracker, so this runs below national installed capacity.

Electricity generated by fuel · 2025

What the fleet actually produced — distinct from the installed capacity above.

Total 188 TWhDemand 225 TWhClean 17%Intensity 546 gCO₂/kWhNet importer 36.9 TWh

Ember · source · CC-BY-4.0

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Browse by asset class

Power grid 12,600 kmPower Plants 111Oil & Gas Fields 42Pipelines 36Cement Plants 17Iron & Steel Plants 12LNG Terminals 10Grid Storage 6Chemical Plants 6Refineries 3Export Terminals 3Coal & Uranium Mines 2Iron Ore Mines 2Data Centres 1

Under construction & proposed

Largest assets

Biggest owners & operators

Counts an asset once per company named as its owner or operator; a joint venture counts for each partner.

Frequently asked

How many energy assets does Thailand have?
OverWatts maps 251 in Thailand across 13 asset classes — the 36th-largest mapped base of the 157 countries covered.
How much electricity generation capacity does Thailand have?
About 46.1 GW operating across 86 plants, mostly gas 74%, coal 12% and hydro 8%.
Who owns Thailand's energy infrastructure?
PTT Public Co Ltd is named as owner or operator on the most mapped assets (32), followed by Electricity Generating Authority of Thailand (24), PTT Exploration and Production PCL (22) and Chevron Thailand Exploration and Production Ltd (13).
What energy projects are under construction in Thailand?
The largest under way or proposed are South Bangkok power station (2.1 GW), Surat Thani power station (1.4 GW) and Vajiralongkorn Pumped Storage hydroelectric plant (900 MW).