Power networks/Thailand

Country Information

Thailand (TH)
References
OpenStreetMap	2067731 2067731
Wikidata	Q869
Wikipédia	Thailand
Country characteristics
Continent	Asia
Population	66,188,503
Area	513,120 km2
GDP	495.3 B$
Language(s)	Thai
Electrical Network
Generation capacity	39,025 MW (OSM)
Power line length	22,064 km (OSM)
Frequency	50 Hz
Transmission lines voltages (kV)	500 kV, 230 kV, 115 kV
Data from Wikidata (last update 2025-09-13) and OpenInfraMap (last update 2025-09-13)

This page has been created through the power networks country page template. Check the template page for more information on how to complete it.

High-voltage Electrical Network

State of the map

TODO : Take a JOSM screenshot of the country current power network. More info in power networks country page template

Network description

Voltages and frequency

Frequency : 50 Hz

Network	Voltage	Comments	Appearance
Transmission	500000	bulk transmission voltage	tall double-circuit towers, suspension towers having V-shaped insulators. quadruple-bundle conductor
Transmission	230000	used on other major transmission lines	double- or quadruple-circuit towers, usually bundled conductor
Transmission	115000	subtransmission voltage	double-circuit towers or roadside power poles, usually double-bundle conductor

Operators

Operator	Network	Wikidata	Website	Wikipedia	Operating area	Information	Label	Taginfo
การไฟฟ้าฝ่ายผลิตแห่งประเทศไทย (Electricity Generating Authority of Thailand)	Transmission	Q3050569 WhatLinksHere	https://www.egat.co.th	Electricity Generating Authority of Thailand	nationwide		operator=การไฟฟ้าฝ่ายผลิตแห่งประเทศไทย operator:wikidata=Q3050569	operator=การไฟฟ้าฝ่ายผลิตแห่งประเทศไทย
การไฟฟ้าส่วนภูมิภาค (Provincial Electricity Authority)	Distribution	Q13013017 WhatLinksHere	https://www.pea.co.th	Provincial Electricity Authority	all of Thailand except Bangkok		operator=การไฟฟ้าส่วนภูมิภาค operator:wikidata=Q13013017	operator=การไฟฟ้าส่วนภูมิภาค
การไฟฟ้านครหลวง (Metropolitan Electricity Authority)	Distribution	Q13013018 WhatLinksHere	https://www.mea.or.th	Metropolitan Electricity Authority	Bangkok		operator=การไฟฟ้านครหลวง operator:wikidata=Q13013018	operator=การไฟฟ้านครหลวง

Interconnections

Neighbour country	Structure name	Year of commissioning	Technology	Voltage	Local end	Foreign end	OSM circuit	Notes
Malaysia	HVDC Thailand-Malaysia		HVDC	300000	Sadao Converter Station	Gurun Substation
Malaysia	Bukit Keteri-Sadao		AC	132000	Sadao High Voltage Substation	Bukit Keteri Substation

Planned projects

• ...

Data Sources

Source	License	Date	Suitable for OSM	Notes
Renewable Grid Integration Assessment	?	2018	?	-

Network statistics

Thailand has 324 power plants totalling 39,025 MW and 22,064 km of power lines mapped on OpenStreetMap (from OpenInfraMap, last update 2025-09-13)

Power line

From OpenInfraMap, last update 2025-09-13

Power Lines Voltage	Length
< 10 kV	0 km
10 kV - 25 kV	26 km
25 kV - 52 kV	0 km
52 kV - 132 kV	9,785 km
132 kV - 220 kV	0 km
220 kV - 330 kV	7,931 km
330 kV - 550 kV	4,213 km
> 550 kV	0 km
No voltage tagged	106 km
Total	22,064 km

Mapping process and community

Mapping success stories

TODO : Success stories are designed to highlight important contributions. Have you significantly improved the cartography of a country (added a new line, a power station, etc.)? Don't be shy, let us know below.

• Example : NAME [DATE YYYY-MM-DD]: My success stories in words.

Encountered problems and places to improve

• ....

Use of mapping strategies

TODO : Mapping strategies refer to Power networks/Guidelines#Mapping strategies. They are used for a methodical improvement of the OSM database. Once you have fully applied a strategy in this country, you should add or update your name, the date, the strategy, and a comment below. This way, other users can see whether it is worthwhile to carry out further investigations.

• Example : Search for "Unfinished major power lines" - last time applied by XXX [2025-MM-DD]
• .... - last time applied by XXX [2025-MM-DD]