Surathani – Phuket Line is a 500kV overhead line with a length of 110km from Surathani, Surathani, Thailand, to Phuket, Phuket, Thailand.

Construction works on the Surathani – Phuket Line started in 2019 and the project was commissioned in 2020.


The Surathani – Phuket Line, which is an overhead line, is being operated by Electricity Generating Authority of Thailand. The Surathani – Phuket Line is a new line. The line carries alternating current (AC) through single circuit cable.

Surathani – Phuket Line project development status

The development of the Surathani – Phuket Line project was approved by Energy Regulatory Commission, Thailand in 2019 and the project works were completed in 2020.

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Contractors involved

Tata Projects was appointed by Electricity Generating Authority of Thailand to supply the cables for executing the 500kV Surathani – Phuket Line.

About Electricity Generating Authority of Thailand

Electricity Generating Authority of Thailand (EGAT) is a state-owned power utility. It generates, procures, transmits, and distributes electricity. The authority produces energy using hydro, coal, natural gas, wind, solar, geothermal, diesel, fuel oil and palm oil, among others. EGAT procures electricity from neighbouring countries and domestic IPPs and SPPs on wholesale basis. It supplies energy to the Metropolitan Electricity Authority, Provincial Electricity Authority, legal power users, and neighbouring utilities.


All publicly-announced T&D Line & Substation projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects is sourced through secondary information sources such as country specific utility players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.