Bang Saphan II – Surat Thani II Line is a 500kV overhead line with a length of 217km from Bang Saphan II, Prachuap Khiri Khan, Thailand, to Surat Thani II, Changwat, Thailand.

The project, which is currently under construction, is expected to be commissioned in 2021.


Bang Saphan II – Surat Thani II Line is an overhead line that will be operated by Electricity Generating Authority of Thailand. The line will carry alternating current (AC) through double circuit cable.

Approximately $20.38m was financed by the authorities to undertake the construction works of the project.

The development of the Bang Saphan II – Surat Thani II Line project has been approved by the Energy Regulatory Commission, Thailand.

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Bang Saphan II – Surat Thani II Line project development status

The construction works on the Bang Saphan II – Surat Thani II Line project commissioning is expected in 2021.

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.