International competitive bids are invited for the construction of the 230 kV Ubon Ratchathani 3-Yasothon (77.5 km), the 230 kV Ubon Rachathani 3-Ubon Rachathani 1 (20.5 km) and the 230 kV Ubon Rachathani 3-Ubon Rachathani 2 (41.6 km) transmission lines associated with the transmission system development in the area of Ubon Ratchathani Yasothon and Amnat Charoen Provinces for power purchase from the Lao PDR Project.