Due to flash floods in the Teesta Basin in the intervening night of 3rd and 4th October 2023, all the bridges downstream to Teesta-V Hydropower Station up to Tarkhola/ Pamphok have been either submerged or washed out – thus severely affecting commutation and communication in these areas. The flood water over-topped the Dam of Teesta V Power Station (510 MW). All connecting roads to the project sites as well as parts of residential colony have been severely damaged. Presently, the power station is under shutdown and not generating electricity. NHPC had timely evacuated the manpower on all its projects and ensured that they are shifted to safer places. However, one casualty is reported from Teesta V power station.
Ongoing works of under construction hydro project Teesta VI (500 MW) of NHPC have been disrupted. The flood water had entered into power house and transformer cavern. Bridges connecting right and left banks at the barrage as well as Power House have been washed out. Two crane operators working at the project site are reported missing. All efforts are being made to trace them.
No major damages have been observed in TLDP-III (160 MW) (Teesta Low Dam – III Hydropower Plant) and TLDP-IV (132 MW) power stations located in the downstream West Bengal state. Both the power stations are safe but kept in shut down condition due to heavy siltation brought along with the flood water.
The quantum of damage at all the projects sites will be assessed in detail after the water level recedes. NHPC is making all possible efforts with the help of the state government to mainatain essential commodities supply in the affected areas.
