Teesta Low Dam–IV power station (4X40 MW) is a run of the river scheme with diurnal storage for peaking purpose. It is located at about 350 m upstream of Teesta Kalijhora confluence on NH-31A and 18.3 Km downstream of Teesta Bridge near Teesta Bazar village in Darjeeling district of West Bengal. The project comprises of a 45 m high dam with 4 penstocks of 45 m length and 7 m diameter each. The surface power house with installed capacity of 160 MW houses 4 units of 40 MW capacity each designed to operate under the net rated head of 25.05 m and designed to generate 717.717 million units in a 90% dependable year with 95% machine availability. Unit I, II, III and IV were commissioned in the month of February, March, July and August 2016 respectively. The state of West Bengal is the sole beneficiary of this power station. With the construction of the project the area is also benefitted by development of infrastructure, education, medical facilities and employment avenues.