Sidrapong Hydel Power Station
Sidrapong Hydroelectric Power Station (a.k.a. Sidrapong Hydel Power Station), located  from Darjeeling town, is the oldest hydroelectric power plant in India. Opened on 10 November 1897, its original capacity was 2 × 65 kW, which was expanded to a total 1000 kW in 1916.  Having reached the limit of the water supply, the equipment was replaced in 1931 for triple-phase transmission.