Rangit Dam, which forms the headworks of the Rangit Hydroelectric Power Project Stage III, is a run-of-the-river hydroelectric power project on the Ranjit River, a major tributary of the Teesta River in the South Sikkim district of the Northeastern Indian state of Sikkim. The project's construction was completed in 1999. The project is became functional in 2000. The project was built at a cost of Rs 4922.6 million. The average annual power generation from the 60 MW project is 340 GWh with firm power of 39 MW.