Kalpong

Kaplong Hydroelectric Project (Kalpong Dam) is the largest dam of the Andaman & Nicobar Islands. Built across Kalpong river at Diglipur in the North & Middle Andaman district, the dam was completed in 2001.

It is a rock-fill and gravity type of dam with an storage capacity of 15,270,000 m3 (12,380 acre·ft) and having a reservoir area of 1,840,000 m2 (455 acres). The length of the dam is 139 m (456 ft) while the height is 31.5 m (103 ft).

Kalpong Hydroelectric Project has a capacity of 5.25 MW of electricity. It is the only hydro-electric project in the Andaman & Nicobar Islands. The project is expected to generate 14.83 million units of electricity annually.