|Location||Papanasam, Tirunelveli District, Tamil Nadu|
|Dam and spillways|
|Length||744 ft (227 m)|
|Height||143 ft (44 m)|
|Height (foundation)||200 ft (61 m)|
|Total capacity||5.5×109 cu ft (126,263 acre·ft)|
|Operator(s)||Tamil Nadu Generation and Distribution Corporation Limited|
|Commission date||Unit 1: July 8, 1944
Unit 2: December 12, 1944
Unit 3: June 10, 1945
Unit 4: July 7, 1951
|Turbines||4 x 8 MW Francis-type|
|Installed capacity||32 MW|
The Papanasam dam is located 49 kilometres (30 mi) away from Tirunelveli in Tamil Nadu, India. Dam is useful to irrigate 86,107 acres (34,846 ha) of paddy field cultivated in Tirunelveli and Tuticorin districts.
Papanasam Hydroelectric Power Plant
Papanasam Hydroelectric Power Plant was a design capacity of 32 MW. It has four Francis turbine-generators. The first unit was commissioned in 1944 and the last in 1951. It is operated by Tamil Nadu Generation and Distribution Corporation Limited (TANGEDCO).