Papanasam Dam
The Papanasam dam also known as Karaiyar Dam is located away from Tirunelveli in Tamil Nadu, India. The dam is used to irrigate of paddy fields in Tirunelveli and Tuticorin districts.Papanasam Hydroelectric Power Plant has a design capacity of 28 megawatts. It has four Francis turbine-generators. The first unit was commissioned in 1944 and the last in 1951. It is on Thambirabarani river. It is operated by Tamil Nadu Generation and Distribution Corporation Limited.