HISTORY:
The Ponmudi Dam, in the Idukki district, State of Kerala, India, is a hydroelectric project constructed across the Panniar River, a tributary of the Periyar River which is the longest river in Kerala. Built in 1963, it has a length of 294 metres (965 ft). The hydropower component of the dam has an installed capacity of 30 MW with firm power of 17 MW, generating 158 GWh annually.The dam, located near Munnar on the Panniar River in the Periyar River valley in Kerala, is part of the basin of the West flowing rivers of the Tadri to Kanyakumari. The nearest city is Udumbanchola. Mattupetty to Ponmudi Dam is a distance of 39 kilometres (24 mi).