Supa Dam is the second largest dam in the State. This 101 Mtrs high and 332 Mtrs long concrete gravity dam is built across the Kali river in Joida Taluk of Uttara Kannada District. The power house at the foot of the dam has two electricity generators of fifty megawatt each. The electricity generated is supplied to different parts of Karnataka. This Dam used to produce Electrical power under KPC.