Kerala State Electricity Board to set up Athirappally hydroelectric project(163 MW) located in Chalakudy river basin in Thrissur district of Kerala. The project envisages construction of a reservoir on Chalakudy river with 23m high gravity dam located at 3 km. downstream of the existing Poringalkuthue left bank power house. A surface power house on the left bank of Kannankuzhy Thodu 2 Kms. upstream of its confluence with Chalakudy river having an initial installed capacity of 2 units of 80 MW and a dam toe power house with capacity of 3 MW to utilise the water release for maintaining the water falls and rapids.138 ha. forest land involve in the project out of that 123.20 ha. require permanent diversion.