CHENNAI: The TVK govt on Monday announced a Rs 20,800-crore project to establish a 1,600MW new supercritical thermal power station in Tuticorin, along with a Rs 33,066-crore plan to overhaul Tamil Nadu’s power transmission network.Making the announcements under Rule 110 in the Assembly, chief minister C Joseph Vijay said the state needed world-class power infrastructure to meet its growing economy and rising electricity demand.The proposed Tuticorin project will comprise two 800MW units and will be implemented under the public-private partnership (PPP) model.