Kamuthi Solar Power Project is a solar park spread over an area of 2,500 acres (10 km 2 ) in Kamuthi , 90 km from Madurai, in the state of Tamil Nadu, India. The project was commissioned by Adani Power. [2] With a generating capacity of 648 MW at a single location, it is the world's second largest solar park. ABB commissioned five sub-stations to connect the solar park with the National Grid on 13 June 2016. The Kamuthi Solar Power Project was completed on 21 September 2016 with an investment of around ₹ 4,550 crore (US$710 million). The solar plant consists of 2.5 million solar modules, 380,000 foundations, 27,000 metres of structures, 576 inverters, 154 transformers, and almost 6,000 km of cables. Construction of the structures needed to mount the solar panels required 30,000 tonnes of galvanised steel. Around 8,500 workers installed an average of 11 MW of capacity per day to complete the project within 8 months. The entire solar park is connected to a 400 KV subs...