Acme Solar had placed a bid of Rs 2.44/kWh (3.55¢/kWh) for a 200 megawatt solar power project in the state of Rajasthan. India - based Acme Solar and Sun Power both secured 600 MW solar capacity in a reverse auction , which saw the country 's lowest - ever bid price of Rs ( $ 0.035 ) per MW . The 2 GW tender , won by the Solar Energy Corporation of India , also saw low bids from Shapoorji Pallonji , Hero Future Energies and Mahindra Susten , each of which secured 250 MW .
India - based Acme Solar and Sun Power both secured 600 MW solar capacity in a reverse auction , which saw the country 's lowest - ever bid price of Rs ( $ 0.035 ) per MW . The 2 GW tender , won by the Solar Energy Corporation of India , also saw low bids from Shapoorji Pallonji , Hero Future Energies and Mahindra Susten , each of which secured 250 MW .