Abstract CREDA has installed the On-Grid Solar power plant of 1.1MWp capacity at capital complex Naya Raipur (C.G.) INDIA. Economic analysis has been done at Mantralaya buildings, regarding generation of electricity from solar power plant, electricity exported to grid, electricity utilized in mantralaya buildings, electricity imported from CSEB in KWh, amount of imported power as electricity bill, rebate for exported power in Rs.(As per electricity bill) and the total payable amount. As more attention is being focused on the development of renewable energy resources widely in Chhattisgarh state, technical and economic assessment has been done. These assessment are based on the field and the actual performances of the renewable energy conversion system. This study represents the economic analysis of 1.1MWp Capacity installed at capital complex Naya Raipur. [1] Keywords: Solar Photovoltaic, Economic Analysis, Renewable energy sources, Energy policies, Grid connected system