Business Delhi cabinet approves rooftop solar power for housing societies Updated : September 25, 2018 08:11 PM IST Under the Renewable Energy Service Co (RESCO) model, the domestic consumer will not have to spend any money for the installation of solar panels. The cost of electricity generated through the solar power for the group housing society will be Rs 1 per unit. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.