a) There are two categories of RECs, viz., solar RECs and non-solar RECs.Solar RECs are issued to eligible entities for generation of electricity based on solar as renewable energy source, and non-solar RECs are issued to eligible entities for generation of electricity based on renewable energy sources other than solar.
b) The solar certificate shall be sold to the obligated entities to enable them to meet their renewable purchase obligation for solar, and non-solar certificate shall be sold to the obligated entities to enable them to meet their obligation for purchase from renewable energy sources other than solar.
Source: https://www.recregistryindia.nic.in/index.php/publics/faqs
