Section 2(1)(p) in The U.P. Electricity Regulatory Commission (Promotion of Green Energy Through Renewable Purchase Obligation) Regulations, 2010
(p)"Renewable energy sources" means renewable electricity' generating sources such as small, hydro, wind, solar, biomass, bio-fuel co-generation (including bagasse based co-generation), urban or municipal waste and such other sources as recognized or approved by MNRE or State Government;