Odisha Electricity Regulatory Commission (OERC) has approved the standard, and supplementary power sale agreement (PSA) executed between the Solar Energy Corporation of India (SECI) and Grid Corporation of Odisha (GRIDCO). The PSAs are for the 500 MW solar projects under the manufacturing-linked and interstate transmission system (ISTS)-connected solar program (Tranche- I). The power will be procured to fulfill the renewable purchase obligation (RPO) of GRIDCO.