Section 7(7) in Bihar Electricity Regulatory Commission (Rooftop Solar Grid Interactive Systems Based on Net Metering) Regulations, 2015
7.2The Rooftop Solar power producer may install grid interactive Solar power system with or without battery backup.Provided that if the Solar Energy Generator, prefers connectivity with battery backup (full load backup/partial load backup) ,in all such cases the inverter shall have separate backup wiring to prevent the battery/Solar power to flow into the grid in the absence of grid supply and manual isolation switch shall also be provided.
