WRPC clarifies mandatory BESS action at 49.5 Hz after Khavda event
The Western Regional Power Committee (WRPC) has clarified that Battery Energy Storage Systems (BESS) operating in charging mode must either switch to discharging or disconnect at 49.5 Hz, following a non-compliance observed during the May 13, 2026 grid disturbance at Khavda. The 180 MW/360 MWh Charal BESS, operated by IndiGrid, remained connected while charging at…