Ofgem has granted urgent status to a Grid Code modification proposed by SSE to address an issue over the fault ride through requirements for generators. SSE raised the modification after National Grid Electricity System Operator (ESO) instructed generators to temporarily restrict their output in instances where they did not stay connected and continue operating during a “normal” fault. The ESO said it has seen a “growing number" of these incidents which present a "serious risk" to the power grid.