Services available to be utilised to maintain and/or restore System SecurityThe ability to continue operating the Power System within de... where one or more contingency events impact Power SystemA critical societal System that, in the case of GW-scale gri... operations. This may include Real PowerMeasured in MW, is the component of electrical Power that is... capacity, Reactive PowerMeasured in MVAR, sustains the electrical field in Alternati... capacity and Interruptible LoadRefer to Flexible Resources (Distributed). arrangements.