Operating Reserve – Supplemental

Generation or load available to serve load within the Disturbance Recovery Period.

Last Updated:  June 18, 2025

Definition by NERC

Source:

The portion of Operating Reserve consisting of:

  • Generation (synchronized or capable of being synchronized to the system) that is fully available to serve load within the Disturbance Recovery Period following the contingency event; or
  • Load fully removable from the system within the Disturbance Recovery Period following the contingency event.