Ancillary Services

Ancillary Services is a graphical representation of the deployment and remaining availability of reliability products used to support the transmission of energy to Loads and the reliable operation of the Bulk Electric System. 

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This dashboard provides sparklines (small line charts) of Regulation Up (Reg-Up), Regulation Down (Reg-Down), Responsive Reserve (RRS), Non-Spinning Responsive Reserve (Non-Spin), and ERCOT Contingency Reserve Service (ECRS) over the past two hours, with each current value listed numerically at the right of each sparkline.

It also provides a graphical representation of system frequency over the past two hours. Ancillary Services are used to maintain frequency when it deviates from 60 Hz.