Fast Frequency Response Market - Local dispatch of Very Fast Contingency FCAS in QLD and SA regions

AEMO ELECTRICITY MARKET NOTICE

Following a review of the operation of the Very Fast FCAS market, from 25th June 2026 AEMO will increase the cap on dispatch of Very Fast Contingency FCAS in the QLD region from 250 MW to 300 MW, and in the SA region from 100 MW to 150 MW, during periods where islanding of these regions is considered credible.

No other changes to the dispatch of Very Fast FCAS or FCAS constraint equations will be made on this date.

For more information on the Fast Frequency Response (FFR) initiative, please visit:
https://www.aemo.com.au/initiatives/major-programs/fast-frequency-response

AEMO Operations