FCAS



Very fast FCAS markets continue to grow

Six observations from a chart summarising how capacity, availability and volumes enabled have changed over the early phase of the very fast FCAs markets, since commencement on October 9, 2023.




Very Fast Raise and Lower FCAS markets to start on 9 October 2023

Very Fast FCAS, because it operates at a faster timescale, can arrest the rise or fall in frequency more rapidly than the current fast service and therefore provides an avenue to mitigate the costs of needing to procure increasing levels of the existing fast service. The markets (raise and lower) are going live on 9 October 2023.






Who drove FCAS on the island

Close to $31.5M of revenue was generated in the FCAS markets in SA over the seven days that the region was frequency separated from the rest of the NEM. This follow-on from Allan O’Neil’s earlier article investigates this final figure.


FCAS driving the island?

Guest author, Allan O’Neil, contributes his first article with respect to the islanding event in South Australia of November 2022 (in this article taking a look at FCAS market outcomes in South Australia).