frequency island


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.













Surviving on the island – again

Another islanding event separated the SA region from the rest of the NEM yesterday (Monday, 2nd of March). Allan O’Neil investigates what happened before the event and possible causes.


Reviewing the ‘accelerated accidental experiment’ thrust on SA during the islanding (31st Jan to 17th Feb) – a 1st review

As time has permitted, I’ve invested some time to prepare this first stage of a review of what went on during the period from 31st Jan 2020 to 17th Feb 2020 – a period during which the South Australian region formed its own frequency island following the transmission line damage. A period we’ve called an ‘accelerated accidental experiment’.