Just after the working day started on Tuesday 11th November 2025 it appears that AEMO again suffered from some data glitch (similar to Thursday 6th November), in which:
1) Created (the appearance of) a rapid ramp in ‘Market Demand’ in the Victorian region … but which was not there in reality
2) Ramping up units to meet this (phantom) increase in demand
3) Which overcooked the system frequency, driving it well beyond the NOFB.
In this category there is a series of articles that explore.
In this article we take another step in trying to understand the source of the gremlins (on Thu 6th Nov 2025 and Tue 11th Nov 2025) that seemed to infect the dispatch process -...
Following two instances of apparent data glitches (injecting 'phantom demand' and) driving frequency high, here's a collation of some other times (we've written about) where similar has happened.
Three quick notes, after seeing the trip of Kogan Creek on Tuesday morning 11th November 2025.
In what seems to be a repeat of what happened last week Thursday 6th November 2025, some strange (and large) changes in 'Market Demand in Victoria appear to have driven a frequency excursion on...