It's day 1 of All Energy 2025 today (Wednesday 29th October 2025) , and the day will have already started - but I thought it would be topical to note another direction for System...
Less than an hour after directing Jeeralang (for System Strength in Victoria), AEMO changes its mind and directs Murray instead. Though this was also short-lived!
As AEMO had telegraphed yesterday, just after 08:00 (NEM time) on Wednesday 15th October 2025, the AEMO issued Directions to various units at EnergyAustralia’s Jeeralang Power Station for System Strength in Victoria.
With the need for an early morning direction flagged for NSW on Thursday 25th September 2025, we take a quick look back 4 weeks ago (to Thursday 28th August 2025) when it happened.
Worth calling out MN129729 published on Wednesday 24th September 2025 at 14:29 about possible early-morning intervention in NSW for System Strength reasons
At 15:30 today (Tuesday 23rd September 2025) the AEMO flagged in MN129259 a possible need to intervene in NSW this Thursday 25th September 2025 due to forecast low System Strength.
Dan provides his review for ACES 2025, and tries to answer some of the questions we were pondering going into the conference.
Transgrid's Project Assessment Conclusions Report for System Strength assessed more than 100 individual solutions aimed at helping to meet its system strength obligations under the National Electricity Rules.
With all 6 x Gladstone units expected to be offline by the end of the day due to Industrial Action, very timely that AEMO MN124047 notifies the market that 'The system normal equations have...
On Friday morning 15th November 2024 we see the return to service of both YWPS1 and LYA2 - coincident with the cancellation of Victorian directions for System Strength.
We (and others) wondered, why the direction (especially for 4 units) to replace the System Strength from the ‘missing’ coal units?
On Thursday morning 14th November 2024, the AEMO has directed 4 different units to operate, to cover a potential system strength shortfall in the Victorian region.
It's not (yet?) a frequent occurrence, so worth noting that AEMO has directed 2 units at Murray to synchronise and operate as a synchronous condenser from 08:00 (NEM time) on Thursday 24th October 2024...
Thursday morning 23rd May 2024 saw a media News Conference and announcement that Eraring closure will be delayed until August 2027 ... or possibly as far out as August 2029.
AEMO points to the TransGrid document from Wed 14th Feb 2024 'NSW Synchronous Generation - interim advice for System Normal requirement'.
A quick note about a forecast by AEMO of shortfall in system strength in NSW region for Tuesday 14th November 2023.
On Wednesday 6th September many Semi-Scheduled (wind and solar) units in northern QLD were 'constrained down' for System Strength reasons. We take a first look as part 1 of a Case Study (more parts...
Kate Summers gave the keynote address for the "System and market design for a high renewables future" session at the CEC's Clean Energy Summit earlier this week. This article contains the full text of...
Three other reports released by AEMO on 1st December 2022 will also make for interesting reading.
Marcelle explores the little-understood concept in NEM dispatch of the tie-break principle, using the new 'Constraint Dashboard' widget in ez2view.