AEMO changes mind, and directs Murray instead … but this was also short-lived?!
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!
system strength
AEMO issues directions to units at Jeeralang Power Station, for System Strength in Victoria (Wednesday 15th October 2025)
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.
A quick review of AEMO direction for System Strength in NSW back on Thu 28th August 2025
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.
AEMO notes possible early-morning direction in NSW on Thursday 25th September 2025
Worth calling out MN129729 published on Wednesday 24th September 2025 at 14:29 about possible early-morning intervention in NSW for System Strength reasons
AEMO oscillates warnings – possible need to intervene in NSW on Thu 25th Sept 2025 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.
Four answers we received during the 2025 Clean Energy Summit in Sydney this week
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 released on Monday 14th July 2025
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.
AEMO notes ‘Update to system strength requirements in North Queensland’ to cater for 0 x Gladstone units online
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...
With YWPS1 and LYA2 back online, Victorian directions for System Strength cancelled
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.
Why the directions (to 4 units) with 6 coal-fired units still online in Victoria?
We (and others) wondered, why the direction (especially for 4 units) to replace the System Strength from the ‘missing’ coal units?
AEMO directs 4 units on in Victoria, to cover System Strength shortfall
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.
AEMO directions for System Strength in Victoria, on Thursday morning 24th October 2024
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...
Eraring Power Station closure delayed by 2 years (or maybe 4?)
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.
System Strength considerations for NSW via Market Notices … a low point reached in 2023 Q4
AEMO points to the TransGrid document from Wed 14th Feb 2024 'NSW Synchronous Generation - interim advice for System Normal requirement'.
Forecast low System Strength of concern in NSW for Tuesday 14th November 2023 … first time ever?
A quick note about a forecast by AEMO of shortfall in system strength in NSW region for Tuesday 14th November 2023.
System Strength constraints strike again in northern QLD – this time on Wednesday 6th September 2023 (Part 1 of Case Study?)
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...
Engineering the transition and control of electricity
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...
AEMO reports on (and webinar about) System Strength, Inertia and NSCAS
Three other reports released by AEMO on 1st December 2022 will also make for interesting reading.
Who gets to run when everyone bids the same? A crash course in disorderly bidding and tie-breaking
Marcelle explores the little-understood concept in NEM dispatch of the tie-break principle, using the new 'Constraint Dashboard' widget in ez2view.
Interim boost to wind and solar in South Australia from ElectraNet’s new Synchronous Condensers
From 10:00 today (Friday 10th September 2021), ElectraNet’s new synchronous condensers (which have been under testing) will be deliver a boost to Semi-Scheduled units in South Australia.