QLD’s turn at new lowest point for minimum demand (in ordinary times)
It's Queensland's turn today, with a further ratchet lower in minimum demand on Sunday 17th September 2023.
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New ‘lowest ever*’ points for Market Demand–in Victoria and NEM-wide on Saturday 16th September 2023 (and record high IRPM)
A quick capture of an unfolding situation on Saturday 16th Sept 2023 - seeing record low demand (in VIC and NEM-wide), and highest ever IRPM.
Extended long-term trend of wind production statistics (to the end of August 2023)
For a couple of reasons, I've updated/extended the trend of monthly aggregate statistics for wind farms across the NEM ... now out till the end of August 2023.
AEMC proposes to progressively increase MPC to $22,800/MWh by 1 July 2027 (amongst other changes)
A short note about the AEMC's draft determination, published today.
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...
Long or short on storage? A look into price signals for duration
Dan Lee looks into utility-scale storage in Queensland - including the need for megawatt-hours, the state of the build-out, and the current market price signal for duration.
An ESOO snippet – how effective are different technologies at enhancing reliability?
In his second article about the 2023 ESOO, guest author Allan O'Neil takes a look at what the AEMO has published with respect to various options for firming...
NSW Government to explore option for (relatively short) extension to operations at Eraring Power Station … amongst other initiatives
Yesterday, the NSW Government released both the Marsden Jacobs report (NSW Electricity Supply and Reliability Check Up) and the Government’s Response.
Stock up on candles?
Last Thursday (31st Aug 2023) the AEMO published the ESOO 2023, including forecasts of some possibility of unserved energy in Victoria and South Australia this coming summer 2023-24...
Spot price volatility in the evening of 4th September 2023
Spot price volatility was experienced in Queensland and New South Wales on 4th September 2023.
It only took a day (after release of the 2023 ESOO) to get to RERT Tenders for summer 2023-24
Yesterday (Thu 31st Aug) we saw the release of the 2023 ESOO. Today (Fri 1st Sept 2023) AEMO calls for tenders for supply of 'Reserve Trader' in VIC...
The 2023 ESOO again prompts the question … ‘what’s the contingency plan’?
The 2023 ESOO contains some some reporting (and data) about one particular contingency plan ... delaying retirement of existing thermal generators (with Eraring a case in point).
Here’s 7 Observations that jumped out to me in a first skim of the 2023 ESOO
Apart from a distraction early this morning, I've invested some hours today in review of the 2023 ESOO. Here's 7 initial observations that jumped out at me.
With the 2023 ESOO report, some real head scratching about Demand Response!
The 2023 ESOO contains some data, and comments, about Demand Response that have us scratching our heads...
With the 2023 ESOO report, different views about which USE figure should the AEMO have led with?
Here's my view on whether Figure 2 should have preceded Figure 1 (with respect to projections of unserved energy ... USE) in the 2023 ESOO.
The 2023 ESOO report shows coal unit EFOR is still a significant factor
One observation about the 2023 ESOO is that EFOR (equivalent forced outage rate) for coal and large gas units is a large and growing challenge.
The 2023 ESOO report clarifies why the transmission model only includes ‘System Normal’ – and why it’s a simplification
One observation about the 2023 ESOO is that AEMO is has highlighted the set of constraints modelled is only 'System Normal'.
The 2023 ESOO modelling provides a more accurate real world depiction of Wind Farm limitations at high temperatures
One observation about the 2023 ESOO is that AEMO is now modelling (more accurately) the high temperature degradation on wind farm performance.
AEMO releases 2023 ESOO on Thursday 31st August 2023 (Australia’s NEM is perched on the edge)
AEMO notes that 'Australia's NEM is perched on the edge' in the 2023 ESOO, released today (Thu 31st Aug 2023)
Power Surge on 30th August 2023 affects Azure Services – and hence AEMO services (and GR services)
A quick status update, early on Thursday 31st August 2023, about issues at Azure (caused by a power surge) that has been affecting AEMO (and our) systems.