Gremlins in the dispatch process? (Thursday 5th September 2024)
Apparently some IT issues within the AEMO are causing issues with the AEMO dispatch process – on Thursday 5th September 2024.
Articles by Paul McArdle
One of three founders of Global-Roam back in 2000, Paul has been CEO of the company since that time.
As an author on WattClarity, Paul's focus has been to help make the electricity market more understandable.
A long-range trend of changing times for “Gate Closure #2”
A few questions (from several different directions) gave us pause to run this quick query of how ‘Gate Closure #2’ times (in the rebid process) have changed over time.
Which Solar Farm DUIDs were curtailed at 12:35 on Sunday 1st September 2024?
On Sunday 1st Sept 2024, aggregate curtailment of Solar Resource from (Semi-Scheduled) Large Solar across the NEM reached 79.2% … in this follow-on article we explore the question ‘WHICH Solar Farms were curtailed … and WHY?’
Comparing winter temperatures at Archerfield over 19 years of history
A couple days after the end of ‘winter 2024’ the temperature has dropped by 10 degrees in Archerfield. We take a look at how temperatures in Archerfield through winter 2024 compare with the 18 preceding years to see how remarkable was the ramp in temperatures at the end of August 2024.
Curtailment of Wind Resource (i.e. Semi-Scheduled) across the NEM reaches 53.6% on Sunday 1st September 2024
Whilst not reaching the heights of curtailment of Semi-Scheduled Large Solar, on Sunday 1st September 2024 curtailment of Wind yield across the NEM reached as high as 54%.
Curtailment of Solar Resource from (Semi-Scheduled) Large Solar across the NEM reaches 79.2% on Sunday 1st September 2024
On Sunday 1st September 2024 curtailment of Large Solar yield across the NEM reached as high as 79.2%.
High wind yield in recent days … but *not* a new all-time record
A look back over the strong wind farm production over recent days, to Monday 2nd September 2024.
AEMO extends ‘Severe Weather’ warning from TAS into SA and VIC
Overnight into Monday 2nd September 2024, the AEMO has extended its Severe Weather warning into SA, and then into VIC.
‘Minimum Demand’ point for NSW drops 226MW from last year’s low point (on Sunday 1st September 2024)
On Sunday 1st September 2024 the ‘minimum demand’ point in NSW ratcheted lower still – a drop of 6% on the preceding ‘lowest ever’ point set just over 10 months ago.
Many localised network outages across Tasmania, on Sunday 1st September 2024
With the Severe Weather persisting in Tasmania into Sunday 1st September 2024, reports suggest ~5% of the population without power due to many localized network outages.
What’s the 2024 ESOO say about Data Centres?
For ease of future reference (with more analysis coming – time permitting) we’ve extracted what we can find in the 2024 ESOO about Data Centre electricity consumption, and growth forecasts.
‘Widespread abnormal conditions’ in Tasmania, on Saturday 31st August 2024
Saturday 31st August 2024 also sees AEMO issue a Severe Weather Warning for Tasmania
‘Market Demand’ in NSW briefly drops to 3,650MW on Saturday 31st August 2024 – a new all-time low point
Saturday 31st August 2024 saw warm temperatures and high rooftop PV yield contribute to a new low point for ‘Market Demand’ in NSW
Return to service commences for Callide C4 on Friday 30th August 2024 (after 1193 days offline)!
It’s Friday 30th August 2024 and Callide C4 has commenced its return-to-service (and re-commissioning), after an outage lasting 1193 days
Cumulative Price in VIC drops negative (but *not* the first time ever!) on Thursday 29th August 2024
On Thursday 29th August 2024 the Cumulative Price in Victoria dropped below $0/MWh … but Dan Lee noted not for the first time ever in any region.
Might get close to a new all-time record for wind production late this weekend?
An article from Weatherzone prompts a look (via ez2view) at forecast aggregate Wind Farm Capability in the coming days – we might come close to a new record.
AEMO calls for tenders for supply of RERT (in South Australia) for summer 2024-25
After releasing the 2024 ESOO on Thursday morning 29th August 2024, in the afternoon the AEMO called for tenders for supply of RERT (Reserve Trader) in South Australia for summer 2024-25.
What’s the 2024 ESOO assume, in terms of coal unit performance?
In this article we explore the 2024 ESOO, and linked documents, in terms of what’s assumed for coal unit EFOR – and why, in the light of recent improvements in coal unit performance (compared to 2022).
Once through the ESOO (for 2024)
After an initial skim through the 2024 ESOO, here’s (the start of) a collation of thoughts that it triggers.
AEMO releases 2024 ESOO on Thursday 29th August 2024
On Thursday 29th August 2024 the AEMO released the 2024 ESOO (Electricity Statement of Opportunities) for the NEM. Here’s where to get it, and also links to relevant news media articles that we’ve seen.