AEMO forecasting an LOR2 condition for SA tomorrow evening September 10th, 2024
A quick look at our forecast convergence widget, with the AEMO currently forecasting an LOR2 in SA tomorrow evening.
Read MoreSeasonal Record of Events in the Market
Collections of events that we see happening in the NEM, categorised in terms of the seasons in which they occur.
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%.
Temperatures in the stratosphere may influence electricity supply
Stratospheric warming over Antarctica may have helped bring about the extended period of strong winds in the southern NEM regions.
‘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
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.
Weird & Wacky Winter Weather
With winter having a concerted last blast (or having launched straight into summer in northern Australia) it’s strange times indeed.
Curtailment (spillage) of Large Solar reaches 2/3 of total resource, on Saturday 24th August 2024
A short record of some large curtailment of Large Solar resource on Saturday 24th August 2024.
AEMO ends ‘East Coast Gas System Risk or Threat Notice’
This morning the AEMO revoked its gas supply warning notice that was issued in mid-June.
Watt scarcity?
Guest author Allan O’Neil examines some recent episodes of price volatility (particularly 30th July to 5th August 2024) and whether they were driven by a shortage of supply, or other factors.
Wet weather in QLD brings reduced solar output during August 12 and 13, 2024
The wet weather in Queensland has impacted solar energy production.
A look at storage levels at the Iona underground storage facility, August 2024
The role of gas for firming electricity supply, alongside general consumption, means gas storage levels at Iona continue to be critical in the helping to meet our current and future energy needs.
With the benefit of hindsight – or who’d be an auto-bidder?
Following on from earlier articles about price volatility on Tue 30th July 2024 (particularly in South Australia), guest author Allan O’Neil takes a closer look at the operation of battery units in South Australia.
A (very!) quick look at bidding behaviour (NEM-wide) over recent days
Curiosity drove us to take this initial (and very quick) look at bidding behaviour, NEM-wide, across the past 14 days in relation to recent NEM-wide price volatility.
Callide C3 offline until expected return to service on Monday 26th August 2024
A short initial article, 5 days after Callide C3 came offline again for another forced outage … during a period that’s seen multi-region spot price volatility.
Volatile prices, across all 5 regions, for the 3rd evening in a row
A quick snapshot of evening volatility across the NEM on Wednesday 31st July 2024.
Keep an eye on the Cumulative Price … especially in South Australia
Following recent market volatility, here’s a quick look at the current trend of Cumulative Price for each region.
How rare are simultaneous price spikes in all five NEM regions, like what we saw last night?
A short examination of some of the over-arching factors at play yesterday evening – where prices spiked above $3,000/MWh in all five regions simultaneously.