Wobbles in recent days, at Loy Yang A
A brief follow on article about Loy Yang A station, following the A4 unit trip yesterday, and unsuccessful return to service today.
Market Operations
System frequency drop with trip at Loy Yang A4 on Wednesday 14th August 2024
A short record of a coal unit trip around the time of a system frequency drop. on Wednesday 14th August 2024.
Wet weather in QLD brings reduced solar output during August 12 and 13, 2024
The wet weather in Queensland has impacted solar energy production.
Spot price volatility (in SA only?) on Tuesday evening 6th August 2024
A quick article about evening volatility (in South Australia only?) on Tuesday 6th August 2024
Evening burst of volatility across the NEM on Monday 5th August 2024
A slightly longer summary (compared to this morning's) of some evening volatility (across the NEM) on Monday evening 5th August 2024.
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.
Morning burst of volatility across the NEM on Monday 5th August 2024
A quick summary of some morning volatility (particularly SA, VIC and SA) on Monday morning 5th August 2024.
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.
An initial pass over ENERGY bids during price volatility of 30th July 2024 (focused on South Australia)
Five key takeaways arise from an initial inspection of energy bids on the 30th July 2024, where extended periods of high energy prices eventuated.
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.
Energy price volatility on 30th July 2024
Observations of price volatility on 30th July 2024.
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.
Rare NEM-wide price spikes on Monday July 29th 2024
Already this evening we’ve seen a rare occurrence of price spikes in all five NEM regions simultaneously.
Bout of high prices in SA on Sunday evening July 28th 2024
The South Australian region is seeing a run of high prices, starting just after 6pm this evening.
Trended NEM-wide % VRE over 12 days in June 2024
A short article in conjunction with GenInsights Quarterly Updates for 2024 Q2, trending NEM-wide % VRE over 12 days in June 2024.
Trended NEM-wide IRPM over 9 days in June 2024
A short article in conjunction with GenInsights Quarterly Updates for 2024 Q2, trending NEM-wide IRPM over 9 days in June 2024.
Will Tasmania see a new all-time maximum demand early next week?
Looking forwards to some tight supply-demand balance (and potentially record-breaking demand) for mornings early next week in Tasmania.
Has the past 7 days seen more Wind Farm output than ever before?
We've clocked over into Friday 26th July 2024 - here's a quick record of how wind yield from Wind Farms across the NEM has been on a sustained high the past week.