Small (NEM Mainland) frequency wobble, on Thursday afternoon 7th November 2024
Perhaps contributing to the early start to price volatility in NSW this afternoon was the wobble in system frequency shown here?
Price volatility starts early, on Thursday 7th November 2024
An earlier-than-expected spike in spot price in NSW on Thursday afternoon 7th November 2024.
Possibility of volatility in QLD and NSW on Thursday evening 7th November 2024
A quick look in the morning of Thursday 7th November 2024 utilizing this collage of 4 different ‘Forecast Convergence’ widgets in ez2view at the 08:35 dispatch interval looking forward to this evening.
Early evening volatility in QLD and NSW on Wednesday 6th November 2024
Here’s a snapshot of NEMwatch at the 17:50 dispatch interval (NEM time) highlighting evening volatility in the QLD and NSW regions as we pass beyond sunset on this warm-for-November day.
Mainland frequency wobbles, on Wednesday 6th November 2024
A very short article for Wednesday 6th November 2024, such that we might follow up later, to note the following two wobbles in frequency in the mainland NEM today
Significant drop in ‘Market Demand’ in South Australia on Tuesday afternoon 5th November 2024
A short record of a significant drop of ‘Market Demand’ in South Australia on Tuesday afternoon 5th November 2024 … down 710MW (or 60% of the initial value) in 20 minutes.
The effect of the ‘S_PPT+SNPT+BLVR_220’ Constraint Equation on Monday 23rd September 2024 (Part 4 of a Case Study)
In Part 4 of this Case Study (with respect to spot price volatility in South Australia on Monday 23rd September 2024) we take a detailed look at the ‘S_PPT+SNPT+BLVR_220’ Constraint Equation, which was particularly meaningful in terms of dispatch outcomes…
LOR2 notices continue to flash for NSW and QLD for this Thursday 7th Nov 2024
A quick look at market notices and our forecast convergence widget in ez2view, to check in with projected tight market conditions this coming Thursday in NSW and QLD.
Frank Calabria speaks at CEDA, on Monday 4th November 2024
Frank Calabria (CEO of Origin) spoke at a CEDA Lunch in Sydney on Monday 4th November 2024. Here’s what he said.
Reviewing 12 dispatch intervals in South Australia on Monday 23rd September 2024 (Part 3 of a Case Study)
In Part 3 of this Case Study, we look specifically at the 12 dispatch intervals at the start of the ‘Evening blast of spot price volatility in South Australia on Monday 23rd September 2024’ … roughly 6 weeks ago.
AEMO issues forecast MSL2 for VIC on Sunday 10th November 2024
At 08:53 on Monday morning 4th November 2024, AEMO published MN119852 looking forwards to this coming Sunday 10th November 2024 and a (first ever?) forecast MSL2 condition for Victoria.
Taking a look inside South Australia’s lengthy run of volatility on Monday 23rd September 2024 (Part 2 of a Case Study)
There was an ‘Evening blast of spot price volatility in South Australia on Monday 23rd September 2024’ … roughly 6 weeks ago. Today, for several reasons, we start to take a closer look.
AEMO notifies of Actual MSL1 in Victoria, on Sunday 3rd November 2024
I’m not sure we’ve ever had an Actual MSL1 event before, so worth a quick note referencing Market Notice MN119760 published at 11:49 noting an Actual MSL1 in Victoria.
Forecast tight supply-demand balance (i.e. LOR2) for QLD and NSW on Thursday evening 7th November 2024
Worth a short note, given the alerts from ez2view have continued to buzz in recent days, as the AEMO continues to update forecast LOR2 warnings for both QLD and NSW regions for Thursday 7th November 2024.
Silverton Wind Farm (also) back online near Broken Hill – Friday evening 1st November 2024
Friday afternoon 1st November 2024 our copies of ez2view did alert us to the restart of the STWF1 unit, just prior to the 16:40 dispatch interval (NEM time).
AEMO updates its forecasts for MSL1 in Victoria for coming days ….
With the AEMO’s overview of its Minimum System Load ‘hot off the press’ on Friday 1st Nov 2024 – there’s forecasts for MSL1 on Sat 2nd, Sun 3rd and Tue 5th Nov 2024.
AEMO publishes an overview of their ‘Minimum System Load procedure’ for Victoria
The AEMO’s publication today (Fri 1st Nov 2024) of their ‘Victorian Minimum System Load Procedure Overview’ 3-page PDF document will be well received.
~55 minutes of frequency wobbles in the middle of the day – Thursday 31st October 2024 (Part 1)
Some wobbles in System Frequency (NEM mainland) through the middle of the day on Thursday 31st October 2024 stick out, and will be progressively explored.
P30 demand forecast glitch hunches
A brief look into whether rooftop PV forecast were the driver behind the demand forecast glitch on 29 October 2024.
BESS market operations: We need to talk about being scheduled
James Tetlow of Overwatch Energy shares this article which is adapted from his presentation about BESS operations in the NEM at the recent All-Energy conference in Melbourne.