Over many years we've invested deeply in analysing the nuanced answer to the question 'Is VRE Forecastable?'. This article (which has almost been posted many times before) is triggered today by yet one more...
Following a question from a client today, we take a quick look at (some of) what the GSD2024 reveals of FCAS market participation of Semi-Scheduled units.
A question from a client led me to take a (very quick) look at curtailment over the recent weekend (Saturday 22nd and Sunday 23rd February 2025) at New England Solar Farm 2 ... with...
Recording a ~500MW ramp and subsidence in ‘Market Demand’ in South Australia on Saturday 22nd February 2025 (including a drop of 229MW in 5 minutes).
Some recent questions prompted this more granular look at NEM Mainland Frequency on Thursday afternoon 13th February 2025
Here's a first look at (generating lots of questions about) Hamilton Solar Farm, and particularly the Availability forecast, back on Wednesday 12th February 2025.
A second article for Thursday 20th February 2025 looking at a noticeable jump in 'Market Demand' in NSW
A short (and perhaps cryptic, or perhaps useful) initial look at some (what might appear to some) 'rogue' price forecasts in P5 predispatch for the NSW region on Thursday 20th February 2025.
Two weeks after the AER published its updated Compliance Bulletin (and Compliance Checklist) for Semi-Scheduled units, we've finally found time to note about it.
About 150 minutes after the earlier (apparent) drop in NSW 'Market Demand' there's a second drop that's not quite so big, but still sizeable.
Whilst looking at system frequency, there was an apparent trip of the Callide B2 unit in the early hours of Wednesday morning 19th February 2025.
That alert in ‘Notifications’ widget in ez2view (looking at large change in 'Market Demand' in NSW) has triggered again at 11:51 (NEM time) on Wednesday 19th February 2025.
A relatively large jump in 'Market Demand' in the NSW region from 16:05 to 16:10 on Tuesday 18th February 2025 caught our attention.
With the news that Codrington Wind Farm (one of the first in the NEM) is to be closed, we take a quick look at 24 years of history.
Given the situation that unfolded on Sunday 16th February 2025, we take a look at curtailment of Large Solar production (not quite a record).
Second article pertaining to the remarkably low level of 'Market Demand' in NSW on Sunday 16th February 2025.
The bottom has dropped out of the 'record minimum demand' point for NSW on Sunday 16th February 2025.
A quick note with snapshot taken at ~15:11 on Thursday 13th February 2025 looking back at the past 6 hours of NEM Mainland Frequency.
If I had time, we'd explore three separate questions we have about what happened in South Australia on Wednesday 12th February 2025. In this article we take a first pass at one of those...
A follow-on article focused on the 19:00 dispatch interval on Wednesday 12th February 2025 in South Australia (a very tight period for supply-demand balance).