Further detail for the 14:00 dispatch interval on Wednesday 15th January 2025 … Part 6
Last article for the day is Part 6 exploring the volatility at 14:00 on Wednesday 15th January 2025 ... flagging some other things not noted before.
Articles by Paul McArdle
Paul was one of the founders of Global-Roam in February 2000. He is currently the CEO of the company and the principal author of WattClarity. Writing for WattClarity has become a natural extension of his work in understanding the electricity market, enabling him to lead the team in developing better software for clients.
Before co-founding the company, Paul worked as a Mechanical Engineer for the Queensland Electricity Commission in the early 1990s. He also gained international experience in Japan, the United States, Canada, the UK, and Argentina as part of his ES Cornwall Memorial Scholarship.
Drop in NEM Mainland Frequency (around 14:00) on Wednesday 15th January 2025 … Part 5
In Part 5 in this evolving series, we find a significant drop in mainland frequency at ~14:00 on Wednesday 15th January 2025 - coincident with the weather disruption and price volatility.
About the ‘N_NEWENSF1+2_100-INV’ constraint equation that violates at 14:00 on Wednesday 15th January 2025 – Part 4
Taking a look at the ‘N_NEWENSF1+2_100-INV’ constraint equation, one other factor in the volatility in NSW on Wednesday afternoon 15th January 2025.
About the unplanned outage of Lower Tumut – Yass 330 kV 03 Line on Wednesday 15th January 2025 … Part 2
Second sequential part of a broader review of some earlier-than-expected volatility in NSW on Wednesday afternoon 15th January 2025.
Early afternoon volatility in NSW, on Wednesday 15th January 2025 … Part 1 in a multi-part exploration
Not long after speaking with a client about forecast evening volatility in NSW for Wednesday 15th January 2025, we see price spikes beginning at 14:00 in the afternoon. So we take a first look....
About flexibility at Mt Piper coal-fired power station … another ‘sign o the times’
Yesterday, our team produced ‘not-for-dissemination early draft’ of the GSD2024. We take a look through this (and use ez2view) to explore reports of a trial of 'two-shifting' (and other enhancements to flexibility) for the...
About the short-notice ‘Actual LOR2’ condition for NSW on Monday 13th January 2025 … Part 3 of a Case Study.
On Monday evening 13th January we noted a short-notice ‘Actual LOR2’ in NSW. In this article we take a look at why (the short notice) was unusual.
The ‘N::N_MNYS_2’ constraint equation and the ‘Actual LOR2’ in NSW on Monday 13th January 2024 … Part 2 of a Case Study.
On Monday evening 13th January we noted a short-notice 'Actual LOR2' in NSW. In this article we take a look at the VIC1-NSW1 interconnector, and particularly the impact of the ‘N::N_MNYS_2’ constraint equation, in...
(Almost completely) out of the blue, an Actual LOR2 … in NSW on Monday 13th January 2025
At 17:49 (NEM time) on Monday 13th January 2025 the AEMO declared an 'Actual LOR2' ... pretty much 'out of the blue'.
A couple of wind turbines returned to service at Murra Warra 1 Wind Farm in Victoria
Finding another use for the relatively recent addition of the ELAV data set for Semi-Scheduled units, we follow on from a RenewEconomy article (in Nov 2024) to trend the availability of the Murra Warra...
Forecasts moderate, for NSW on Monday 6th January 2025
Worth a short follow-on to say that the AEMO published MN122902 at 14:32 (NEM time) today noting the cancellation of the forecast LOR1 condition for NSW, as forecasts moderate.
Further analysis (and more questions) about four VIC Wind Farms on Monday 16th December 2024
In this article, we're continuing to explore what happened to some Wind Farms in Victoria on Monday 16th December 2024 - which was a day of high temperatures, and on which many interesting things...
The two Frontier Economics reports pertaining to nuclear
Whilst attempting not to fall down that particular rabbit hole, adding the two Frontier Economics reports to the ‘if I had more time here’s something I’d like to read in detail’ List.
AEMO notes hot weather forecast for SA and VIC from 3rd January to 5th January 2025
The AEMO published 'NEM Local Temperature Alert' in MN122792 published at 11:12 (NEM time) on Friday 3rd January 2025.
AEMO publishes forecast LOR2 for NSW for Monday afternoon/evening 6th January 2025
Following AEMO's MN122697 (published at 06:51 NEM time), we take a look at the 'forecast LOR2' condition for NSW on Monday 6th January 2025.
Victoria sees new ‘lowest ever*’ point for ‘Market Demand’ (and Actual MSL1) on Wednesday 1st January 2025
On Wednesday 1st January 2025 (New Year's Day), Victoria saw both a new 'lowest ever*' point for 'Market Demand' and Actual MSL1.
Tuesday 31st December 2024 – New Year’s Eve
A very short summary of New Years Eve 2024 ... with more to come in subsequent articles (time permitting)
AER released its ‘Wholesale Electricity Market Performance Report 2024’
Adding one more to the ‘Xmas Reading List*’ was the AER in publishing its ‘Wholesale Electricity Market Performance Report 2024’ on Friday 20th December 2024.
AEMC Final Determination in ‘Integrating price-responsive resources into the NEM’
Another for your Xmas Reading List? This one from the AEMC, in publishing its Final Determination last Thursday 19th December 2024 for the ‘Integrating price-responsive resources into the NEM’.
Where are those Semi-Scheduled Wind Farms in Victoria that were reviewed w.r.t. Monday 16th December 2024
To assist readers in our ongoing review of possible high-temperature (or other) effects on Wind Farm output in Victoria on Monday 16th December 2024, here’s a map we’ve put together to help indicate the...