Eraring Unit 2 offline for ~13 days, with tube leak
Eraring unit 2 came offline prior to 21:46 NEM time on Sunday evening 8th December 2024 as captured in this alert triggered by the ‘Notifications’ widget in ez2view at the time. Here we take...
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.
A quick look at spikes of Contingency Raise FCAS price in QLD on 9th, 10th and 11th October 2024
A quick snapshot of some volatility in Contingency Raise FCAS Prices in QLD spanning Wednesday 9th October 2024, Thursday 10th October 2024, Friday 11th October 2024.
Evening volatility (and high demand) in QLD on Sunday 8th December 2024
Recording a snapshot from NEMwatch at the 18:00 dispatch interval on Sunday 8th December 2024 to record the start of a run of volatility in QLD (and in NSW).
Initial Review of price volatility in NSW in early afternoon Friday 6th December 2024
For several reasons, we've reviewed some afternoon volatility in NSW on Friday 6th December 2024.
January’s final report ‘Review of the Integrated System Plan’ for the Ministerial Council is noted in the Senate
One of the things I noticed on social media over the past week or so (emanating out of the current Senate Committee on Energy Planning and Regulation in Australia) was the the enhanced visibility...
Eraring unit 3 back online, Friday morning 6th December 2024
This morning at 07:25 the ‘Notifications’ widget in ez2view alerted us that ER03 had reached a ‘first output’ milestone during the return-to-service journey.
New report by Mandala about Data Centres ‘Empowering Australia’s Digital Future Data Centres’
A short note (and link to) the Mandala report titled ‘Empowering Australia’s Digital Future Data Centres: Essential digital infrastructure underpinning everyday life’.
Afternoon volatility in NSW on Friday 6th December 2024
A snapshot of the 14:35 dispatch interval, at the start of a run of spot price volatility in NSW on Friday afternoon 6th December 2024.
The most recent 14 days of data for VIC1-NSW1
Here's a quick 14-day review of the operation of the VIC1-NSW1 interconnector, including the price difference across it.
Today’s discussion (at the Senate Committee) of planned or unplanned outages in the NSW supply fleet on Wednesday 27th November 2024
References to WattClarity in today's session of the Senate Committee on Energy Planning and Regulation in Australia (between Matt Canavan and Daniel Westerman) spiked our interest - and, given the topic was NSW unit...
NEM-wide IRPM below 15%, on Thursday evening 5th December 2024
On Thursday 5th December 2024, the sun’s set now (at least in Brisbane) and the SMS alerts have begun to trigger because the NEM-wide IRPM has dropped below the 15% alert trigger level.
Hot weather (and low wind) bring price action to South Australia on Thursday afternoon 5th December 2024
Worth a brief article with this NEMwatch snapshot at 14:15 (NEM time) with the spot price in South Australia at $12,500.44/MWh.
The extended outage at Eraring unit 3 (as at Thu morning 5th Dec 2024)
We thought we'd take a quick look at Eraring unit 3, given it was the focus of Colin Packham’s article yesterday in the Australian.
Spicy prices forecast in NSW (and LOR2) … with ‘N-CTMN_4_WG_CLOSE’ constraint set now invoked again
A short note for Tuesday morning 3rd December 2024 to highlight the emergence of forecast LOR2 conditions (and spicy prices) in NSW for later today
(Afternoon and) Evening volatility in NSW and QLD on Monday 2th December 2024
A short record of some high prices in NSW and QLD from 17:35 (NEM time) on Monday 2nd December 2024.
QLD State Government ‘Electricity Maintenance Guarantee’ announced on 28th Nov 2024
A short, belated and back-dated article to point to this Queensland Government Media Statement from the new LNP Government on Thu 28th Nov 2024.
The Terms of Reference for the Nelson Review
Belatedly referencing directly to the Terms of Reference of the Nelson Review.
An updated view of outage plans for Scheduled units above 200MW in NSW and QLD
Given the tight supply-demand balance forecast for NSW and QLD this week, it’s worth revisiting the ‘Generator Outages’ widget in ez2view at 15:35 on Sunday 24th November 2024 to show what the current status...
Forecast load shedding (i.e. LOR3) in NSW on Wednesday 27th November 2024 now above 1,000MW
AEMO's MN120879 rates special mention, given the size of largest load shedding forecast for NSW on Wednesday afternoon/evening is above 1,000MW.
AEMO now forecasting possible LOR3 (i.e. load shedding) in NSW on Wednesday 27th November 2024
The most recent ST PASA forecast now shows a sliver of forecast LOR3 (i.e. forecast Load Shedding) for the NSW region on Wed 27th Nov 2024