NEM-wide ‘Market Demand’ above 30,000MW on Wednesday *morning* 19th June 2024
A short note about a spell of high NEM-wide 'Market Demand' on Wednesday morning 19th June 2024.
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.
Low IRPM eventuates (as low as 10.89%), as expected, on Tuesday evening 18th June 2024 .. reaching 120 minutes
A contemporaneous record of a run of low IRPM on a NEM-wide basis that's reached 120 minutes long.
‘Collector to Yass 3L’ network outage truncated, 3 weeks early
A short note recording the (very fortuitous) curtailment of the 'N-CTYS_3L_WG_CLOSE' constraint set as the Collector Wind Farm to Yass 3L 330kV line returns to service 3 weeks earlier than expected.
Mt Piper unit 1 offline till Monday 24th June with boiler tube leak
Mt Piper unit 1 appears to have come offline overnight for boiler tube leak, with expected return to service sometime Monday 24th June 2024.
NEM-wide IRPM might be below 15% during evenings the next 3 days… Tue 18th, Wed 19th and Thu 20th June 2024
Following a 90-minute period of low IRPM yesterday evening (Mon 17th June 2024) we take a quick look at see forecast low levels of IRPM for Tue 18th June evening (very low!) and Wed...
90-minute run of IRPM < 15% on Monday evening 17th June 2024
Second article this evening (Mon 17th June 2024) adding some more detail to the tight supply-demand balance, hence low IRPM, this evening.
When will we start seeing BDUs in dispatch?
With the clock ticking down to the staggered migration of battery unit registrations to the new BDU (bi-directional unit) format, in this article we recap our current expectations.
Afternoon volatility in TAS on Friday 14th June 2024
An initial walk through afternoon volatility seen today (Fri 14th June 2024) in Tasmania.
An update on some coal-fired units, on Friday 14th June 2024
A quick look at several different coal-fired units, via the 'Generator Outages' widget in ez2view.
Gas-fired generation running more strongly in TAS (and Tamar Valley CCGT for the first time) than it has over the past 5 years
Early in June 2024 we see the Tamar Valley CCGT unit running strongly in Tasmania for the first time in just over 5 years ... part of the strongest run of gas-fired generation in...
Wind yield drops again, prices rise in VIC, SA and TAS … and gas-fired generation is running strong
A quick look at market outcomes at the 08:25 dispatch interval on Thursday morning 13th June 2024.
A quick overview of market outcomes on Sunday 9th June 2024
A short-and-sweet (and back-dated) article to provide an overview of broad market outcomes on Sunday 9th June 2024.
Reviewing 270 days of bidding at Tallawarra B … following news of delays
Following Colin Packham's article in the Australian, we take a look in the market data at EnergyAustralia's Tallawarra B
Case Study of NEM-wide Aggregate Scheduled Target on Thursday 18th January 2024
Second short case study today in relation to Aggregate Scheduled Target ... this one focused on a large ROCUP on Thursday afternoon 18th January 2024.
Case Study of NEM-wide Aggregate Scheduled Target in early February 2024
In conjunction with the completion of GenInsights Quarterly Updates for 2024 Q1, here's a 7-day trend of Aggregate Scheduled Target in early February 2024.
Eraring and Yallourn units offline on unplanned outages again
A short article noting ER01 and YWPS3 offline for Unplanned Maintenance/Forced Outages, and another coming soon for ER02
A spurt of price volatility in South Australia on Thursday 6th June 2024
A short record of some volatility on Thursday afternoon 6th June 2024.
AEMO publishes update to ‘Guide to Mis-Pricing Information’ in conjunction with IESS
On 1st August 2024 the AEMO approved for distribution version 5 of the document 'Guide to Mis-Pricing Information' with reference to the IESS go-live on 3rd June 2024. Hence the date of this article...
Snapshot of Monday evening 3rd June 2024
A quick article with a snapshot from NEMwatch at the 18:25 dispatch interval to highlight a couple things we might come back to later.
(The main part of) IESS goes live today – Monday 3rd June 2024
A short note (on Monday 3rd June 2024) with the IESS changes going live today.