190 minutes of low IRPM (reaching 11.01% at 18:05) on Thursday evening 20th June 2024
A brief recap on another consecutive evening of low NEM-wide IRPM - on Thursday 20th 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.
Kogan Creek comes offline, on Thursday 20th June 2024
Amongst other things happening in the past 24 hours, the large Kogan Creek coal-fired power station in southern QLD came offline this morning in an outage that appears anticipated two days prior ... but...
A brief review of the (only!) 88MW of wind output NEM-wide at 13:20 on Thursday 13th June 2024
In an earlier article today, we identified the 13:20 dispatch interval on Thursday 13th June 2024 was one with very, very low level of wind ... in this short article we take a very...
Correlation between low wind Capacity Factor and low IRPM (NEM-wide) in recent evenings + Thursday evening looks likely to be low, as well.
Given what's happened for Monday, Tuesday and Wednesday evening this week (and even tighter supply-demand balance forecast for Thursday evening) we take a look at the correlation between low IRPM and low Capacity Factor...
AEMO publishes ‘East Coast Gas System Risk or Threat Notice’
On Wednesday 19th June 2024 the AEMO has published this ‘East Coast Gas System Risk or Threat Notice’.
A shorter and shallower bout of low IRPM on Wednesday evening 19th June 2024
A brief recap of Wednesday evening 19th June 2024.
Tallawarra B gets a run, on Tuesday 18th June 2024
On Tuesday 18th June 2024, Tallawarra B was running for a period (after a lengthy period offline).
Tomorrow’s brief network outage (on the Rowville – South Morang 500 kV line) *might* have high impact
A short note about the (possibly high impact) short outage planned tomorrow on the Rowville - South Morang 500 kV line in VIC (re the ‘V-ROSM’ constraint set)
Federal Coalition announces 7 sites proposed for nuclear power
A very short article to record the Federal Coalition's announcement of possible sites for nuclear power stations.
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.
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.