Tarong unit 3 comes offline late Friday afternoon 21st June 2024 – appears not planned in advance
Tarong unit 3 came offline late Friday afternoon 21st June 2024 … we take a quick first look
Market Operations
Barron Gorge Unit 2 gets a run, on Friday 21st June 2024
On Friday 21st June 2024 the unit 2 of Barron Gorge hydro facility has started up – the next step in a repair process following TC Jasper six months ago.
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.
A look at where the wind has and hasn’t been blowing over the last three nights
A look into the geographic spread and diversity of wind production over the past three evenings, where we’ve seen supply-demand tightness across the NEM.
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 was not fully planned weeks in advance.
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 quick look.
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 across all Wind Farms.
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)
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.
Potentially challenging lack of reserve conditions in NSW over 18 to 21 June 2024
Prompted by sequence of alerts about of lack of reserve market notices I delved in to the data to understand where and when using the LOR outlook for the NEM’s regions in ez2view. The alerts were configured on market notices…
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 19th June and Thu 20th June.
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.
Cold temperatures and low wind push NEM-wide IRPM down to 11.76% on Monday 17th June 2024
This evening we are experiencing a tight supply-demand balance NEM-wide, stemming from cold temperatures, and low wind conditions across the southern states.
Afternoon volatility in TAS on Friday 14th June 2024
An initial walk through afternoon volatility seen today (Fri 14th June 2024) in Tasmania.