Availability at Tarong North Power Station almost halved as it nurses a tube leak
QLD may be down 200MW of available generation with record demand currently being forecast for late this afternoon.
Market Operations
Twelve hours of Mainland NEM System Frequency on Friday 3rd February 2023
Another article today presenting 12 hours of history of System Frequency (to ~14:00 on Friday 3rd February 2023) with a few questions added. Comments welcome!
Every extra little bit may help: 50MW temporarily added to QNI limit
An AEMO market notice from yesterday afternoon declares that an extra 50MW has been made available on the QNI interconnector.
AEMO contracts Reserve Trader (in QLD, on Fri 3rd Feb 2023), but trigger not yet pulled
AEMO starts the Reserve Trader process for the QLD region this evening (Fri 3rd Feb 2023).
Quick Friday morning look-ahead to Friday evening in QLD
A quick article for Friday (3rd Feb 2023) morning, looking ahead to this evening and what AEMO's current forecasts are saying for this evening.
Thursday morning look ahead to forecasts for tomorrow (Friday 3rd Feb) evening in Queensland
A quick Thursday morning look at changing forecasts for Friday evening in QLD.
Forecasts pointing to record demand and other risks in QLD for Friday afternoon.. but caveats aplenty
Our fourth article looking forward to this Friday afternoon (3rd February 2023) in the Queensland region, where successive AEMO STPASA forecast data is showing considerable variability about what...
Expected Return to Service date for Callide C3* slips further back, to 30th June 2023
A short article about a further delay in the expected return to service date for Callide C3 (which is offline after suffering cooling tower failure).
More delays in expected Return to Service (RTS) for both Callide C3 and C4
Yesterday (Wed 28th Dec) CS Energy informed the market of further delays in RTS for Callide C3 and C4 - today we take a quick look.
Kogan Creek returned to service on Tuesday 20th December 2022
CS Energy's Kogan Creek restarted on the morning of Tuesday 20th December 2022.
Return to service expectation for Callide C3 is (still) 11th February 2023
No change in return-to-service expectation for Callide C3.
Callide C4 generator transformer delivered to Callide Power Station
A quick note to echo the news from CS Energy that the replacement generator transformer is onsite.
Spot volatility in the NSW region on Monday morning, 12th December 2022
First day back in the NEM after a break and I see the that the ‘N-RVYS_2’ Constraint Set is contributing to morning price volatility in the NSW region...
Callide C3’s return to service pushed back to February 2023
QLD looks like it will be without Callide's C3 unit until at least February 2023.
Enhancement of ASEFS and AWEFS forecasts provided by AEMO – from Wednesday 23th November 2022
A short article, to record the upgrade of the ASEFS and AWEFS forecasts for Semi-Scheduled (i.e. Wind and Large Solar) units.
Dispatch of the market’s more complex at present … with SA on its own island (and TAS still in pieces)
One of the side-effects of the transmission issues in South Australia and Tasmania is a (much) more complex dispatch process - with NEMDE file creation times slowing down...
What’s going on at the Callide power stations?
Prompted by a few media questions (on a day when all 4 units were offline together for about 3 hours), have taken a quick look at the status...
Callide C3 unit suffers cooling tower issues
Alerted via an ABC news article, we take a quick look at Callide C3.
Loy Yang A2 back online – Monday 31st October 2022
A short note about return to service for LYA2, which had been out for over 6 months.
False (re)start at Loy Yang A2 on 25th October
Prompted by a comment by a WattClarity reader, I've taken a quick look at Loy Yang A2 for the past week.