Following on from Linton's article (about the frequency drop at 15:40 on Monday 16th June 2025) we take a look at the largest harmful Dispatch Errors across the full fleet of units ... and...
Taking a look at the three of the Yallourn Units offline on Monday morning 16th June 2025.
With BW04 returned to service on Sat 14th June 2025, worth noting that sibling unit BW01 came offline on Sunday afternoon 15th June 2025.
Over the past week (and particularly Wednesday 11th June 2025 and Thursday 12th June 2025) gas-power generation ran strongly in Victoria. So we take a quick look at the historical context.
Belatedly noting the AEMO's publication of the Industry Go Live Plan for the ERI and ST PASA changes.
Yesterday (Friday 13th June 2025), the AEMO published both a Draft Report, and Draft Procedures for Security Enablement (as part of the ISF changes in 2025)
Noting that Bayswater unit 4 had a false (re)start in the early hours of Saturday 14th June 2025.
Earlier this morning we noted AEMO forecasting possible LOR2 for QLD on Tuesday 17th June 2025 (in the middle of the day!). Well, at 11:52 on Friday 13th June 2025 they also added a...
On Friday morning 13th June 2025 the AEMO forecasts possible LOR2 in Queensland for Tuesday 17th June 2025 ... in the middle of the day!
I’ve not yet had time to fully investigate, but thought it worth recording the sharp drop in frequency that appears to have occurred shortly after 07:30 NEM time on Friday 13th June 2025.
Because it proved useful in providing a tabular summary for Wednesday evening 11th June 2025, in this article I've done a similar thing here with respect to Thursday evening 12th June 2025.
Worth a short article with this NEMwatch snapshot at 07:50 to mark some price action on Friday morning 13th June 2025.
Approximately 8 hours after the return to service journey at Loy Yang A1 commenced, a similar journey has been commenced at Callide B2 this morning.
The volatility of Thursday evening 12th June 2025 had ended by that time (though not by much), but it’s worth noting that the Loy Yang A1 unit commenced its return to service journey last...
Another quick article about the low IRPM (instantaneous reserve plant margin) on Thursday 12th June 2025.
One other snippet of information to share this evening (Thursday 12th June 2025) is about the low NEM-wide wind harvest... lower than earlier forecasts.
Worth a short note on Thursday 12th June 2025 to highlight the short-lived return to service at YWPS4:
Following yesterday evening's volatility, it's happening again on Thursday evening 12th June 2025.
We take a first look at bidding across all units (aggregated up) for Wednesday 11th June 2025, with the volatile evening period of particular interest.
We start with this colour-coded tabular record of a 4-hour period (16:00 to 20:00 NEM time on Wednesday 11th June 2025) as a reference point for further analysis of the evening volatility.