NEM Mainland frequency patterns – historical overview from 2024
In this overview, we take a longitudinal look back at how frequency has changed over the years.
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With YWPS1 and LYA2 back online, Victorian directions for System Strength cancelled
On Friday morning 15th November 2024 we see the return to service of both YWPS1 and LYA2 - coincident with the cancellation of Victorian directions for System Strength.
Snippets from AEMO’s summer readiness briefing for 2024-25
A sample of highlights captured from AEMO's summer readiness briefing for 2024-25.
Why the directions (to 4 units) with 6 coal-fired units still online in Victoria?
We (and others) wondered, why the direction (especially for 4 units) to replace the System Strength from the ‘missing’ coal units?
Loy Yang A2 joins three other coal units in VIC offline
We’ve only just published ‘AEMO directs 4 units on in Victoria, to cover System Strength shortfall’ … noting that, at that time, there were 3 coal units in...
AEMO directs 4 units on in Victoria, to cover System Strength shortfall
On Thursday morning 14th November 2024, the AEMO has directed 4 different units to operate, to cover a potential system strength shortfall in the Victorian region.
Today’s significant ‘Market Demand’ drop in NSW (and a smaller one in QLD) not forecast in advance
We earlier noted this ‘Significant (-786MW) drop in NSW demand, on Wednesday 13th November 2024’ … and, in response, a reader (KC) asked a question that inspired this...
Drop in mainland frequency on Wednesday afternoon 13th November 2024
A short article on Wednesday afternoon, 13th November 2024 with this snapshot highlighting a drop in frequency on the mainland.
Significant (-786MW) drop in NSW demand, on Wednesday 13th November 2024
The ‘Notifications’ widget in one of our copies of ez2view triggered an alert that we’ve not seen all that often at all, flagging a 786MW drop in ‘Market...
A quick look at Yallourn unit operations, on Tuesday 12th November 2024
Partly prompted by a comment yesterday from a WattClarity reader (Liam), and powered by 'next day public' data, we take a look at Yallourn Power Station on Tuesday...
Guest Authored Posts
The top 10 batteries under FPP
In his second article, Jack Fox uses the Non Financial Operation (NFO) data to take a look specifically at batteries, and how they would have performed under FPP.
An initial look at Winners and Losers from Frequency Performance Payments (FPP)
In his first article, Jack Fox reports some initial observations from a review of the Non Financial Operations (NFO) data that's been published since Dec 2024.
Detailed Analysis
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