Small drop in NEM Mainland Frequency with Stanwell Unit 3 offline
A quick look at a small drop in frequency seen on Wednesday 16th October 2024.
All Posts
So long solo solar, and hi hybrids?
A summary of the key challenges facing standalone solar and wind farms over the past several years, along with discussion and thoughts about whether new rules surrounding hybrids systems will address these.
A clarification, about those instances of (potential or actual) disconnection of distributed/rooftop PV
On Thursday 10th October 2024, we published ‘What happened with System Load in VIC on Friday 27th and Saturday 28th September 2024?’ and, in doing so, listed some times when rooftop PV was disconnected...
AEMO cancels MSL1 warning for Victoria on Saturday 12th October 2024
At 12:53 on Saturday 12th Oct 2024 AEMO published MN118817 cancelling the MSL1 warning for Victoria.
Forecast ‘Minimum System Load’ (at MSL1 level) back again, for Saturday 12th October 2024
At 06:19 this morning (Saturday 12th October 2024) the AEMO published Market Notice 118803 re-instating the warning for forecast Minimum System Load (at MSL1) in Victoria.
Drop in System Frequency on Saturday 5th October 2024 – Part 2
To further understand the frequency drop we delve into the 4-second data (used for regulation FCAS contribution calculations) in this Part 2, looking at generating units (including BDUs).
Testing the Heywood interconnector on Friday 11th October 2024, as part of PEC Stage 1
A short note, recording MN118771 about testing for PEC stage 1.
Minor drop in NEM Mainland System Frequency on Friday 11th Oct 2024, most likely related to trip of LYA1
A quick record of the trip of Loy Yang A1 unit just prior to 08:40 (NEM time) this morning … Friday 11th October 2024:
What happened with System Load in VIC on Friday 27th and Saturday 28th September 2024?
With AEMO forecasting possible 'Minimum System Load' in Victoria for the coming weekend, we take a look back at (our understanding of) some of what happened on Saturday 27th Sept and Sunday 28th Sept...
AEMO reinstates warning about ‘Minimum System Load’ in VIC for Sunday 13th October 2024
A short article referencing MN118749, which was published at 15:05 on Thursday 10th October 2024.
Guest Authored Posts
The challenge of imperfect foresight: Storage operation in a highly renewable NEM
Josh Boegheim from Powerlink discusses the limitations of perfect foresight assumptions for system planning—and shares results from a recent study that simulated energy storage dispatch using deterministic and stochastic forecasting approaches.
The growing NEM BESS fleet: Who is controlling all this capacity, anyway?
Matt Grover from Fluence shares insights into the NEM's growing big battery fleet and what it means for the market and their operators. This article follows on from his keynote at the ESS two...
Detailed Analysis
N/A