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.
Read MoreOn 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 (or consideration was given to the same). In this article (following some detail from a reader) we classify these events in three categories.
At 12:53 on Saturday 12th Oct 2024 AEMO published MN118817 cancelling the MSL1 warning for Victoria.
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.
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).
A short note, recording MN118771 about testing for PEC stage 1.
A quick record of the trip of Loy Yang A1 unit just prior to 08:40 (NEM time) this morning … Friday 11th October 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 2024, when similar conditions were forecast.
A short article referencing MN118749, which was published at 15:05 on Thursday 10th October 2024.
At 14:58 today (Wednesday 9th October 2024) the AEMO issued Market Notice 118721 cancelling the MSL1 warning for Sunday 13th October 2024.
A short note about Market Notice 118672, as that will be of interest to many of our readers.
A short note today (thanks to a tip by Thomas MacDonald) about a ‘relatively urgent’ rule change request by Delta Electricity that might help Vales Point operate into 2025.
On Monday afternoon 7th October 2024, the AEMO has issued Market Notices declaring risk of ‘Minimum System Load’ in the Victorian region for the upcoming weekend.
A short article looking at system frequency late afternoon Sunday 6th October 2024.
Looking back at system frequency, we see a noticeable drop in system frequency around ~15:45 (NEM time) on Saturday 5th October 2024.
(a) There’s no large trip of a coal unit that coincides
(b) But it *might be* the result of a large collective under-performance (relative to Target) across the Semi-Scheduled fleet NEM-wide ?
A short article capturing a new lowest point for ‘Market Demand’ in NSW on Sunday 8th October 2024.
Prompted by AEMO MN118628 here’s a forward looking view of forecast tight supply-demand balance for QLD on Tuesday evening 8th October 2024.
A short article looking at a small drop in system frequency on Wednesday 2nd October 2024, perhaps related to Bayswater unit 3 tripping offline.
An update on LinkedIn from Len McLachlan from AGL Energy about a recent trial of two-shifting at Bayswater unit 4 prompts a quick look.
Recapping what the lowest point was, for ‘Market Demand, in Victoria on Friday 27th September 2024.