AEMO publishes an overview of their ‘Minimum System Load procedure’ for Victoria
The AEMO’s publication today (Fri 1st Nov 2024) of their ‘Victorian Minimum System Load Procedure Overview’ 3-page PDF document will be well received.
Eventful Days
~55 minutes of frequency wobbles in the middle of the day – Thursday 31st October 2024 (Part 1)
Some wobbles in System Frequency (NEM mainland) through the middle of the day on Thursday 31st October 2024 stick out, and will be progressively explored.
P30 demand forecast glitch hunches
A brief look into whether rooftop PV forecast were the driver behind the demand forecast glitch on 29 October 2024.
Broken Hill re-connected to the main grid (on temporary towers), overnight to Friday 1st November 2024 … a little earlier than expected
As of 8:41pm Broken Hill time (ACDT) 31 Oct, Transgrid confirmed the power line linking Broken Hill to the HV transmission network was energised.
Glitch in P30 demand forecast for QLD on Tuesday evening 29th October 2024
A short (and belated) article with respect to a sizeable error in P30 predispatch forecast for ‘Market Demand’ in QLD on Tuesday evening 29th October 2024;
Buronga No.4 330kV synchronous condenser has been commissioned (as part of PEC)
AEMO says ... at 12:00 on Thursday 31st October 2024, the Buronga No.4 330kV synchronous condenser has been commissioned
Broken Hill power supplies might be reconnected to the wide grid on Saturday 2nd November 2024
Some good news I saw (on Wednesday morning 30th Oct 2024) was that Broken Hill might be reconnected to the wider grid (albeit on the temporary towers for now) as early as this Saturday...
Next stage of testing for PEC Stage 1 scheduled to begin tomorrow afternoon (Thursday 31st October 2024)
Prompted by a client question, here's a quick look at some of the Project Energy Connect (PEC Stage 1) related constraint sets.
Forecast MSL1 in Victoria for Tuesday 5th November 2024 (a.k.a. Melbourne Cup Day)
AEMO’s broadcast today of an MSL1 alert for a weekday next week (albeit Melbourne Cup) is notable
Some rapid fluctuations in NEM Mainland Frequency – on Tuesday afternoon/evening 29th October 2024
A short article to flag a two rapid (and noticeable) fluctuations in Mainland Frequency that we spotted this afternoon/evening on Tuesday 29th October 2024.
Broken Hill BESS discharges into the Sunday evening peak (27th October 2024)
A quick update on Broken Hill - with BHB1 discharging Sunday evening 27th October 2024, and more updates from the Energy Minister.
Broken Hill BESS restarts operations (cautiously), on Saturday 26th October 2024
It was welcome news to see the Broken Hill BESS start charging this afternoon (Saturday 26th October 2024 at 15:41 NEM time).
‘Market Demand’ in NSW drops below the prior ‘lowest ever*’ point
From the 12:05 dispatch interval, today's series of SMS alerts has started from the 12:05 dispatch interval (NEM time) announcing new ‘lowest ever*’ points for ‘Market Demand’ in NSW.
Lowest ever, going lower – NEM-wide ‘Market Demand’ on Saturday 26th October 2024
At 11:15 (NEM time) on Sat 26th Oct 2024 the NEM-wide ‘Market Demand’ is already down at only 9,909MW (i.e. already lowest ever).
AEMO updates forecast MSL1 for Victoria for today (Saturday 26th October 2024)
At 09:01 (NEM time) on Saturday 26th October 2024 the AEMO has published MN119423 to update their forecast for MSL1 today in Victoria
Is the bottom going to fall out of ‘Market Demand’ on a NEM-wide basis tomorrow (Sat 26th Oct 2024)
We wondered what the very, very low demand forecast for NSW (on Sat 26th Oct 2024) that might mean for NEM-wide demand – so we flipped the ‘Forecast Convergence’ widgets to look at NEM-wide...
Is the bottom going to fall out of the NSW ‘Market Demand’ tomorrow (Saturday 26th October 2024)?
It was only 5 days (on Sunday 20th October 2024) when we saw a new 'lowest ever*' point for 'Market Demand' in NSW ... so we're amazed to see AEMO forecasting a low point...
(Belated note about) Thursday’s AEMO market notice about forecast MSL1 for Sunday 27th October 2024
At 14:52 on Thursday 24th October the AEMO published MN119315 warning of forecast MSL1 on Sunday 27th October 2024.
Backup generator in Broken Hill offline early morning Friday 25th October 2024
The GB01 unit (the back-up genset that has been supporting the Broken Hill area the past few days) has come offline overnight – early Friday 25th October 2024:.
AEMO directions for System Strength in Victoria, on Thursday morning 24th October 2024
It's not (yet?) a frequent occurrence, so worth noting that AEMO has directed 2 units at Murray to synchronise and operate as a synchronous condenser from 08:00 (NEM time) on Thursday 24th October 2024...