Beryl Solar Farm (BERYLSF1) shut down with grass fires
Alerted by RenewEconomy on social media that Beryl Solar Farm was offline due to bushfires, I used ez2view to take a quick look.
Seasonal Record of Events in the Market
Collections of events that we see happening in the NEM, categorised in terms of the seasons in which they occur.
Liddell’s unit 4 closes
A quick note to show the last dispatch interval of output from Lidell Unit 4, with the two remaining units slated to follow suit in the coming days.
Case Study of Friday 20th January 2023 (Part 1) … large instance of collective over-performance for Semi-Scheduled units
Another short article today (also from GenInsights Quarterly Update for Q1 2023) presenting an overview of Aggregate Raw Off-Target (AggROT) for Semi-Scheduled units on Friday 20th January 2023.
Glitch with Victorian SCADA data triggers (>24 hour) Market Suspension in Victorian Region – Saturday 22nd April 2023
In an event (that seems) similar to 17th March 2023, a glitch in SCADA leads to the suspension of the market in the Victorian region on Saturday afternoon/evening 22nd April 2023.
New low-point for demand in NSW on Easter Sunday, 9th April 2023
It's Easter Sunday (9th April 2023) and it looks like NSW minimum demand has fallen further from the prior record set 6 months ago.
Reviewing what happened in NSW and QLD on Thursday 16th March 2023 (with Actual LOR2, Volatility and Reserve Trader almost triggered, etc) … part 1
Given the significance of the event (Reserve Trader almost triggered on Thursday 16th March - 34 days till the closure of Liddell Unit 4) we're investing some time in exploring more detail of the...
Spot price volatility in QLD and NSW on Sunday 19th March 2023
A quick record of the start of volatility on Sunday evening 19th March 2023.
Brief (55 minute) Market Suspension on 17th March 2023 in NSW due to service interruption of SCADA systems
A just-announced AEMO market notice has declared a temporary suspension of the NSW market.
New all-time record for Operational Demand in QLD on Friday 17th March 2023 … but not for Market Demand
Looks like a new all-time record for Operational Demand in the QLD region early this evening, Friday 17th March 2023.
AEMO forecasts point towards a possible record total demand in QLD this afternoon on 17th March 2023
Following last night's market volatility, QLD's total demand is currently forecast to go beyond its highest recorded point.
Actual LOR2, and a run of volatility in NSW and QLD … only 34 days till the closure of Liddell unit 4
Looks like we've (sort of) dodged the Reserve Trader bullet on Thursday evening 16th March 2023 ... but still poses plenty of questions.
AEMO commences RERT negotiations in NSW on Thursday 16th March 2023
Second post for this afternoon/evening following AEMO announcement to commence RERT Negotiations for this evening in NSW.
Late ‘summer’ hot blast drives demand higher in NSW and QLD
Some late hot weather (in Autumn 2023) is providing for some activity in the market
Splitting the ‘X5 constraint’ into two … double trouble?
From 08:00 (NEM time) this morning, the old 'X5 constraint' (i.e. formerly formally known as 'N^^N_NIL_3') has been split into two (i.e. addressing separately risk of tripping of either/both Bendigo to Kerang 220kV line...
Case Study of 17:05 on 27th October 2022 (+861MW AggROT for Semi-Scheduled units) … Part 1 of (an uncertain number)
In Part 1 of this Case Study, we start to look at the large collective under-performance across all Semi-Scheduled units (i.e. Wind and Large Solar) at 17:05 on 27th October 2022. More to come...
AER notice … ‘Market notice from the WEMDRA – Referral to dispute resolution panel’ … about scheduling error on 10th August 2022
A short note following on from the Scheduling Error experienced by AEMO on 10th August 2022.
NSW ‘Market Demand’ above 13,000MW on a hot Monday 6th March 2023 … and Actual LOR1
On Monday afternoon 6th March 2023 a late burst of summer in NSW has driven Market Demand above 13,000MW.
Forecasts for a hot Monday 6th March in NSW, and potential LOR2 in the evening (now also Tuesday evening)
Could be a hot one in (Sydney and) NSW on Monday 6th March 2023 ... with AEMO forecasting potential LOR2 low reserve condition.
The NEMs frequency behaviour – how is it going?
Following recent online discussions, Bruce Miller has produced this in-depth analysis of frequency behavior in th NEM.
Recapping Thursday 23rd Feb 2023 (when hot weather drove demand in South Australia highest in 9 years)
On Thursday 23rd February, hot weather in SA drove 'Market Demand' to its highest level in just over 9 years, and delivered a bit of spot price volatility. We investigate....