Curtailment of Solar Resource from (Semi-Scheduled) Large Solar across the NEM reaches 79.2% on Sunday 1st September 2024
On Sunday 1st September 2024 curtailment of Large Solar yield across the NEM reached as high as 79.2%.
Eventful Days
High wind yield in recent days … but *not* a new all-time record
A look back over the strong wind farm production over recent days, to Monday 2nd September 2024.
AEMO extends ‘Severe Weather’ warning from TAS into SA and VIC
Overnight into Monday 2nd September 2024, the AEMO has extended its Severe Weather warning into SA, and then into VIC.
‘Minimum Demand’ point for NSW drops 226MW from last year’s low point (on Sunday 1st September 2024)
On Sunday 1st September 2024 the 'minimum demand' point in NSW ratcheted lower still - a drop of 6% on the preceding 'lowest ever' point set just over 10 months ago.
Many localised network outages across Tasmania, on Sunday 1st September 2024
With the Severe Weather persisting in Tasmania into Sunday 1st September 2024, reports suggest ~5% of the population without power due to many localized network outages.
‘Widespread abnormal conditions’ in Tasmania, on Saturday 31st August 2024
Saturday 31st August 2024 also sees AEMO issue a Severe Weather Warning for Tasmania
‘Market Demand’ in NSW briefly drops to 3,650MW on Saturday 31st August 2024 – a new all-time low point
Saturday 31st August 2024 saw warm temperatures and high rooftop PV yield contribute to a new low point for 'Market Demand' in NSW
Return to service commences for Callide C4 on Friday 30th August 2024 (after 1193 days offline)!
It's Friday 30th August 2024 and Callide C4 has commenced its return-to-service (and re-commissioning), after an outage lasting 1193 days
Cumulative Price in VIC drops negative (but *not* the first time ever!) on Thursday 29th August 2024
On Thursday 29th August 2024 the Cumulative Price in Victoria dropped below $0/MWh ... but Dan Lee noted not for the first time ever in any region.
Might get close to a new all-time record for wind production late this weekend?
An article from Weatherzone prompts a look (via ez2view) at forecast aggregate Wind Farm Capability in the coming days - we might come close to a new record.
Weird & Wacky Winter Weather
With winter having a concerted last blast (or having launched straight into summer in northern Australia) it's strange times indeed.
Wild winds in TAS drive aggregate instantaneous Wind Farm capacity factor close to 100%
Anthony Sharwood's article ‘Wild winter winds hit 156 km/h in Tas, 128 km/h on mainland’ prompts me to have a quick look at wind production in Tasmania in recent days.
Jump in mainland System Frequency, coincident with potline trip at Portland smelter
We take a quick look, after (at 00:01 Wednesday 28th August 2024) both potlines at Portland Smelter tripped.
Curtailment (spillage) of Large Solar reaches 2/3 of total resource, on Saturday 24th August 2024
A short record of some large curtailment of Large Solar resource on Saturday 24th August 2024.
Eraring Unit 3 offline for planned outage … but no more outages planned for Eraring through to 2027 (yet?)
With Eraring unit 3 coming offline on Sunday 25th August 2024 (not long after Eraring unit 1 returned to service) I've had a quick look.
It could be a high wind yield week ahead in the NEM?
A social media update talking about forecast high wind speeds in the coming week prompts me to check forecast aggregate wind farm production.
Callide C3 returns to service, a couple days earlier than schedule
After a forced outage lasting almost 4 weeks, Callide C3 came back online Wednesday evening 21st August 2024.
Morning burst of volatility in South Australia (Thursday 22nd August 2024)
A short article with this snapshot to document a morning burst of volatility in South Australia on Thu 22nd Aug 2024.
Reviewing rebids at Loy Yang A1 for Tuesday 20th August 2024 … [alternate title = tips for ez2view users in the ‘Bid Explorer’ widget]
For several reasons (including as prompted by conversations with several different clients in recent days) here's a review of rebidding at Loy Yang A1 as the unit came offline on Tuesday 20th August 2024.
Using the ‘Next Day Public’ data set to see more about yesterday evening’s unplanned outage at Loy Yang A1 (which remains offline at this point)
A brief follow-on to yesterday evening's article about the unplanned outage at Loy Yang A1 (Tue 20th Aug 2024).