Hiccups continue, at Loy Yang A4 (Part 2)
Following the 4th successive trip/outage at Loy Yang A4 in recent days – and updating Tuesday’s earlier article.
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.
Inverter fire at EPIC Energy’s Mannum 2 Solar Farm
An article from RenewEconomy alerts me to yesterday’s fire at the (in commissioning) Mannum Solar Farm 2 in South Australia. We take a quick initial look.
What’s been happening at Stanwell unit 1 since September 2023? (Part 1)
Today we take a look back at the operation of Stanwell unit 1 over the past 3 years … but particularly since its return from a Major Outage in September 2023
Hiccups at Loy Yang A4 (Part 1)
A quick look at 3 successive trips at Loy Yang A4 in returning back from a recent forced outage.
A first look at ‘Market Demand’ in South Australia on Saturday 6th January 2024
A quick look back at Saturday 6th January 2024 in South Australia – and the case of an unforecast drop in ‘Market Demand’
Out with a bang or a whimper? And a puzzle or two.
Guest author Allan O’Neil continues our series of posts on very low system demand levels in South Australia and Victoria on New Year’s Eve, with a few unresolved questions remaining
Also new ‘lowest ever’ point for Market Demand in South Australia on Sunday 31st December 2023
Fourth article today, taking a quick look at neighbouring South Australia – which has also seen a new ‘lowest ever’ level of Market Demand.
Part 3 … Victorian demand holding up at higher levels than successive AEMO forecasts
Third article today, focusing on an apparent anomaly between AEMO’s P30 and P5 predispatch forecasts for Victorian demand today (Sun 31st Dec 2023).
Part 2 – What’s running in Victoria today (apart from strong rooftop PV)?
A second article today on this challenging day for the Victorian grid, looking at which supply sources are running.
Demand in Victoria drops to a new lowest point on Sunday 31st December 2023, and AEMO flags possible intervention (Part 1?)
First article today, recording a new ‘lowest ever’ point for demand in Victoria (Sun 31st Dec 2023), and possible intervention from AEMO has it looks to drop further, leading to possible grid instability.
Looking back at the high demand levels seen in the past two days in Queensland
Taking a quick look back at two days of extreme levels of demand in Queensland during the ‘sleepy period’ between Xmas and New Year.
Queensland electricity demand climbs higher still, on Friday 29th December 2023
Some quick initial notes about the second day of remarkably high demand in QLD during the normally ‘sleepy’ period between Xmas and New Year (Fri 29th Dec 2023).
AEMO forecasts that tomorrow’s demand in QLD (i.e. Fri 29th Dec 2023) will be higher than today
Second short article on Thursday evening 28th December 2023, looking forward to Friday evening 29th December 2023.
QLD ‘Market Demand’ climbs past 9,500MW on Thursday 28th December 2023
Noteworthy that in the sleepy period between Christmas and New Year the QLD region can exceed 9,500MW (fast approaching an all-time maximum) on the first day of a two-day state wide heatwave.
An initial exploration of QLD’s spike at 14:30 on Thursday 21st December 2023
An initial look at the ‘out of the blue’ price spike in QLD at 14:30 on Thursday 21st December 2023.
Very fast FCAS markets continue to grow
Six observations from a chart summarising how capacity, availability and volumes enabled have changed over the early phase of the very fast FCAs markets, since commencement on October 9, 2023.
Barron Gorge Hydro Station damaged and offline after flooding from Cyclone Japser in North Queensland
Flooding from Cyclone Jasper has damaged part of the Barron Gorge Hydro Power Station in North Queensland, forcing its units offline until further assessment and repairs.
AEMO forecast for LOR2 in NSW on Tuesday 19th December 2023
A short initial note about AEMO’s currently forecast LOR2 for NSW next Tuesday 19th December 2023.
Belated notice from the AEMO about RERT contracted for yesterday (Thu 14th Dec 2023)
It’s Friday morning and AEMO has just published a Market Notice to alert the market that RERT was contracted for yesterday evening in NSW (Thu 14th Dec 2023).
Wind production ramps down in NSW, coincident with Increased Demand (and then Actual LOR2)
One factor contributing to the tight supply-demand balance is the decline in wind production (and capability) inverse to the rise in ‘Market Demand’.