Price volatility in VIC and SA on a warm summer evening, Thursday 16th February 2023
A quick post about some evening volatility in VIC and SA
price volatility
A burst of heat and volatility in QLD on Tuesday 31st January 2023
A quick recap of some market volatility (and other developments) in QLD on Monday 31st January 2023
Volatility in South Australia on Thursday afternoon 17th November 2022
With low wind production in South Australia on Thursday 17th November, limited import capability and curtailment of rooftop PV, the price has spiked on Thursday afternoon
Run of volatility in Tasmania on Monday morning 14th November 2022
A run of volatility lasting several hours in Tasmania on Monday morning 14th November.
First night of living on an island … with SA disconnected from the rest of the NEM
Third article for Sunday 13th November 2022 – this one taking a quick look at some pricing activity in the ENERGY market overnight.
Brief spike at 11:10 in NSW and QLD on Monday 31st October 2022
A quick article to document a spike at 11:10 on Monday 31st October … which seems related (at least in part) to the same network outage as on Friday evening.
530MW loss of electrical load in Tasmania on Friday 14th October 2022
Some quick notes of a sizeable loss of load in Tasmania and a volatility situation that is ongoing as I hit ‘publish’ at 11:50 NEM time.
Overnight volatility in South Australia – part 1
A run of volatility in South Australia lasting ~90 minutes triggered a few alerts.
There’s plenty of wind, but the SA price is still spiking today (Wed 7th Sept 2022)
A quick marker for some volatility thus far today in South Australia.
Morning volatility in South Australia on Thursday 1st September 2022
This morning have been greeted to a run of SMS alerts for volatility in South Australia.
Diverse generator responses to illusive FCAS prices on Wednesday 10th August 2022
The market volatility on Wednesday 10th August 2022 turned out to be illusive. We review unit output by fuel type to study how different generator groups responded on the day (in aggregate) finding increases, decreases and patterns in between.
Market volatility on Wednesday 10th August 2022 (incl FCAS prices going haywire) – Failure of Market Systems?
A short initial article to flag market volatility on Wednesday 10th August 2022 which sees ENERGY prices elevated (particularly TAS) and also Contingency FCAS prices at MPC
Spot price volatility in South Australia Thursday morning 28th July – second morning in a row
A quick record of some morning volatility in South Australia before the sun rises (second morning in a row)
Price volatility on Monday evening 11th July with ‘Market Demand’ near 31,000MW
A quick record of spot price volatility on Monday evening, 11th July 2022.
Market volatility on Monday 27th June 2022
The price has been spiking on Monday evening 27th June 2022.
Bizarre pricing continues outside of the QLD region
At 22:40 the price exceeds $10,000/MWh in NSW, VIC and SA … with QLD under Administered Pricing.
After AP is imposed in QLD, volatility started elsewhere
Volatility has ramped up in NSW, VIC, SA and TAS (particularly SA) with QLD under Administered Pricing.
South Australia spikes, with Heywood unconstrained … with QLD under Administered Pricing
A follow-on from Administered Pricing in QLD is the start of some head-scratching market outcomes … such as this spike in South Australia.
Four hours at above $1,000/MWh drives Cumulative Price well above $1,100,000 and close to Cumulative Price Threshold in QLD on Friday evening 10th June 2022
A later article reviewing how Cumulative Price in Queensland has jumped upwards this evening (towards the CPT) as a result of a solid four hours above $1,000/MWh.
Friday evening volatility in the QLD Region (escalated to actual LOR2)
Price volatility has returned to the QLD region on Friday evening 10th June 2022.