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)
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.
Non-credible contingency event (and ~40MW loss of load) in country NSW early this morning
A short article about loss of supply to customers in western NSW (in the ‘West Murray’ area) early Monday morning, and and tripping of a number of generation and other plant.
Gas supply constraints spill into the NEM – two Victorian gas-fired generators directed offline
AEMO has directed two gas-fired generators in Victoria offline due to suspected gas supply limitations.
AEMO’s ‘Threat to System Security’ in the gas market in relation to Iona storage levels
AEMO issues another ‘Threat to System Security’ notice for the gas market … which might flow through to electricity.
New all-time record for wind output, NEM-wide on Saturday 16th July 2022
Saturday evening saw a new all-time record for aggregate wind farm production across the NEM.
Burst of extreme prices across the NEM on July 14th 2022
A short note about prices spikes occurring in the four mainland NEM regions simultaneously this evening.
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.
AEMC published update on Compensation Claims under APC
On 4th July the AEMC published their second ‘Notice of Receipt of Claims’ with respect to compensation under the Administered Pricing period in June 2022.
Morning volatility in South Australia on Friday 8th July 2022
A quick look at this morning’s volatility in South Australia.
RERT dispatched in QLD – at 17:00 on Tuesday 5th July 2022
RERT (Reserve Trader) dispatched in QLD.
Significant (~1,300MW) drop in Available Generation in QLD on Tuesday morning 5th July
This morning we also saw a sizeable drop (just over 1,300MW) in Available Generation the QLD region … which appears to have triggered an ‘Actual LOR2’ condition.
RERT may be triggered this evening – Tuesday 5th July 2022?
This morning (Tue 5th july 2022) AEMO announces it may see the need to trigger Reserve Trader this evening.
Actual LOR1 and $15,500/MWh in the QLD region on a cold/dreary Monday evening 4th July 2022
A quick article Monday evening about volatility in QLD.
Cloud cover and cold temperatures spark high prices in QLD on Monday morning 4th July 2022
A quick look into today’s high prices in QLD, and some of the contributing factors.
Seasons of low wind and solar output will influence the shape of the NEM
Geoff Bongers, Nathan Bongers and Andy Boston have prepared this guest authored article following on from their recently published paper about the characterisation and mitigation of renewable droughts in the NEM.
On the fringes: the outer edges of the NEM remain the most prone to volatile MLFs
To mark the end of the financial year, Dan Lee writes this explainer about MLFs and gives some examples of noticeable long-term MLF trends within the NEM.
Market volatility on Monday 27th June 2022
The price has been spiking on Monday evening 27th June 2022.
Eighteen month trend of daily average spot prices highlights extreme volatility in Q2 2022
The unsuspension of the market is a useful time to reflect on ‘how we got here’ … starting with this 18-month trend of daily average spot prices.
Voltage disruption (apparently) stemming from Port Augusta Renewable Energy Park Thursday morning 23rd June 2022
A few quick notes about the voltage disturbance experienced in the early hours of the morning in South Australia on Thursday 23rd June 2022.
File creation times at AEMO for DISPATCHIS and P5MIN increase 50%, coincident [CAVEAT] with Administered Pricing and Market Suspension
In parallel to the ‘Energy Crisis 2022’ (and perhaps related to it, in some ways) we see a step change decline in the performance of the timeliness of file creation for P5MIN at the AEMO in recent days…