Missing megawatts and phantom generation
Seven days ago, AEMO notified the market of a Scheduling Error from 24th Jan 2024 to 7th March 2024. A client asked us what it meant – so guest author Allan O’Neil has helped to explore and explain.
Read MoreOperational Glitches
AEMO report on multiple incidents impacting SCADA over almost 3 years 2021, 2022 and 2023
Also last week, AEMO informed the market of the availability of a report outlining 18 discrete incidents, over a period of just under 3 years, that included SCADA failure in some way. The report also discusses what has been done to rectify.
AEMO notifies of Scheduling Error (Incident 60) from 24th Jan 2024 to 7th March 2024
A short note on Thu 21st March 2024, the day the AEMO notifies the market of a Scheduling Error (incident 60) spanning 24th January 2024 to 7th March 2024.
First output at Tallawarra B
A brief record, using ez2view, of the very early output data for EnergyAustralia’s Tallawarra B station.
Power Surge on 30th August 2023 affects Azure Services – and hence AEMO services (and GR services)
A quick status update, early on Thursday 31st August 2023, about issues at Azure (caused by a power surge) that has been affecting AEMO (and our) systems.
AEMO declares Scheduling Error (incident #54) with respect to post-Liddell snag
AEMO has confirmed our earlier hunch of a Scheduling Error in the immediate aftermath of the Liddell unit retirements.
Liddell’s ghost stalks the market
During early morning Monday 1st May prices spiked in the NSW quite unexpectedly. Guest author Allan O’Neil takes us into the complexities of the EMMS and NEMDE to help us understand the mechanics of how this happened.
AEMO preliminary report on VIC region suspension (loss of SCADA) on 22nd April
Here’s where to find AEMO’s preliminary report on the loss of SCADA on 22nd April 2023 in Victoria that led to that region being suspended for more than 24 hours.
A second (still rushed) look at volatility in NSW very early on Monday 1st May 2023 … a possible snag with Liddell retirement from market data systems?
Taking a second look at the very early morning volatility in the NSW region on Monday 1st May 2023, we’ve used the ‘Constraint Dashboard’ widget in ez2view to get so far … and then added some *speculation* about how it might have been related to the retirement of Liddell from market systems. Is this accurate?
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.
AEMO published Preliminary Report into NSW brief market suspension on 17th March 2023
On 6th April 2023 the AEMO published this preliminary report into the brief market suspension that occurred in NSW on 17th 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.
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.
Spot volatility in the NSW region on Monday morning, 12th December 2022
First day back in the NEM after a break and I see the that the ‘N-RVYS_2’ Constraint Set is contributing to morning price volatility in the NSW region again.
AEMO publishes ‘Scheduling Error Report’ related to problems experienced on 10th August 2022
Also this week, the AEMO published a report about the glitch in the dispatch process that occurred back on 10th August 2022.
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
AEMO releases preliminary report into TAS Market Suspension on 1st March 2022
A short note about the AEMO preliminary report, published 16th March 2022 – into the TAS market suspension on 1st March 2022.
AEMO released preliminary report into SA market suspension on 18th February 2022
A short note about the AEMO preliminary report, published 4th March 2022 – into the SA market suspension on 18th February 2022.
Market suspended in Tasmania on March 1st 2022
This afternoon the AEMO alerted of a market suspension in the TAS region, which coincided with the failure of two undersea fibre cables that caused parts of the state to lose internet access.
Market Suspension in South Australia on Friday 18th February 2022
A quick note about the brief Market Suspension in South Australia on Friday afternoon, 18th February 2022.