Storms in Victoria on leave ~500,000 without power
A short note about the storms that left approximately 500,000 people without power in Victoria on Friday 29th october 2021
AEMO
AEMO forecasts new record minimum Operational Demand (NEM-wide) on Sunday 17th October
Looks like Sunday 17th October will be an interesting day, with a new 'record low' for Operational Demand on a NEM-wide basis forecast by AEMO!
AEMO releases Incident Report on 25th May 2021 event emanating from Callide C4
This morning (Fri 8th Oct) the AEMO has released its Incident Report into what happened on 25th May 2021, starting with problems at Callide C4.
Five Minute Settlement has commenced … but beware some tripwires!
It's quite early Friday morning, 1st October 2021 ... and Five Minute Settlement has commenced. Here's a *very* early initial look.
AEMO publishes Final Report on 24th January 2021 (total loss of SCADA systems)
A short back-dated article, to link in AEMO's final report on this incident.
With ‘Minimum Demand’ plunging across mainland regions, AEMO initiates new Market Notices relating to Rooftop PV
Just last Friday the AEMO notified stakeholders more broadly about their new Market Notice Framework about ‘Minimum System Load’ and/or ‘Distributed Photovoltaics (DPV) Contingency’ ... prior to Sunday's new lowest point for minimum demand...
AEMO says – all systems go, for Five Minute Settlement
Sharing the AEMO's email this morning alerting the market to the 'full speed ahead to 5MS' notice.
A Quick Tour of the 2021 ESOO
Guest author, Allan O'Neil, takes an initial look at some of the highlights included in the AEMO's Electricity Statement of Opportunities for 2021 (a 10-year forecast for what might unfold in the future of...
No front page media horror stories for AEMO’s 2021 ESOO!
The AEMO's 2021 ESOO was released this morning. Here's where you can get it, and some of the articles written about it.
AEMO identifies Power System Oscillations in ‘Polygon of Pain’ (Briefing Session – Wednesday 25th August)
A short note from AEMO's weekly newsletter - about power system oscillations in west Murray region (VIC/NSW)
NEM-wide minimum demand (in winter) drops lower on Sunday 15th August 2021 … and Renewables Share in VIC higher
Sunday 15th August saw lowest level of Operational Demand in the NEM for a winter period, NEM-wide. This also led to a number of other outcomes (including higher renewable penetration, negative prices, ... and...
Do you know what’s causing some increased latency on P5MIN data files on MarketNet in recent weeks (Potential Tripwire #4)?
Re-posted with update: In recent weeks we have noticed a trend towards increased latency in the creation of the ‘PUBLIC_P5MIN_*.csv’ files published by AEMO on MarketNet, and we wonder if you can help us...
AEMO white paper ‘Application of Advanced Grid-scale Inverters in the NEM’ from August 2021
A brief, belated and back-dated article to point to this AEMO White Paper ‘Application of Advanced Grid-scale Inverters in the NEM’ published in August 2021.
Daniel Westerman’s ‘Big Hairy Audacious Goal’ (BHAG) announced on 14th July 2021 – 100% instantaneous by 2025 NEM-wide
A back-dated article looking back at Daniel Westerman's keynote address at CEDA on 14th July 2021.
AEMO rule change proposal – replacement of ST PASA process, and data set
Last week, the AEMO submitted a rule change request to the AEMC for a redevelopment of the ST PASA process (and data sets published - to facilitate what would be a great increase in...
Is the predictability of day-ahead demand improving?
Day-ahead demand forecasts will be integral to any future 'Ahead Market'. We take a look at the current state and accuracy trend of demand forecasts made 24 hours ahead as part of the broader...
How reversion to static line rating in the ‘Q>>NIL_CLWU_RGLC’ constraint equation contributed the price spike on Sunday 24th January 2021 (Part 4)
More time has elapsed since 'Part 3' on 24th March - today I'm posting a shorter piece (Part 4) that explains how RHS of the ‘Q>>NIL_CLWU_RGLC’ constraint equation drove down output and led to...
Piecing together what happened on Sunday 24th January 2021 with the ‘Q>>NIL_CLWU_RGLC’ constraint equation (Part 3)
It's taken a while to find the time - but today I'm posting this next analytical piece (Part 3) that seeks to understand what happened on Sunday 24th January 2021 with the NEM-wide SCADA...
AEMO publishes Preliminary Incident Report about incident on Friday 12th March in South Australia
A short article this afternoon to link through to the Preliminary Report published by the AEMO, looking into what happened in South Australia last Friday (12th March 2021).
$15,000/MWh in South Australia on Friday 12th March 2021 … part 3 (quick thought to the future)
A shorter article - thinking more about the future, prompted by one of the factors that contributed to the price volatility seen in South Australia on Friday 12th March 2021