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...
AEMO
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...
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...
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...
AEMO publishes Market Notice 83206 – status update on repair to damaged Heywood transmission line
AEMO Market Notice 83206 today notifies the broader market of the rectification work on the Heywood transmission (damaged 13 months ago) to be conducted from Friday morning this...
Victoria’s snap lockdown drops demand forecast by ~1000MW
In the middle of the day today (Fri 12th Feb) VIC Premier Dan Andrews announced a snap lockdown - here's a quick look at how this was (quickly)...
AEMO publishes Handbook for Wind and Solar Generators
As promised in the Intermittent Generation Forum late in 2020, the AEMO has released an important Handbook for operators of Semi-Scheduled (wind and solar) assets.
AEMO releases ‘Quarterly Energy Dynamics’ for Q4 2020
Quite a synergistic coincidence today that, at the same time as we are finalizing the release of the GSD2020, we see the AEMO publishes its Quarterly Energy Dynamics...
Initial thoughts on AEMO’s draft Guidelines for Wholesale Demand Response (WDR)
A week ago (Thursday 21st Jan 2021) we received an email from AEMO following the publication of Draft Guidelines for the Wholesale Demand Response Mechanism. We share some...
Increasing the transparency and correctness of intermittent generation availability information to AEMO
Following up to AEMO's recent Intermittent Generator forum, Marcelle looks at the challenges for wind and solar farms in providing consistently good plant availability information to AEMO and...
Conformance and compliance–what’s the difference?
This is the second of a short series of video snippets extracted from the 17th September 2020 presentation by Marcelle Gannon and Jonathon Dyson for the Clean Energy...
AEMO releases ‘Operational management of low demand in South Australia’
On Thursday 22nd October, the AEMO also released a short document titled ‘Operational management of low demand in South Australia'.
ESOO 2020 – What a difference a year makes
Guest author, Allan O'Neil, takes a look at the AEMO's 2020 ESOO to unpick the reason for the differences in outlook (and the sensationalised news headlines) compared to...
AEMO’s notice of Inertia Shortfall in South Australia
AEMO also published something else today which (whilst not as publicised as the ESOO) will be of keen interest to many stakeholders in South Australia...
Case Study of 22:40 on Monday 18th December 2017 (aggregate Raw Off-Target -310MW for Semi-Scheduled units)
This is the 10th Case Study in a series working through 98 discrete dispatch intervals of extreme Aggregate Raw Off-Target for Semi-Scheduled events. This Case Study looks at...
AEMO tenders for Short-Notice RERT Panel for Summer 2020-21
This morning the AEMO have called for expressions of interest for the 'Unscheduled Short-Notice RERT' for summer 2020-21.
AEMO released 2020 Integrated System Plan (ISP)
A back-dated article about the AEMO's 2020 ISP
AEMO releases its ‘2019-20 NEM Summer Operations Review Report’
There's much to consider in today's publication from the AEMO - which looks in detail at the many challenges they faced through summer 2019-20.
Not as simple as it appears – estimating curtailment of renewable generation
Curtailment seems like a simple concept, until you look closely at the details. In this article, Marcelle looks at how to estimate curtailment at wind and solar farms...