Mainland grid frequency, cat ears and golf
It was captured by a keen eyed reader, that the distribution of mainland grid frequency in recent times now exhibits cat ears.
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Forecast load shedding (i.e. LOR3) in NSW on Wednesday 27th November 2024 above 1,700 but now easing?
The outlook for load shedding in NSW on the 27th of November 2024 remains a possibility, yet recent STPASA runs indicate some movement in a positive direction is ocurring.
NEM Mainland frequency patterns – historical overview from 2024
In this overview, we take a longitudinal look back at how frequency has changed over the years.
2024 Consultation on Forecasting Accuracy Report Methodology
The methodology used to assess performance of AEMO’s longer-term forecasts is under review via the consultation process.
Demand Response as Market Participant: Square Peg in Round Hole?
A year ago we reviewed the market outcomes of wholesale demand response (WDR) in the NEM. It’s been 2 years now, providing a new milestone from which to review participation and impact. Can we say yet, whether the mechanism is a square peg in a round hole?
Here’s one reason why the market was blindsided by high average prices in Q2 2021
Here’s one big reason why the high outcome for Q2 time-weighted average spot prices were so far away from the (much lower) expectations in all 4 regions at the start of the quarter.
Sequence of Events on 25 May – A Very Short & Partial Visual Guide
Normally this would be part of a much more complete article adding to WattClarity’s growing coverage of the major power system events in Queensland following the incident at Callide C Power Station. However I for one find it easier to…
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 and explores some of the traps.
Recent trends in spot price distribution in QLD
In a sneak preview from the “Maximising Value in the NEM” webinar this Thursday, Marcelle looks at the changing distribution of spot prices in QLD.
Winter 2018 in the NEM
A collection of articles about events that occurred through winter 2018 in the NEM (i.e. from 1st June to 31st August 2018)
Autumn 2018 in the NEM
A collection of articles about things we see occurring in the NEM.
Energy Transition
A collection of articles about this energy transition
Summer 2017-18 in the NEM
Articles pertaining to summer 2017-18 in the NEM
Spring 2017 in the NEM
Articles pertaining to spring 2017 (Sept, Oct, Nov) in the NEM
Energy Literacy
This is a category of articles that have been accumulating on WattClarity for some time, aimed at helping to tame Villain #4, which is what we see as a growing deficit in Energy Literacy/Numeracy required to effectively deal with the…
Winter 2017 in the NEM
A collection of articles posted about Winter 2017 in the NEM
Autumn 2017 in the NEM
Collection of articles written for Autumn 2017
[2nd update] AEMO forecast for peak NSW demand this afternoon now would be new record
2nd quick note in advance of today’s expected new record demand in NSW (and hopefully not load shedding)
Summer 2016-17 in the NEM
Articles relating to what happens across the NEM through summer 2016-17
Spring 2016 in the NEM
Articles about Spring in the NEM – September, October, November 2016