Many localised network outages across Tasmania, on Sunday 1st September 2024
With the Severe Weather persisting in Tasmania into Sunday 1st September 2024, reports suggest ~5% of the population without power due to many localized network outages.
extreme weather
A bounce back: a review of Q2 2024 prices
We just witnessed another eventful Q2, with at least four drivers contributing to significant price volatility. This is our annual review of Q2 prices, where we compare these outcomes against the long-term trend.
ABC report that the highest air pressure ever recorded in Australia was observed this morning, and likely to peak again this Saturday
The ABC report that a notable weather record was broken in Tasmania this morning, and opens questions about future wind lulls and a changing climate.
We can’t say yet if grid-breaking thunderstorms are getting worse – but we shouldn’t wait to find out
Reflecting on the transmission tower failures in Victoria in February, a group of researchers from the University of Melbourne have put together this summary of what the long-term wind data is showing, and what it means for the power system.
[SLIGHTLY UPDATED] a sequence of events for what happened in Victoria through the day on Tuesday 13th February 2024 (via Timescale #1)
In this article we’ll have a first pass at what happened in Victoria on Tuesday 13th February 2024 at a DI-by-DI level … which we call ‘Timeline #1’ level – noting will go more granular later (Timeline #2) and less granular later (Timeline #3).
Central Brisbane apparent temperature exceeds 41degC on Mon 22nd Jan 2024
A short walk outside prompts a quick look at Brisbane apparent temperature … equals the high mark set in February 2017
Case Study – Severe Weather Challenges Day-Ahead Forecasts for 7, 8, 9 September 2023
A bout of severe weather for many parts of south-eastern Australia brought challenging weather conditions which appear to have impacted variable renewable energy forecasts for the NEM. The case study delves into forecast differences on the 7th, 8th and 9th of September 2023.
Weather! The cause of.. and solution to.. all the electricity market’s problems?
Dan Lee tracks the demand forecasts against the actual outcome in QLD last Friday afternoon. The final result was as much as ∼1,000MW lower than the maximum forecast of demand published by the AEMO, which alludes to the inherent difficulty of electricity market forecasting.
Forecasts pointing to record demand and other risks in QLD for Friday afternoon.. but caveats aplenty
Our fourth article looking forward to this Friday afternoon (3rd February 2023) in the Queensland region, where successive AEMO STPASA forecast data is showing considerable variability about what peak demand might be for the QLD region (it *might*, if predictions turn into reality, smash the prior all-time record). Dan Lee looks into how the demand forecast has been evolving and what to watch for this Friday afternoon.
Tis the season … for a ‘bomb cyclone’ in North America that stretches wholesale supplies of electricity (and leaves >1M customers off supply with localised network outages)
All’s been quiet in the Australian National Electricity Market … which is not the same as the situation in North America, where extreme cold has stretched supplies across a large swathe of the country and storms have disrupted supply to more than a million people.
Why the Adelaide storm was so intense
Ant Sharwood of Weatherzone provides some insights into the intensity of last weekend’s thunderstorms in South Australia, which had severe impacts on the state’s transmission network.
4.2 million lightning strikes during wild weekend storms in Australia
A weekend of prolific thunderstorms had a significant impact on the NEM. Ben Domensino of Weatherzone reports on the 4.2 million+ lightning strikes that were detected across the country on Saturday and Sunday.
Several different timeframes for investigating the major Tasmanian system event beginning Friday 14th October 2022
Third article on what happened on Friday 14th October 2022 – sharing a photograph of the damaged transmission (thanks to TasNetworks for the photo, and Zeus for the weather) and outlining a number of different timescales that could be considered with respect to this event.
Brisbane’s week is ‘Coldest in 118 years’ … what is the outlook for electricity demand?
A news article this morning along the lines of ‘coldest in 100 years’ jumped out at me.
How rare was this rain and flooding event?
Ben Domensino of Weatherzone examines the recent heavy rainfall and subsequent flooding across much of Australia’s eastern seaboard
Severe Weather Season Outlook – 2021/22
Ben Domensino from WeatherZone has provided this summary about what we can expect to see across Australia during the 2021-22 summer weather season.