Morning energy price volatility in SA on 18 July 2024
Spot price volatility was observed in SA on the morning of 18 July 2024.
Articles by Linton Corbet
Linton joined Global-Roam as a software engineer and market analyst in August 2020. Prior to joining us, he worked with the AEMO for 7 years, and before that, as an air quality scientist.
Preliminary Report Released: NSW Load Shedding on 8 July 2024
A challenging sequence of events is detailed in the preliminary report on load shedding in NSW on 8 July 2024.
First Bidirectional Units on 4th July 2024
Today, 4 July 2024, we see the first bidirectional units (BDUs) effective in Production in the Australian NEM (National Electricity Market). This new category of unit was created to improve integration of energy storage systems into the NEM. Changes to…
AEMO releases the 2024 ISP
The release of the 2024 ISP is a key focal point in the energy transition. Released today, 26 June, we note the publication and media attention.
Potentially challenging lack of reserve conditions in NSW over 18 to 21 June 2024
Prompted by sequence of alerts about of lack of reserve market notices I delved in to the data to understand where and when using the LOR outlook for the NEM’s regions in ez2view. The alerts were configured on market notices…
Elevated prices in SA on 4th June 2024
A brief run of high energy prices in SA on 4th June 2024 was observed in the evening. Energy prices as projected in the predispatch runs from earlier in the day had threatened to reach above $15000 but as time…
Energy Price Volatility in NSW on 7 May 2024
A short initial article about the spot price volatility in NSW on Tuesday evening 7th May 2024
Regulation FCAS Costs in 2023
Following a presentation with the CEC, Linton shared some insights into FCAS Regulation costs for wind and solar units over last calendar year.
Tasmania’s grid frequency on Friday 12 April 2024
Three data points points help to highlight the change in grid frequency in Tasmania on 12 April 2024.
Supply-side responses following the trip of two Eraring units on Wednesday 3 April 2024
An inspection of bids and dispatch outcomes indicates some units helped compensate for the loss of supply with the trip of ER01 and ER02.
Eraring Units Back
The two Eraring units that had tripped on Wednesday 3 April 2024 were returned to service by 11pm that evening.
Cloud impacts on demand, a review of NSW on 29 February 2024
The Russ Christ Effect can be described as cloud impacts on rooftop PV arriving before any associated cooling conditions. We consider the extent to which a sudden and unforecast jump in demand was driven by this phenomenon.
VIC Demand Running above Forecasts on 22nd February 2024
A brief chart to capture VIC demand climbing above expectations.
Part 2: Too much rooftop PV in SA, almost, as forecast for 15th February 2024
An an elevated risk of the contingent disconnection of Distributed PV resurfaces for SA on 15 February 2024 with market notice 114743.
Too much rooftop PV in SA, almost, as forecast for 15th February 2024
Market notice 114741 cancelled the notice of a high risk of curtailment of distributed PV in SA on 15 February 2024.
Towers down near Geelong on 13th February 2024
A photo of downed transmission towers near Geelong, reported in ABC News’ blog, was observed on 13 February 2024.
Grid frequency on 13th February 2024
Grid frequency had dropped to 49.689 Hz. We take an initial look into the timeseries of grid frequency recorded on the day.
GSD 2023 Uncovers Features in FCAS Enablement and Bidding
The release of GSD2023 supports a deep dive into its 10-year FCAS history section. We inspect three units of differing technology and make use of the data extract to uncover trends in participation.
Engie announces early closure of two dispatchable South Australian power stations
It was an article in the AFR, on the 6th of February 2024, that drew our attention back to generator closures. Engie have announced the early closure of Snuggery and Port Lincoln Power Stations.
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.