A year-by-year look a changing times for “Gate Closure #3”
Gate Closure #3 represents the cut-off time for solar and wind availability forecasts to be used in dispatch. Since 2019 the timings are reducing and narrowing.
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.
Temperatures in the stratosphere may influence electricity supply
Stratospheric warming over Antarctica may have helped bring about the extended period of strong winds in the southern NEM regions.
Wet weather in QLD brings reduced solar output during August 12 and 13, 2024
The wet weather in Queensland has impacted solar energy production.
A look at storage levels at the Iona underground storage facility, August 2024
The role of gas for firming electricity supply, alongside general consumption, means gas storage levels at Iona continue to be critical in the helping to meet our current and future energy needs.
An initial pass over ENERGY bids during price volatility of 30th July 2024 (focused on South Australia)
Five key takeaways arise from an initial inspection of energy bids on the 30th July 2024, where extended periods of high energy prices eventuated.
Energy price volatility on 30th July 2024
Observations of price volatility on 30th July 2024.
Morning energy price volatility in SA on 18 July 2024
Spot price volatility was observed in SA on the morning of 18 July 2024.
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.