Ninth time is the charm: Callide C4’s return was another example of an overly optimistic timeline in the NEM
A chart showing the countdown to expected RTS for Callide C4, compared to the actual outage timeline.
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AEMO forecasting an LOR2 condition for SA tomorrow evening September 10th, 2024
A quick look at our forecast convergence widget, with the AEMO currently forecasting an LOR2 in SA tomorrow evening.
An updated look at monthly NEM-wide wind statistics
With the CEC's Australian Wind Industry Summit 2024 kicks off tomorrow In Melbourne (Monday 9th September 2024). So I have updated the monthly statistics for wind production across the NEM.
Callide C4 offline again, as planned–but outage extended. Have they found something?
A short update (on Friday 6th September 2024) about Callide C4, which has come off for a planned outage as part of its (re)commissioning process.
There was a second drop in System Frequency on the Mainland (at ~16:45) on Thursday 5th September 2024
There were two significant drops in frequency on Thursday 5th September 2024. Whilst the first coincided with (brief) Market Suspension, in this article we take a look at the second (around 16:45).
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.
This seems a rare instance? … an AEMO Direction in NSW (in this case to Snowy Hydro)
Market Notice 118151 jumped out at me, because it pertains to an AEMO Direction to a Market Participant in NSW. Can't recall seeing that very often?
Recovery of System Frequency on Thursday 5th September 2024
An updated trend of system frequency to ~14:53 related to AEMO IT incident INC0136004 and Market Suspension.
AEMO issues Market Notice for Market Resumption at 15:10
AEMO declares that the suspension of the spot market will end at 1510 hrs on 05 September 2024.
AEMO declares Market Suspension from 13:55 on Thursday 5th September 2024
AEMO declares the spot market suspended from 13:55 on Thursday 5th September 2024 until further notice.
Guest Authored Posts
Modelling prices in a post-coal NEM: When batteries dominate the market
Paul Bandarian and David Leitch from ITK Services share modelling results for a post-coal NEM, arguing today’s electricity prices can be maintained if batteries become the dominant price-forming technology and solar is structurally supported.
Runway cost allocation – ready for liftoff?
Allan O'Neil unpacks a proposal under consideration by the AEMC to apply “runway” cost allocation to contingency FCAS, explaining how this could materially change who pays for frequency security in the NEM.
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