Oliver Nunn (from Endgame Analytics) illustrates how wind droughts are ‘a thing’
Returning for the second day of CEC QCES in the 'Long Duration Energy Storage' Oliver Nunn shared more insights from the Endgame modelling.
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CleanCo modelled results of one scenario in a year late in the next decade
Flagging two charts that Rimu talked through to sum up some of the observations he made about some modelled results for some (unstated) year late in the next decade.
Changed operational profiles for Swanbank E and Wivenhoe (CleanCo assets)
From the CEC QCES 2025 was this pair of charts that Rimu Nelson (from CleanCo) presented to illustrate the vastly different operating profiles for Swanbank E and Wivenhoe pumped hydro.
Some snippets, from the ‘Long Duration Energy Storage’ session on day 2 of CEC QCES 2025
A short article to wrap up some of the content delivered in the Long Duration Energy Storage session at the CEC's QRES 2025.
From the ‘Operating in the NEM’ session on day 1 of CEC QCES 2025
One of the other sessions at CEC QRES that was of interest was the 'Operating in the NEM' session, from which we'll look to share more.
Update to Constraint Violation Penalty (CVP) Factors – effective 19th September 2025
Referencing AEMO's MN129117 published Tuesday 16th September 2025 with respect to this Friday 19th September 2025.
Six different lenses to view the ESOO 2025 … giving wildly different perspectives
About 4 weeks ago the 2025 ESOO was released. In this article we highlight 3 x 2 different ways this might be viewed - and note some other dimensions not considered.
‘we’re moving fast, but not fast enough’
Also featuring in the (perhaps misnamed) 'Faster than Forecast' session was David Dixon from Rystad - here's two things that jumped out to me.
‘the ISP Step Change Scenario is divorced from reality’
A short note about some comments made by Oliver Nunn during the 'Faster than Forecast' session at Queensland Clean Energy Summit on Mon 15th Sept 2025.
The ‘Faster than Forecast’ session in the afternoon of day 1 CEC’s QCES 2025
I thought it was worth noting a couple of observations following the afternoon session at day 1 of Queensland Clean Energy Summit, titled ‘Faster than Forecast’.
Guest Authored Posts
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.
What the hail is happening with Brisbane’s weather?
Anthony Cornelius from WeatherWatch explains the climate drivers behind Southeast Queensland’s unusually intense 2025 hail season — context that matters for those tracking how extreme weather is evolving and influencing the energy market.
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