Australian Government vows to cut its emissions by 62 to 70 per cent by 2035
On Thursday 18th September 2025, the much-awaited announcement has been made about our climate targets for 2035.
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ESIG Report ‘Testing the Performance of Grid-Forming Resources’ released
Today we received notification from ESIG of the release of their report ‘Testing the Performance of Grid-Forming Resources’.
Belatedly highlighting the AEMO’s ‘Technical Review of the NEM Frequency Control Landscape’ from July 2025
Back in July 2025 we saw the AEMO had released this ‘Technical Review of the NEM Frequency Control Landscape’ … but are only noting this here now.
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.
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.
Guest Authored Posts
Why Gladstone’s prospective closure reveals a new kind of NEM failure
With the Queensland state government’s new energy roadmap due out tomorrow, Greg Elkins highlights how distorted signals and state interventions expose a new NEM failure.
The increasingly stochastic and volatile NEM
Oliver Nunn from Endgame Economics argues that we must begin to think about the distribution of prices in the NEM as a function of weather.
Detailed Analysis
Putting Monday’s record-breaking demand in QLD into context (22nd Jan 2024)
Still trying to make sense of what did and didn't happen in QLD last night, Dan Lee provides some context to how yesterday's record-breaking demand compares to similar historical events.
The early wind farms reaching 20 years: how are they performing?
With Challicum Hills Wind Farm recently celebrating its 20th anniversary, Dan Lee takes a look into the long-term trend of technical and commercial performance of the oldest wind farms in the NEM.
Dan Lee’s reflections about ‘the year that was in 2023’ via the WattClarity insight service
Yesterday (Thu 22nd Dec 2023), Dan Lee posted a summary of WattClarity service through 2023 on our company website. Today I'm sharing that with WattClarity readers here.
Case Study (Part 2) of Low % VRE NEM-wide on 3rd and 4th July 2023
The second part of an ongoing case study examining two successive days of low VRE generation in early July 2023. This part examines IRPM, earlier forecasts of available generation and maps the availability by...
Case Study (part 1) of low % VRE NEM-wide on 3rd and 4th July 2023
A brief article as a first Case Study looking at Mon 3rd and Tue 4th July 2023, in conjunction with the compilation of GenInsights Quarterly Updates for 2023 Q3.
Demand Response as Market Participant: Square Peg in Round Hole?
A year ago we reviewed the market outcomes of wholesale demand response (WDR) in the NEM. It’s been 2 years now, providing a new milestone from which to review participation and impact. Can we...
Long or short on storage? A look into price signals for duration
Dan Lee looks into utility-scale storage in Queensland - including the need for megawatt-hours, the state of the build-out, and the current market price signal for duration.
GenInsights Quarterly Update for Q2 2023 released
A quick note to mark the the release of GenInsights Quarterly Update for Q2 2023 last week.