It was no surprise that social media lit up with reports of voltage fluctuations having been detected more recently on the Spanish Grid, as reported by Red Eléctrica (the TSO).
As something we might refer back to later, here’s a 4-hour trend of NEM Mainland Grid Frequency on Sunday 12th October 2025 – from 09:00 to 13:00 (NEM time).
Worth noting that Saturday 11th October 2025 saw Bayswater Unit 2 perform the two-shift shuffle again.
One day after the conclusion of the inaugural NEMdev 2025 conference (during which the CIS was discussed), the announcement was made of the winners of the Tender Round 4 of the Capacity Investment Scheme.
Today (Friday 10th October 2025), the State LNP Government has released its ‘Queensland Energy Roadmap 2025’ as the replacement for the prior Labor Government’s QEJP.
Dan shares a short reflection on three high-level themes that resonated throughout the NEMDEV conference in Brisbane this week. From winter reliability to rising costs and market reform, the discussions raised important questions about...
For short term reasons (related to the Nelson Review and the NEMDev conference) and longer-term reasons, we thought it was useful to post this as a stand-alone article now.
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.
On the prior weekend (Saturday 4th October 2025 and Sunday 5th October 2025) we saw high levels of aggregate curtailment across all Large Solar Farms.
Not seeing any obvious blip in system frequency (at the time BW02 came offline on Sat 4th Oct 2025) we also looked at the similar outage on Sun 5th Oct 2025.
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.
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.
Some of our readers will be interested to note that the Factual Report into the ‘Grid Incident in Spain and Portugal on 28 April 2025’ was released on 3rd October 2025.
In part three in this series about the CIS, we look at how a curtailment provision — briefly included in drafts for Tender 1 but later removed — may raise questions about how revenue...
In part two of this four part series about the success of the CIS so far, we explore why delivery challenges may have emerged.
Recent debate has centred on the CIS’s success so far. In part one of this four-part series, we look at how projects have progressed since being awarded a contract.
Prompted by a presentation from CleanCo’s Rimu Nelson at the Queensland Energy Summit, Dan examines how operational and bidding patterns at Wivenhoe and Swanbank E have evolved since CleanCo assumed control in 2019.
In this article, we tie together various events since 1st January 2024 that featured either System Frequency outside the NOFB and large AggROT for Semi-Scheduled assets.
Earlier today we trended the incidence of large Aggregate Raw Off-Target across all Semi-Scheduled units. In this updated tabulated list, we list each of the largest instances from January 2024 to June 2025.
Categories with a longer bar left of zero are losing more of their spot energy market revenue to regulation and PFR costs.