Overview of Regulation FCAS costs in 2024
This article reviews regulation FCAS costs in 2024, relative to maximum capacity, and uncovers drivers behind high non-scheduled unit costs.
WattClarity Deeper Insights
A collection of articles about, and directly related to, WattClarity Deeper Insights Publications
Is VRE forecastable? (Part 1 in what might be a series)
Over many years we've invested deeply in analysing the nuanced answer to the question 'Is VRE Forecastable?'. This article (which has almost been posted many times before) is...
The state-of-charge for 2024: The highs and lows of the big battery boom
Following on from a similar review this time last year, Dan provides an updated look at the economics and performances within the NEM's big battery fleet, making use...
A look at curtailment through the GSD2024
After reviewing the latest version of our Generator Statistical Digest (GSD), David Leitch shares his top insights about VRE curtailment across the NEM in 2024.
Indicators of solar farm performance with GSD2024
Seeking indications of possible performance at solar sites announced in the CIS tender of 2024, we inspect statistics of nearby solar farms using the GSD2024.
New FCAS resources dominate enabled levels in 2024
Using the latest GSD – GSD2024 – we take the opportunity to reflect on FCAS enablement and how enabled levels are changing between technology types.
The GSD2024 (Generator Statistical Digest 2024) is released
It's Wednesday 5th February 2025, and we* are pleased to release the GSD2024 … following a focused effort across both teams over the period since the changeover from...
About flexibility at Mt Piper coal-fired power station … another ‘sign o the times’
Yesterday, our team produced ‘not-for-dissemination early draft’ of the GSD2024. We take a look through this (and use ez2view) to explore reports of a trial of 'two-shifting' (and...
(Update of) long-term trends of (the high points of) Aggregate Scheduled Target
In this second excerpt from GenInsights Quarterly Updates for 2024 Q2, we share (some of) the updated analysis completed of Aggregate Scheduled Target (a metric that points to...
Coal-fired unit performance has improved markedly from the ‘dog year’ that was 2022
Following the recent release of the review of 2024 Q2 (and belated release of the review of 2024 Q1) here's some updated statistics on coal unit performance.
GenInsights Quarterly Updates for 2024 Q2 released
(Last week) on Thursday 22nd August 2024 we released our 'GenInsights Quarterly Updates' detailed review of 2024 Q2, and on Friday we delivered an Executive Briefing to one...
GenInsights Quarterly Updates for 2024 Q1 belatedly released, on Mon 12th August 2024
A belated article about the belated release (on Monday 12th August 2024) of GenInsights Quarterly Updates for 2024 Q1.
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.
Presentation for the Clean Energy Council about VRE performance and firming
This afternoon, Linton and Dan spoke to an audience organised by the Clean Energy Council about VRE and firming - with some snippets to be posted on WattClarity...
Presentation to BofA Securities audience about Risk, Uncertainty and Volatility in the energy transition
Today we spoke to an audience organised by BofA Securities about Risk, Uncertainty and hence Volatility in the energy transition.
A precis of the ‘Exploring Wind Diversity’ analysis completed in Appendix 27 of GenInsights21
Almost 2.5 years since we released GenInsights21, today we're publishing this article that contains a precis of the analysis included as Appendix 27 under the title 'Exploring Wind...
GenInsights Quarterly Update for 2023 Q4 released
A somewhat belated note about our release of GenInsights Quarterly Updates report for 2023 Q4 earlier in March 2024.
How many Semi-Scheduled units were submitting Self-Forecasts through 2023 (and how many of these were actually used in dispatch)?
Our GSD2023 was released just over 4 weeks ago. This is the second sequential article utilising the GSD2023 Data Extract to take a look across all the Semi-Scheduled...
How many Semi-Scheduled units have taken advantage of the market change that went live on 7th Aug 2023?
Our GSD2023 was released just over 4 weeks ago. Finally today I have a chance to utilise the GSD2023 Data Extract to take a look across all the...
Keeping up with the curtailment: 3.7TWh of semi-scheduled economic and network curtailment estimated in 2023
A chart of the the month-by-month semi-scheduled economic and network curtailment totals, along with the top 3 worst hit units over 2023.