Elevated prices (and demand) in VIC and SA on Sunday evening 10th March 2024
A short record of evening volatility in VIC and SA during the heatwave on Sunday 10th March 2024.
Articles by Paul McArdle
One of three founders of Global-Roam back in 2000, Paul has been CEO of the company since that time.
As an author on WattClarity, Paul's focus has been to help make the electricity market more understandable.
Elevated demand in SA and VIC on Saturday 9th March 2024
A short note to record some slightly elevated demand in VIC and SA on Sat 9th March 2024 over a hot long weekend.
Three recent news media articles about the replacement of (and/or short term delay to closure of) Eraring Power Station
Worth noting these three recent news articles from the past 8 days, all pertaining to the slated closure of the Eraring Power Station as early as 19th August 2025 (under 18 months away), but reporting different perspectives.
8th March 2024–CleanCo’s Update #1 about the repair and return to service of Barron Gorge Power station
A brief, and belated, post here to link through to this Update #1 on the Kuranda Weir Recovery Project (published by CleanCo on 8th March 2024)
Case Study of Sunday 12th November 2023 (lowest point for Aggregate Scheduled Target in 2023)
A 2nd short article falling out of GenInsights Quarterly Updates for 2023 Q4. This one looks at Sunday 12th November 2023 and shows the lowest point in 2023 for NEM-wide Aggregate Scheduled Target (and the largest ramp in Q4).
Case Study of Friday 8th Dec 2023 (big gyrations in Aggregate Scheduled Target)
A short article looking at Friday 8th December 2023 looking at NEM-wide Aggregate Scheduled Target on the day.
Moderately high demand forecast for South Australia on the Adelaide Cup Day long weekend
A quick look (Friday morning 8th March 2024) to moderately high levels of demand forecast for SA in heatwave conditions this long (Adelaide Cup Day) weekend.
Antony Stace’s question about the step change (down) in QLD demand forecasts in AEMO MT PASA runs during February 2024
A question this morning by Antony Stace (on LinkedIn) about AEMO’s demand forecasts for QLD prompts some further context here in this WattClarity article, with quick use of ez2view.
Stanwell unit 1 still (mostly) running Fixed Load (Part 2) … but took time for a TTHL test on Wed 6th March 2024
A short note recording the ‘trip to house load’ (TTHL) test at Stanwell unit 1 on Wednesday 6th March 2024 … using the same parts of the plant subject to concerns about fatigue damage.
Temporary replacement towers up, for the Moorabool Sydenham No2 500 kV line (from 12:10 on Wed 6th March 2024)
That same reader has helped point out that temporary towers brought the Moorabool Sydenham No2 500 kV line back into service on Wed 6th March 2024 (following No1 line RTS on Sun 25th Feb 2024).
A long-range trend of large instances of Aggregate Raw Off-Target (AggROT) across all Semi-Scheduled units
The second article today (falling out of analysis for GenInsights Quarterly Update for 2023 Q4) presenting a long-term trend of the incidence of large instances of Aggregate Raw Off-Target across the growing number of Semi-Scheduled units operating in the NEM.
A 20-year trend of large instances of Aggregate Raw Off-Target (AggROT) across 44 x coal units to 31st Dec 2023
A first article today (falling out of analysis for GenInsights Quarterly Update for 2023 Q4) presenting a long-term trend of the incidence of large instances of Aggregate Raw Off-Target across the 44 x operational coal units currently operating in the NEM. A hypothesis as to the cause of recent changes, and some questions …
Spot price volatility in TAS on Sat 2nd March 2024
A short record of some afternoon volatility in TAS on Saturday 2nd March 2024.
Curtailment of Large Solar in NSW on Thursday afternoon 29th Feb 2024 exacerbated the price volatility
A quick look back at Thu 29th Feb 2024 – a day where afternoon (congestion-based) curtailment of Large Solar in NSW exacerbated the tight supply-demand balance and spot price volatility.
Consultation opens (and webinar next Friday) on Design Paper for ‘Capacity Investment Scheme’
On Thu 29th Feb 2024 (a day when NSW saw high demand, was stretched in terms of available capacity, and benefited from the electricity and other services provided by soon-to-close Eraring) the Dept of Energy in Canberra released a Design Paper on the expanded Capacity Investment Scheme. A very appropriate day for release …
A quick summary of aggregate yield from Large Solar on Tuesday 28th November 2023
A quick look back at Tuesday 28th November 2023, a day of lowest Large Solar yield through 2023 Q4.
Derivation of Underlying Demand in NSW on 30th and 31st Jan and 1st Feb 2011
Winding back the clock to summer 2010-11 we take a look at (our derivation of) Underlying Demand for NSW on 30th and 31st Jan and Tuesday 1st Feb 2011.
Derivation of Underlying Demand in NSW on 16th, 17th and 18th January 2013
Winding back the clock to summer 2012-13 we take a look at (our derivation of) Underlying Demand for NSW on 16th, 17th and 18th January 2013.
Derivation of Underlying Demand in NSW on 8th, 9th and 10th February 2017
Winding back the clock to summer 2016-17 we take a look at (our derivation of) Underlying Demand for NSW on 8th, 9th and 10th February 2017.
Derivation of Underlying Demand in NSW on 29th, 30th and 31st January 2019
Winding back the clock to summer 2018-19 we take a look at (our derivation of) Underlying Demand for NSW on 29th, 30th and Thu 31st Jan 2019.