EY-ROAM modelling for Queensland Energy Plan released
It’s under 2 weeks since the Queensland Government released its much-awaited Energy Policy. Some reports into the modelling behind this (from EY-ROAM) has been released.
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.
How much capacity would be required to replace Loy Yang A power station?
Following the published note of scepticism/concern about the energy transition from several industry CEOs in the AFR on Friday, we take a quick look at the replacement capacity needs just for Loy Yang A power station to illustrate the enormous scale of the challenge.
Analytical challenge (or beginner mistake!) – understanding the difference between a MW and a MWh
Reposting a portion of an article we published some years ago, to help readers understand the difference between a MW and a MWh.
AEMO briefly forecasts load shedding for NSW on Saturday morning 8th October (possibly data glitch?)
A quick initial look at (what appears to be) a strange aberration in the AEMO forecast data, with load shedding briefly forecast in NSW tomorrow morning.
‘Market Demand’ in Victoria drops to a new low point on Sunday 2nd October 2022 … and ‘Operational Demand’ as well
A short article with the Victorian ‘Market Demand’ dropping to new low point for minimum demand on Sunday 2nd October 2022.
*Was* solar production disappointingly low through (parts of) Q2 2022 … and, if so, why?
It’s taken longer than expected – but today I’ve posted this article that goes some way to answering the question ‘to what extent was solar production disappointing through periods of Q2 2022?’
AGL announces that they might close Loy Yang A as early as 2035 … 10 years earlier than previously stated
Also on Thursday 29th September 2022 we had AGL Energy’s ‘earlier than previously stated’ closure announcement for Loy Yang A power station.
Tag team releases today– ESB’s ‘Health of the NEM’ and AER’s ‘State of the Energy Market’
Two headline reports (one from the ESB, one from the AER) released today, so readers can consider them together.
Analytical Challenge – remembering to consider that *Other* Dimension of Time
In this article we explain a different (and sometimes quite powerful) way of reviewing some performance metrics in relation to the passage of another dimension of time.
QLD Government releases ‘Energy and Jobs Plan’
On Wednesday 28th September 2022 the Queensland Government has launched its much awaited Energy Policy.
Analytical Challenge – choosing what measure to use, for ‘Installed Capacity’
Prompted by a number of different factors in recent times, in this article we explain why assessing a units ‘Installed Capacity’ is significantly more complex than it might initially appear!
Minimum Demand drops lower, on Sunday 25th September 2022 – for the NSW region, and also NEMwide
A short article on Sunday 25th September 2022 to record some new low points for ‘minimum demand’ in the NSW region, and on a NEMwide basis.
Two charts from ‘Smart Energy Queensland’ presentation, illustrating the electricity supply mix in Queensland
Following a presentation today at ‘Smart Energy Queensland’ here are two slides to start with – illustrating the fuel mix in electricity supplies in the NEM.
AEMC published final determination for ‘Primary frequency response incentive arrangements’
Some brief notes about the publication by the AEMC (on Thu 8th Sept 2022) of the Final Determination with respect to PFR Incentive Arrangements.
‘Minimum Demand’ records pushed lower in QLD on Sunday 11th September 2022 … re ‘Emergency backstop mechanism’
‘Minimum Demand’ for the QLD region (in recent years and excluding 25th May 2021) drops lower still on Sunday 11th September 2022.
Preparations underway, for next Wednesday’s presentation at Smart Energy Queensland
Spoilt for choice for what to speak about on Wednesday 14th September 2022 at ‘Smart Energy Queensland’ conference.
A deeper (but still incomplete) look into the Overnight volatility in South Australia (i.e. part 2)
A follow-on second look at the volatility experienced in South Australia around midnight beginning Thursday 8th September 2022.
Overnight volatility in South Australia – part 1
A run of volatility in South Australia lasting ~90 minutes triggered a few alerts.
AER identifies (at least) 9 discrete factors contributing to the extreme price outcomes (and other concerns) through Q2 2022
With the AER having released its ‘Wholesale Markets Quarterly’ for Q2 2022 yesterday, I skimmed and saw 9 discrete factors flagged … each of which contributed to the extreme (price and scarcity) outcomes seen through Q2 2022.
There’s plenty of wind, but the SA price is still spiking today (Wed 7th Sept 2022)
A quick marker for some volatility thus far today in South Australia.