CS Energy releases most recent draft of the ‘Brady Report’
CS Energy has released the latest draft of the ‘Brady Report’ - a draft Executive Summary, a draft Part A (Technical) and a draft Part B (Organisational)
Articles by Paul McArdle
Paul was one of the founders of Global-Roam in February 2000. He is currently the CEO of the company and the principal author of WattClarity. Writing for WattClarity has become a natural extension of his work in understanding the electricity market, enabling him to lead the team in developing better software for clients.
Before co-founding the company, Paul worked as a Mechanical Engineer for the Queensland Electricity Commission in the early 1990s. He also gained international experience in Japan, the United States, Canada, the UK, and Argentina as part of his ES Cornwall Memorial Scholarship.
Solar Farms in south-western NSW constrained to 0MW on Monday 24th June 2024
A quick look at the ‘N-DPWG_63_X5’ constraint set as a driver for the curtailment of solar (and other) units in south-western NSW on Monday 24th June 2024.
A similar trended view of the aggregate production from Hydro Discharge across the NEM through 2024 Q2
Taking the ‘worm line’ cumulative trend recent Q2 periods (first used for wind), we now apply this to hydro during 2024 Q2 to see to what extent hydro production volumes are lower than recent...
Where’s the wind gone, through 2024 Q2? … with June perhaps even worse than April or May!
Extending the 'worm line' cumulative trend of wind production through 2024 Q2 (to 22nd June) and comparing to 2023, 2022, 2021 and 2020 reveals a picture that is, at the same time, both frightening...
Forecast for a moderate burst of wind to round out the month or June 2024
A short article looking forward to AEMO's forecast NEM-wide wind capability for the remainder of June 2024.
Trended bids (and production) from gas-fired generation over the past 90 days
A short article looking back 90 days at production volumes, and bid prices, from gas-fired generation.
Kogan Creek back online, late Friday 21st June 2024
Worth noting that on Friday evening 21st June 2024 Kogan Creek came back online, ~36 hours after it had come offline.
Tarong unit 3 comes offline late Friday afternoon 21st June 2024 – appears not planned in advance
Tarong unit 3 came offline late Friday afternoon 21st June 2024 ... we take a quick first look
Barron Gorge Unit 2 gets a run, on Friday 21st June 2024
On Friday 21st June 2024 the unit 2 of Barron Gorge hydro facility has started up - the next step in a repair process following TC Jasper six months ago.
190 minutes of low IRPM (reaching 11.01% at 18:05) on Thursday evening 20th June 2024
A brief recap on another consecutive evening of low NEM-wide IRPM - on Thursday 20th June 2024.
Kogan Creek comes offline, on Thursday 20th June 2024
Amongst other things happening in the past 24 hours, the large Kogan Creek coal-fired power station in southern QLD came offline this morning in an outage that appears anticipated two days prior ... but...
A brief review of the (only!) 88MW of wind output NEM-wide at 13:20 on Thursday 13th June 2024
In an earlier article today, we identified the 13:20 dispatch interval on Thursday 13th June 2024 was one with very, very low level of wind ... in this short article we take a very...
Correlation between low wind Capacity Factor and low IRPM (NEM-wide) in recent evenings + Thursday evening looks likely to be low, as well.
Given what's happened for Monday, Tuesday and Wednesday evening this week (and even tighter supply-demand balance forecast for Thursday evening) we take a look at the correlation between low IRPM and low Capacity Factor...
AEMO publishes ‘East Coast Gas System Risk or Threat Notice’
On Wednesday 19th June 2024 the AEMO has published this ‘East Coast Gas System Risk or Threat Notice’.
A shorter and shallower bout of low IRPM on Wednesday evening 19th June 2024
A brief recap of Wednesday evening 19th June 2024.
Tallawarra B gets a run, on Tuesday 18th June 2024
On Tuesday 18th June 2024, Tallawarra B was running for a period (after a lengthy period offline).
Tomorrow’s brief network outage (on the Rowville – South Morang 500 kV line) *might* have high impact
A short note about the (possibly high impact) short outage planned tomorrow on the Rowville - South Morang 500 kV line in VIC (re the ‘V-ROSM’ constraint set)
Federal Coalition announces 7 sites proposed for nuclear power
A very short article to record the Federal Coalition's announcement of possible sites for nuclear power stations.
NEM-wide ‘Market Demand’ above 30,000MW on Wednesday *morning* 19th June 2024
A short note about a spell of high NEM-wide 'Market Demand' on Wednesday morning 19th June 2024.
Low IRPM eventuates (as low as 10.89%), as expected, on Tuesday evening 18th June 2024 .. reaching 120 minutes
A contemporaneous record of a run of low IRPM on a NEM-wide basis that's reached 120 minutes long.