‘Maximising profitability in the NEM’ for Wind Farms
Short note to follow presentation by Marcelle Gannon and Jonathon Dyson on Thursday 17th Sept 2020 to an audience organised by Clean Energy Council (CEC).
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.
Report of the Liddell Taskforce
A short article providing access to the much-talked-about report.
New minimum point for Scheduled Demand in South Australia on Sunday 13th September 2020
Hot on the heels of a new record low point for Scheduled Demand (a week ago) in VIC, today sees Scheduled Demand in SA plunge to 315MW in the 11:50 dispatch interval on Sunday...
Case Study of 12:20 on Wednesday 6th March 2019 (aggregate Raw Off-Target +329MW for Semi-Scheduled units)
A quick look at this dispatch interval - as the 17th Case Study in the series looking at extreme results for Aggregate Raw Off-Target for all Semi-Scheduled DUIDs.
Case Study of 15:40 on Monday 4th February 2019 (aggregate Raw Off-Target +308MW for Semi-Scheduled units)
This 16th Case Study in a series covers the first 'extreme event' into 2019 where there was an aggregate under-performance (compared to Target) across all Semi-Scheduled plant totaling greater than 300MW.
The (slow) decline of coal
Questions from several readers prompted this quick look at the long-term trend of coal generation.
ESB releases ‘Post 2025 Market Design Consultation Paper’
This morning (Mon 7th Sept 2020) the ESB released its Discussion Paper into the design of NEM 2.0 - with 7 different work streams suggested (and submissions due 19th October 2020).
Diving deeper (part 2), about low demands on Saturday 29th August 2020
Prompted, in part, by yesterday's record low for Victorian demand, today I have finished off my earlier review of what happened on Saturday 29th August (8 days earlier) when demand levels also dropped in...
Scheduled Demand in VIC drops to record low on Sunday 6th September 2020
Within the same 24 hour period as California again feels the stresses of its own extremes, we see that Victoria experiences the other side of this energy transition challenge, with a new record low...
Exploring deeper (part 1), about minimum demand on Saturday 29th August 2020
Out of curiosity, and driven by questions received from several people, I've invested a bit of time today to delve further into the record low level of Scheduled Demand seen in the Victorian region...
Victorian Scheduled Demand plunges in the middle of the day, Saturday 29th August 2020 (a new daytime record low in NEM times?)
Have not checked thoroughly, but a quick scan suggests that the low point for Victorian Scheduled Demand at 13:05 today was a new record for minimum (daytime) demand. If it is, this would be...
AEMO’s notice of Inertia Shortfall in South Australia
AEMO also published something else today which (whilst not as publicised as the ESOO) will be of keen interest to many stakeholders in South Australia...
AEMO releases its 2020 Electricity Statement of Opportunities (ESOO)
This morning (Thursday 27th August 2020) we saw the AEMO release the 2020 edition of the Electricity Statement of Opportunities.
Case Study of 5 Events (between 11:00 to 15:00) on Wednesday 7th November 2018 … where aggregate Raw Off-Target was above 300MW for Semi-Scheduled units
This 15th Case Study is longer than the earlier 14 as it deals with 4 discrete instances of extreme level of collective under-performance, and 1 instance of over-performance, all within a 4-hour timeframe on...
Some late winter mainland volatility – Monday evening, 24th August 2020
Some SMS alerts notified me of some volatile dispatch intervals this evening in mainland regions. So I took a quick look...
Solar eats a large hole in QLD daytime Scheduled Demand … lowest level in 16 years on Sunday 23rd August!
Tis the season for records, it seems, with Queensland seeing a very low level of Scheduled Demand during the day today - Sunday 23rd August 2020.
Friday 21st August 2020 sees a new record set for peak and average production across Wind Farms across the NEM
Yesterday (on Fri 21st Aug 2020) we saw a new record set for BOTH daily peak instantaneous output across all wind farms in the NEM, and also daily average output across all wind farms...
Case Study of 03:45 on Monday 15th October 2018 (aggregate Raw Off-Target +308MW for Semi-Scheduled units)
This is the 13th Case Study in this series (looking at each of 98 extreme incidents). We're looking at an event on 15th October 2018 that seems to heavily feature high-wind cut-out as the...
Case Study of 16:05 on Wednesday 19th December 2018 (aggregate Raw Off-Target +309MW for Semi-Scheduled units)
This is the 13th Case Study in this series (looking at each of 98 extreme incidents). Note I have skipped 2 events earlier in 2018 and will come back to publish case studies of...
Case Study of 16:05 on Friday 28th September 2018 (aggregate Raw Off-Target–333MW for Semi-Scheduled units)
This is the 12th Case Study in this series (looking at each of 98 extreme incidents). This one is simpler than the 11th Case Study!