What’s happened to those Semi-Scheduled units registered to provide FCAS?
Following a question from a client today, we take a quick look at (some of) what the GSD2024 reveals of FCAS market participation of Semi-Scheduled units.
FCAS
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.
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.
Aggregate enablement of RaiseReg FCAS from units in the mainland (excluding Basslink) on Tuesday 13th February 2024
A short article trending (through Tue 13th Feb 2024) aggregate enablement of Raise Regulation FCAS in DUIDs on the mainland ... i.e. excluding Basslink.
GSD 2023 Uncovers Features in FCAS Enablement and Bidding
The release of GSD2023 supports a deep dive into its 10-year FCAS history section. We inspect three units of differing technology and make use of the data extract to uncover trends in participation.
Very fast FCAS markets continue to grow
Six observations from a chart summarising how capacity, availability and volumes enabled have changed over the early phase of the very fast FCAs markets, since commencement on October 9, 2023.
Very fast raise service to be expanded
The requirement for the very fast raise contingency service is set to increase to 100 MW. We review availability and bids to consider the impact.
AGL (Bayswater and Loy Yang A) fined for inability to supply FCAS services
An article in the Australian this morning alerted me to yesterday's Federal Court ruling against AGL Energy for not supplying contingency FCAS services (from Bayswater and Loy Yang A) when enabled by NEMDE. Here's...
Measurement timeframes for Raise Contingency FCAS … from the MASS Version 8
Because we’ll be referring back to it in future, we’ve lifted out Figure 8 from the MASS version 8 (p36/39) and included it here in this belated (and back-dated) article
Very Fast Raise and Lower FCAS markets to start on 9 October 2023
Very Fast FCAS, because it operates at a faster timescale, can arrest the rise or fall in frequency more rapidly than the current fast service and therefore provides an avenue to mitigate the costs...
About the low Operational Demand on Sat 16th Sept and Sun 17th Sept 2023
Following the low levels of demand over the weekend (Sat 16th and Sun 17th Sept 2023) here's a few quick notes.
Looking back at FCAS on 1 August 2023
Don't forget about FCAS when the energy market starts to steal the spotlight.
Enablement of ‘MaxAvail’ in the Bid for Semi-Scheduled units to go live (Mon 7th or Tue 8th Aug 2023) … and other enhancements in future
2 x AEMO Market Notices this afternoon prompt this article about four upcoming Market Enhancements ... with the first to planned to commence from next Monday 7th August 2023
Investigating last Friday’s frequent frequency swings
Allan O'Neil provides an explainer about how small deviations in supply and demand are managed in the NEM, in order to help us understand the apparent swings in frequency that we noted in QLD...
Who drove FCAS on the island
Close to $31.5M of revenue was generated in the FCAS markets in SA over the seven days that the region was frequency separated from the rest of the NEM. This follow-on from Allan O’Neil’s...
FCAS driving the island?
Guest author, Allan O'Neil, contributes his first article with respect to the islanding event in South Australia of November 2022 (in this article taking a look at FCAS market outcomes in South Australia).
Administered Pricing begins for FCAS (Lower Reg) in SA at 12:50 on Monday 14th November 2022
An AEMO market notice published just now has alerted that Adminsited Pricing has been declared for FCAS in SA after the Cumulative Price Threshold for the Lower Reg commodity was hit.
AEMO publishes ‘Scheduling Error Report’ related to problems experienced on 10th August 2022
Also this week, the AEMO published a report about the glitch in the dispatch process that occurred back on 10th August 2022.
What was the total cost of ‘keeping the lights on’ across the NEM in June?
Dan Lee provides some exploratory calculations in order to estimate the total cost of maintaining electricity supply throughout a very turbulent June.
Administered Pricing ended at 04:00 on Thursday 23rd June 2022 (and an FCAS price glitch)
A short note about the end of the Administered Pricing Period (for now?) from 04:05 on Thursday 23rd June 2022.