Very fast FCAS, 2024 in review
A 2024 review of the trend in the very fast FCAS services captures enablements, availabilities and costs.
Articles by Linton Corbet
Linton joined Global-Roam as a software engineer and market analyst in August 2020. Prior to joining us, he worked with the AEMO for 7 years, and before that, as an air quality scientist.
Mainland grid frequency, cat ears and golf
It was captured by a keen eyed reader, that the distribution of mainland grid frequency in recent times now exhibits cat ears.
Curtailment concerns provide a view of the future
Reserve levels and curtailment estimates of November 27 indicate looming transmission challenges for the future.
Mothballed diesel generators might be brought back in SA
SA Government has requested that two recently mothballed diesel power stations be eligible for provision of emergency reserves.
AEMO’s 2024 Intermittent Generator Forum provides renewed awareness for wind and solar generators
Information spanned a wide range of topics related to intermittent generator forecasting, and included a guest presentation by the AER.
AER sends clear message on self-forecasting behaviours
Semi-scheduled generators shouldn’t treat self-forecasts as commercial parameters. The regulator holds significant concerns with the biasing of self-forecasts for commercial benefit.
Dispatch systems interruption on 2nd December, 2024
A brief note to record a NEM production systems incident today, December 2, 2024. AEMO declared a major incident (INC0138848) for the Electricity Market Management System service with 4 Dispatch intervals missed. The date and time of the occurrence was…
Availability utilisation on 27 November 2024 in NSW
Separating curtailment from being priced out, we uncover features of unit utilisation by fuel type on the 27th November 2024.
AEMO releases Transition Plan Report, December 2024
The 2024 Transition Plan for System Security ties together many of the threads identified in previous AEMO studies in developing this plan for managing system security in a low emission power system.
RERT dispatched on 27 November 2024 in NSW
A brief recap on the dispatch of RERT on 27 November in NSW compares it to demand levels at the time.
Early reprieve for NSW electricity supply from demand pressure
A demand decline in NSW supports the end to a RERT intervention in NSW on 27 November 2024.
Reliability and Emergency Reserve Trader triggered on 27 November, 2024, NSW
RERT has been triggered in NSW on 27 November 2024.
NSW energy prices less volatile than anticipated on 26 November 2024
A tight supply-demand balance in NSW didn’t produce quite as much energy price volatility as projected.
Forecast load shedding (i.e. LOR3) in NSW on Wednesday 27th November 2024 above 1,700 but now easing?
The outlook for load shedding in NSW on the 27th of November 2024 remains a possibility, yet recent STPASA runs indicate some movement in a positive direction is ocurring.
Load shedding (LOR3) projected for NSW on 26 November 2024
A LOR3 is projected for NSW on 26 November 2024.
Interruption to electricity market data on 19 November, 2024
An interruption to the NEM wholesale market data service resulted in a delay of data to industry today, 19 November, 2024.
NEM Mainland frequency patterns – historical overview from 2024
In this overview, we take a longitudinal look back at how frequency has changed over the years.
Snippets from AEMO’s summer readiness briefing for 2024-25
A sample of highlights captured from AEMO’s summer readiness briefing for 2024-25.
VIC Inertia drops low, but combined VIC+SA level stays clear
Inertia levels, measured in megawatt-seconds (MWs), dropped towards the targeted secure operating level and the minimum threshold level on 12 November, 2024.
P30 demand forecast glitch hunches
A brief look into whether rooftop PV forecast were the driver behind the demand forecast glitch on 29 October 2024.