Case Study of inertia supplied by source in the NSW grid on Tuesday 14th November 2023
With GenInsights Quarterly Update for 2023 Q4 completed, and some time till the end of 2024 Q1, we've looked back at Tuesday 14th November 2023 (when AEMO had...
Spring 2023 in the NEM
A quick summary of aggregate yield from Large Solar on Tuesday 28th November 2023
A quick look back at Tuesday 28th November 2023, a day of lowest Large Solar yield through 2023 Q4.
Brief details of low % VRE on Thu 19th Oct 2023 (Case Study Part 1)
A short note (with GenInsights Quarterly Updates for 2023 Q4) about the low % VRE seen NEMwide on Thursday 19th October 2023.
Brief details of IRPM through the day on Monday 20th November 2023
A short note (in conjunction with some analysis for GenInsights Quarterly Updates for 2023 Q4) about the narrow band of IRPM seen through the day on Monday 20th...
Sky-high IRPM in the middle of the day, Sunday 1st October 2023
A short note (in conjunction with some analysis for GenInsights Quarterly Updates for 2023 Q4) about the high level of IRPM seen on Sunday 1st October 2023.
Case Study – Severe Weather Challenges Day-Ahead Forecasts for 7, 8, 9 September 2023
A bout of severe weather for many parts of south-eastern Australia brought challenging weather conditions which appear to have impacted variable renewable energy forecasts for the NEM. The...
Thunderstorms in South Australia impact ~30,000 electricity customers on Tuesday 28th November 2023
Thunderstorms impacted parts of South Australia electricity system in the early hours of Tuesday morning, with two syncons tripping and around 30,000 customers experiencing outages.
Forecast low System Strength of concern in NSW for Tuesday 14th November 2023 … first time ever?
A quick note about a forecast by AEMO of shortfall in system strength in NSW region for Tuesday 14th November 2023.
Victoria’s ‘Market Demand’ low point drops further–on Sunday 12th November 2023
A quick record of Sun 12th Nov 2023, with 'minimum demand' dropping further in Victoria
Spot price volatility in South Australia on Thursday evening 9th Nov 2023
A quick review of spot price volatility seen in South Australia on Thursday evening 9th November 2023.
Media Release = ‘Capacity Investment Scheme supports NSW to deliver 1 GW of cleaner, cheaper, more reliable energy’
The Media Release from the NSW Department of Energy on 22nd November 2023 noting 1,075MW of new firming capacity in NSW - targeting operational date of December 2025.
Challenges with a global-only FCAS requirement
The very fast FCAS markets started on 9 October 2023 and now a Basslink outage presents a confusing situation for required and enabled levels.
Minimum Market Demand in NSW drops lower still, on Sunday 29th October 2023
As the SMS alerts continue, here's an article to record the new low point for Market Demand in NSW on Sunday 29th October 2023.
Brief period of ‘Actual LOR2’ in the SA region Friday evening 27th October 2023 with low wind and constrained imports
A quick review of a short period of 'Actual LOR2' in the South Australian region on Friday evening 27th October 2023.
Brief loss of load around Townsville in the early hours of Saturday morning 21st October 2023
A quick initial article on Saturday morning 21st Oct 2023 about a significant loss of load in the Townsville area early this morning following a trip of some...
Possible coal supply issues at Mt Piper coal-fired power station to last until the end of 2023?
A short note to echo EnergyAustralia's warnings (reported in the Australian) about possible coal supply issues for Mt Piper power station.
Not so fast … the Bouldercombe Battery is not yet back into service, after the fire
Seeing another reference to 'Bouldercombe BESS only offline for a day' on social media prompts this article, to prevent further misconceptions...
Has rooftop PV in South Australia recently been curtailed with these low points for demand?
Echoing a question we've been asked - about the extent to which rooftop PV has been curtailed as a result of these minimum demand points.
New lowest point for NEM-wide demand also set on Sunday 1st October 2023
Looking back at yesterday (Sun 1st Oct 2023) it appears to also have seen a lowest point for NEM-wide demand by both measures ... lower than the low...
‘Minimum Demand’ in South Australia drops further below 0MW on Sun 1st October 2023 – measured by Market Demand
Also noteworthy on Sunday 1st October 2023 was a lower point for 'minimum demand' seen in South Australia ... with 'Market Demand' down to -37MW and 'Operational Demand'...