More than 40,000 customers without power in NSW on Wednesday 2nd July 2025 after wild weather overnight
Wild storms over night have impacted parts of the Ausgrid, Endeavour and Essential Energy distribution networks in NSW.
All Posts
Keep an eye on the SA Cumulative Price this evening on Wednesday 2nd July 2025
After an extended burst of high prices last night, and a short burst this morning, the cumulative price in SA has moved closer to CPT territory.
NSW records highest winter demand in fifteen years, whilst high prices eventuate in SA on Tuesday evening 1st July 2025
Cold winter conditions in NSW have pushed market demand in the region above 13GW this evening. Meanwhile, high prices have stuck around in SA.
Directions Paper adjusts approach to loop IRSR
Under the new direction proposed, netting off would be applied to allocate IRSR. The proposal is open for feedback until 10 July 2025.
VNI West given an official two year delay, with expected completion date pushed back to late 2030
Transmission Company Victoria (TCV) yesterday announced a two-year delay to the project delivery timeline for the VNI West project.
Market Price Cap increases to $20,300/MWh from today, 1st July 2025
With the start of the new financial year, today marks the first step in the AEMC’s staged reform of the Market Price Cap, with it rising to $20,300/MWh — the first of three scheduled...
Triple C conditions (cold, calm and cloudy) across the NEM last Thursday evening 26th June 2025
Carl Daley examines the underlying conditions and outcomes that occurred last Thursday evening, the 26th of June.
East coast low brings challenging conditions for start of July in 2025
The weather forecasts are alerting to the formation of an East Coast Low this week. The low is expected to sit just off the eastern cost of Australia, adjacent New South Wales.
Evening volatility on Friday 27th June 2025
Another run of energy spot price volatility occurred on Friday 27th June 2025.
How low did it go? NEM-wide wind production in recent days
We've already noted the ‘New all-time record for NEM-wide wind, on Monday 23rd June 2025’. But how low did wind production drop, on Thursday 26th June 2025?
Guest Authored Posts
The increasingly stochastic and volatile NEM
Oliver Nunn from Endgame Economics argues that we must begin to think about the distribution of prices in the NEM as a function of weather.
Not all renewable projects are created equal: Why approval times vary dramatically across Australia
Alice Matthews examines how approval times for renewables vary widely by state and technology — with NSW wind projects facing the longest delays.
Detailed Analysis
Case Study of 17:05 on 27th October 2022 (+861MW AggROT for Semi-Scheduled units) … Part 1 of (an uncertain number)
In Part 1 of this Case Study, we start to look at the large collective under-performance across all Semi-Scheduled units (i.e. Wind and Large Solar) at 17:05 on 27th October 2022. More to come...
Unavailability of coal units hits 24% across calendar 2022 (but they are *not* collectively tripping more often)
This second excerpt from GenInsights 2022 Q4 Update highlights some of what's seen in terms of the performance of coal units.
Weather! The cause of.. and solution to.. all the electricity market’s problems?
Dan Lee tracks the demand forecasts against the actual outcome in QLD last Friday afternoon. The final result was as much as ∼1,000MW lower than the maximum forecast of demand published by the AEMO,...
The Generator Statistical Digest 2022 (GSD2022) is released
Following a focused effort over the past two months, we've released the updated statistical record of operations in Australia's National Electricity Market ... the Generator Statistical Digest 2022 (GSD2022)
How common are islandings and transmission tower failures in the NEM?
In light of recent events, Dan Lee does some digging to find historical incidences of islandings and transmission tower failures.
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...
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.
AER identifies (at least) 9 discrete factors contributing to the extreme price outcomes (and other concerns) through Q2 2022
With the AER having released its 'Wholesale Markets Quarterly' for Q2 2022 yesterday, I skimmed and saw 9 discrete factors flagged ... each of which contributed to the extreme (price and scarcity) outcomes seen...