We need more research on storage trading
In this guest post, Greg Williams calls for more research into how storage bidding—particularly auto-rebidding—is reshaping price formation and competition as flexible assets take centre stage in the NEM.
Energy Transition
A large collection of articles pertaining to the ongoing ‘Energy Transition’ in any of a number of ways.
Specific sub-categories relate to such things as Coal Closure, and other aspects of the transition.
North-south switcheroo as solar conditions swing opposite directions over Autumn 2025
Rainfall and cloud cover has split Australia this autumn, delivering a mixed bag of solar irradiance conditions for solar farms across the NEM.
What’s happening to contingency FCAS prices? Is the current pattern of BESS bidding threatening demand response?
Paul Moore of Viotas look at recent supply-demand dynamics within the contingency FCAS markets and whether demand response can play a role.
Examples of self-forecasting behaviours – part 5 – afternoon underestimations
A sequence of afternoon intervals stand out because the forecast appeared to be biased low – self-forecasts suddenly dropped roughly 30-40 percentage points and then increased a short time later.
Examples of self-forecasting behaviours – part 4 – avoiding SDC periods
Theoretically, if a self-forecasting system never offers forecasts for more than 60% of intervals it may perpetually skip the performance assessment and the system could continue for use unsuppressed.
Beyond the fence line: Why risk needs to be part of your renewable project narrative
This guest-authored post by Cameron Shield from Lockton follows on from his presentation at the CEC's Investor Forum earlier this year, where he urged the audience to "sell risk, don't buy insurance".
Examples of self-forecasting behaviours – under the hood of part 1
Taking a guess at frequency need to earn a positive causer-pays factor through self-forecast biasing appears at-best uncertain in the intervals we review.
Examples of self-forecasting behaviours – part 3 – lunar megawatts
In another style of biasing a self-forecast, "lunar megawatts" represent an expectation of solar farm generation at night when it really should be zero.
Examples of self-forecasting behaviours – part 2 – relative accuracy
The forecast differences would contribute to improved lower RMSE and MAE scores, relative to AWEFS_ASEFS, in the weekly performance assessment.
Examples of self-forecasting behaviours – part 1 – biasing
In today’s article (part 1 in this series) we present an example of biasing (at an unnamed solar farm), which we find aligns with FCAS cost mitigation.
Stacking up: Unlocking multiple revenue streams in the NEM
Ben Nethersole from Baringa summarises the different contracting routes available for renewables and storage, and how project business cases are increasingly stacking these together.
A trend of aggregate ‘Dispatch Error’ for each Semi-Scheduled fuel type on Monday 26th May 2025
Let’s now return to Monday 26th May 2025 to look at aggregate ‘Dispatch Error’ across both Semi-Scheduled fuel types for all dispatch intervals in the day.
Was Monday evening’s new record wind production well forecast in advance?
Taking a closer look at the new 'highest ever' point for NEM-wide Wind Production on Monday 26th May 2025, and how well this was forecast in advance.
Buronga No.5 330kV synchronous condenser has been commissioned in NSW
AEMO notes that 'At 1700 hrs 20/05/2025, the Buronga No.5 330kV synchronous condenser has been commissioned.'
Adoption and use of dispatch self-forecasting for solar units, Q1 2025
47% of dispatch intervals for semi-scheduled solar units are seeing a self-forecast used. When there are gaps, was the unit suppressed?
Directions up to almost five a day
In this article we delve into the indicators we can uncover which point to the increase in market interventions and generator directions over recent years.
Callide C out of Voluntary Administration
A short not tying together several different notes about Callide C - the part buyout by 7GI and resurrection of out voluntary administration (and outage on C3).
Aligning business cases with the current, and future, reality
Following his presentation at the CEC's Wind Industry Forum, Jonathon Dyson shares lessons learned from helping developers and operators of wind projects in solidifying their business case.
A review of the traditional form of Demand Response (part 1)
I'm slated to participate at a panel session at the EUAA National Conference on Wednesday 7th May 2025, so have prepared some analysis to talk through...
There are (at least) 4 Lenses, through which to view Coal Closure
The way I see it, there are at least these 4 lenses that need to be viewed together to understand the complexities relating to coal closure.