About claims that AGL was responsible for the uplift in prices after Hazelwood closed
With another upsurge in interest in the effect of Hazelwood closure on price outcomes in the NEM, we've invested some time to provide these thoughts.
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Peak Wind Output in the NEM has climbed above 4000MW
A large block of green (signifying wind) in our NEMwatch dashboard this morning prompts a look at what the all-time maximum production is these days...
Price Setting Concepts – an Explainer
Guest author, Allan O'Neil, contributes to our series of articles explaining how prices are set the the NEM (as part of how dispatch works). In this article, Allan...
A twenty year review of Marginal Loss Factors
Last week the AEMO released a draft of the Marginal Loss Factors (MLFs) that would apply to both generation and loads connected to the NEM. This page on...
A (Much) Deeper Dive into Friday March 1 2019
Guest author, Allan O'Neil, drills into considerable depth to understand, and clearly explain, some of what happened during a volatile period in the VIC and SA regions on...
The Network Investment Paradox
Guest author, Drew Donnelly, compares case studies of Argentine and Australia to highlight risks in under and over-investment in network infrastructure
The death* of “baseload” and rise of “cycling”
A quick article highlighting how the trend in aggregate number of unit starts, across the whole of the NEM, highlights the scale of one of the core underlying...
Some thoughts about Demand Response, in parallel with AEMC deliberations
A collection of thoughts that have been bumping around in my head for some time about the latest push by various parties to facilitate a broader range of...
Villain #6c – Demand Response is not a magic wand
A note of caution, that Demand Response is not a magic wand - it *can* achieve a lot, but if can't be assumed to automatically appear to bridge...
Villain #5d – obsessing about Negawatts, when the real objective is (broader) Demand Response
One more example of not focusing on the real problems seems to be a tendency for some to obsess about one narrow type of Demand Response (i.e. dispatch...
A brief look back at reactions to negative prices in the 14:30 trading period on Friday 1st March 2019
Yesterday I noted what appeared to be trips of two solar farms - Gannawarra and Karadoc - within a single dispatch interval and coincident with a period of...
Price volatility in VIC and SA on Friday 1st March
Some quick notes about the volatility seen in the NEM on Friday 1st March 2019 - a hot day in Victoria and South Australia, the first day of...
Lessons Learnt from Amber’s first summer of Spot Exposure in the NEM
Now that summer 2018-19 has passed, we can reflect on our experiences as a new entrant energy services company facilitating spot exposure for residential energy users - and...
A (preliminary) Intermediate Guide to How Prices are Set in the NEM
In the process of assembling a long-range data set on how much every single generator has contributed to the price of Energy in each Region of the NEM...
It’s heating up, in Victoria and South Australia for Friday 1st March
An AEMO Market Notice about "Generator Recall" for Friday's forecast hot weather in South Australia and Victoria prompts a quick look at what's changed in the forecast that...
Factors contributing to an unforeseen price spike in NSW at 16:15 on Thursday 31st January 2019
Taking a brief (well, actually longer than intended) look into the various factors that delivered a price spike above $10,000/MWh on Thursday 31st January in NSW - and...
New all-time record for electricity demand in Queensland on Wednesday 13th February 2019
The Queensland region of the NEM saw a new all-time record for peak electricity demand today (Wed 13th February 2019) by several different measures. A bit later in...
Very preliminary review of Quantity and Quality of Rebids suggests some interesting details…
As part of the process of compilation of our Generator Report Card 2018, we're delving into quite some detail into various aspects of generator bidding and re-bidding. Today...
Looks set for a peak demand in QLD on Wednesday up near the all-time maximum
Currently (as at Monday morning 11th February) AEMO forecasts indicate that Queensland electricity demand on Wednesday afternoon will come very close to an all-time record.
AGL Investor Presentation reports on Portfolio Availability–we take a look for key Stations
AGL released its investor presentation yesterday - several people flagged the availability stats within the presentation (they knew we were looking at aspects of reliability for our Generator...