Interconnector intricacies: double and triple auto-clamping of pesky negative residues
Dan looks at some recent and peculiar auto-clamping behaviour of interconnectors, and walks through the market arrangements causing these occurrences.
Inter-regional settlement residue
PEC Stage 1 in operation – be careful what you wish for
Guest author Allan O’Neil looks at how operation of Project EnergyConnect Stage 1 may affect market outcomes, with some early indications that impacts won’t be as straightforward as you might think.
What’s happening around Wagga?
Guest author, Allan O’Neil, takes a detailed look at how VIC1-NSW1 transfer capability has been limited frequently due to constraints related to the 051 line in southern NSW, and what it means in terms of inter-regional settlements residue accumulations, market efficiency overall, and the energy transition.
Expect the unexpected – It’s the NEM after all
Guest author, Allan O’Neil, returns to WattClarity with this review of southern region prices on Monday 31st January 2022 to highlight one example of counterprice flows on the VIC to NSW interconnector.
Which state pays for interconnectors?
Ben Skinner from the Australian Energy Council examines how transmission is currently funded in the NEM.
Reviewing the ‘accelerated accidental experiment’ thrust on SA during the islanding (31st Jan to 17th Feb) – a 1st review
As time has permitted, I’ve invested some time to prepare this first stage of a review of what went on during the period from 31st Jan 2020 to 17th Feb 2020 – a period during which the South Australian region formed its own frequency island following the transmission line damage. A period we’ve called an ‘accelerated accidental experiment’.
War of Losses
Some thoughts from Derek Chapman, from Adani Renewables, in conjunction with two rule change requests at the AEMC relating to Marginal Loss Factors.
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 the AEMO site links to more details. On that page, the AEMO…
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 Friday 1st March 2019
High SA Prices on Monday 9 July–Business as Usual?
One of our guest authors, Allan O’Neil, takes a closer look at what happened in the South Australian region of the NEM on Monday 9th July 2018
Monday 9th July sees yo-yo prices in South Australia
Some brief analysis of today’s price volatility seen in the South Australian region of the NEM