Here’s a collation of articles tagged with ‘counter-price flow’.
To learn more about what this phenomenon is, see this WattClarity Glossary Page for Counter-Price Flow.
Guest author, Allan O'Neil takes a look at one particular dispatch interval (09:20 on Sunday morning 4th October 2026) to explore an instance of counter-priced flow incorporating the South Australian and neighbouring regions (including via PEC Stage 2).
As noted in this NEMwatch snapshot at 13:35 (NEM time) on Friday 6th February 2026, a very similar pattern (perhaps including similar behaviours) is emerging today, with similar afternoon volatility in NSW.
Today in NSW we saw large price spreads, material network curtailment, wild swings in demand, and several other factors unfold. This article summarises some of the high-level drivers of today's events.
A very quick article to record the price spike (for ENERGY) in the NSW region at 14:55 earlier today (Friday 17th October 2025) ... and Contingency Lower in QLD.
There was a short-lived (but interesting) price spike for ENERGY in the NSW region on Friday evening 10th October 2025. Here's a first look.
Dan looks at some recent and peculiar auto-clamping behaviour of interconnectors, and walks through the market arrangements causing these occurrences.
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.
For several reasons, we've reviewed some afternoon volatility in NSW on Friday 6th December 2024.
Here's a quick 14-day review of the operation of the VIC1-NSW1 interconnector, including the price difference across it.
There were not as many SMS pings on Friday 8th November 2024 as there were for price alerts the day before, with the only 4 dispatch intervals in QLD and NSW above $1,000/MWh.
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...
First day back in the NEM after a break and I see the that the ‘N-RVYS_2’ Constraint Set is contributing to morning price volatility in the NSW region again.
A detailed look at the ‘N::N_UTRV_2’ constraint equation (focusing specifically on the spike at 17:30 on Friday 28th October 2022), drawing heavily on the newly-released 'Constraint Dashboard' widget in ez2view.
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.