Price spike in NSW (and QLD!) at 14:55 on Friday 17th October 2025
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.
VIC1-NSW1
An initial look at the Spot Price spike in NSW at 17:55 on Friday 10th October 2025
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.
Early afternoon volatility in NSW, on Wednesday 15th January 2025 … Part 1 in a multi-part exploration
Not long after speaking with a client about forecast evening volatility in NSW for Wednesday 15th January 2025, we see price spikes beginning at 14:00 in the afternoon. So we take a first look....
The ‘N::N_MNYS_2’ constraint equation and the ‘Actual LOR2’ in NSW on Monday 13th January 2024 … Part 2 of a Case Study.
On Monday evening 13th January we noted a short-notice 'Actual LOR2' in NSW. In this article we take a look at the VIC1-NSW1 interconnector, and particularly the impact of the ‘N::N_MNYS_2’ constraint equation, in...
Initial Review of price volatility in NSW in early afternoon Friday 6th December 2024
For several reasons, we've reviewed some afternoon volatility in NSW on Friday 6th December 2024.
The most recent 14 days of data for VIC1-NSW1
Here's a quick 14-day review of the operation of the VIC1-NSW1 interconnector, including the price difference across it.
Here’s a few things to watch, w.r.t. the forecast tight supply-demand balance in NSW (and QLD) for early next week
In this article on Wednesday evening 20th November 2024 we suggest a couple factors to keep an eye on, leading into the expected tight supply-demand balance (and possible load shedding) in NSW on Tuesday...
An inter-regional interconnector refers to *the whole of* the transmission path between RRNs
We already noted this a few times recently, but we thought it would be worth separating out as its own article under the ‘Energy Literacy’ category, as it’s likely we’ll be referring back to...
Burst of volatility in QLD and NSW, on Friday evening 15th November 2024
A very quick record of evening volatility in QLD and NSW on Friday 15th November 2024.
Evening volatility in QLD and NSW (and low IRPM) on Monday evening 11th November 2024
Monday evening 11th November 2024 sees volatility return in QLD initially, and soon also in NSW.
Reviewing the ‘N-MNYS_5_WG_CLOSE’ Constraint Set, as a major factor in recent northern volatility
As time permits, we're chipping away at an exploration of the volatility in QLD and NSW on Thursday 7th November 2024. In this article we take another step in understanding the ‘N-MNYS_5_WG_CLOSE ’ constraint...
A much shorter run of evening volatility in QLD and NSW on Friday 8th November 2024
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.
VIC1-NSW1 interconnector unable to Target Flow north, on Thursday afternoon-evening 7th November 2024
A quick summary about the presence of constraints limiting the ability of the southern regions to help, via the VIC1-NSW1 interconnector, on Thursday 7th November 2024.
Forecast tight supply-demand balance (i.e. LOR2) for QLD and NSW on Thursday evening 7th November 2024
Worth a short note, given the alerts from ez2view have continued to buzz in recent days, as the AEMO continues to update forecast LOR2 warnings for both QLD and NSW regions for Thursday 7th...
~80 minute run on spot price volatility in NSW on Tuesday 7th May 2024
A second article providing some more detail on the spot price volatility in NSW on Tuesday evening 7th May 2024
Focusing on VIC exports (and imports) with the ‘Major Power System Event’ on Tuesday 13th February 2024
In this article we look again at Tuesday 13th February 2024 (Victoria's ‘Major Power System Event’) and sum up the impact of the event on net exports from Victoria over a 14-hour period, but...
Background information about the Victorian Big Battery and the SIPS service (System Integrity Protection System)
Prompted by the other article today, I've taken a look at published information about the required operations of the Victoria Big Battery (VBB) under the System Integrity Protection System (SIPS).
A first look at the NSW price spike at 15:10 (NEM time) on Thu 29th Feb 2024
Took a first look at the 15:10 price spike to the $16,600/MWh Market Price Cap in NSW on Thu 29th Feb 2024.
Weird and wacky (erroneous?) transmission transfer limits for VIC1-NSW1 and Basslink on Tuesday 13th February 2024
A short article to record a question from a client that we did not have time to investigate further today.
Disallowed flow north on VIC1-NSW1 another significant factor in tight supply-demand in NSW + QLD
A quick look at how restrictions in southern NSW meant that Victoria could not export to NSW through the afternoon ... hence contributing to the tight supply-demand situation.