Here we will collate articles (as we publish them, and remember to collate them in here) that relate to various aspects of the role of transmission in the energy transition .
Areas of interest include:
1) Design and construction
2) Operations
3) Outage planning and operations
4) Failure modes and rates
5) How to model transmission.
Prompted by a question by a client in a training session for a new ez2view user, guest author Allan O’Neil has written 2,940 words to explain the price outcome in one particular dispatch interval for one particular region (19:05 on Tuesday 11th February 2025 in South Australia). Strap in, because it’s a good illustration of why the simple ‘merit order’ bid stacking model is sometimes (often!) way too simplistic!
Read MoreWednesday morning 12th February 2024 sees rapid and large oscillations in prices across all regions – which results from (and/or leads to) oscillations in output of many units. One of the contributing factors is suspected to be the newly composed ‘N-BU_330_TX_ONE’ constraint set for an outage related to Project Energy Connect.
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.
AEMO noted (in MN123507) that ‘The Bundey to Buronga 330kV (6F) line will be energised at 0700 hrs 21st January 2025.’
SA Government has requested that two recently mothballed diesel power stations be eligible for provision of emergency reserves.
AEMO says … at 12:00 on Thursday 31st October 2024, the Buronga No.4 330kV synchronous condenser has been commissioned
Prompted by a client question, here’s a quick look at some of the Project Energy Connect (PEC Stage 1) related constraint sets.
A map of where the eight separate transmission tower incidents have occurred over the past five years.
A short note, recording MN118771 about testing for PEC stage 1.
In the second half of this two-part case study we look at a timeline of the Snowy 2.0 project, and discuss the history of mega-projects in the NEM.
A timeline of evolving expectations for the cost, benefits, and delivery dates for Project Energy Connect – following news of recent issues surrounding the project.
Enroute to Melbourne today for the EUAA National Conference starting tomorrow, I grabbed some flight time to have a quick read through the Grattan Institute’s latest offering – a 45-page report appropriately titled ‘Keeping the Lights on’: Quite topical that…
Reflecting on the transmission tower failures in Victoria in February, a group of researchers from the University of Melbourne have put together this summary of what the long-term wind data is showing, and what it means for the power system.
In light of another transmission tower collapse caused by convective wind gusts, we’ve invited wind loading expert Dr John Holmes to explain this phenomena.
What happened yesterday (Tue 13th Feb 2024) in Victoria was a significant event in the history of the NEM – and the flow on effects will be felt for weeks and months (even years?). Here’s a starting list of questions we’d like to explore…
The sixth transmission tower failure within the NEM in almost four years, has prompted further questions about the physical network and its resilience to severe convective winds.
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.
An article today referencing the VEPC paper ‘No longer lost in transmission’ (about extended VNI-West, and the authors proposed alternative ‘Plan B’) and the AEMO’s initial response.
In light of recent events, Dan Lee does some digging to find historical incidences of islandings and transmission tower failures.
Also today (Thursday 10th November 2022) the ESB has released a Directions Paper on Transmission Access Reform – including suggestions for both Investment Timeframe and Operational Timeframe.