A belated article recording how (on Friday 12th April at 10:48) the Sheffield – Farrell No.2 220 kV line tripped during restoration due to fault on the line, disconnecting ~550MW of major industrial load in Tasmania.
A few separate questions about Callide C3 and C4 in recent days prompts this short status update on both units.
Whilst thinking about interconnectors, there’s an outage currently underway on Murraylink.
AEMO note that (from 10:00 on Wed 10th April 2024) the QNI export limit will increase to a possible 850MW … we take a quick look at history.
In Part 2 of their modelling and analysis project, David Leitch and Paul Bandarian discuss the modelled results of their sharpe ratio-maximised VRE system, including additional considerations regarding transmission.
It’s Monday 8th April, the two Eraring units that tripped last week are back online – and I wonder what the cause of the coincident trip was?
An inspection of bids and dispatch outcomes indicates some units helped compensate for the loss of supply with the trip of ER01 and ER02.
The two Eraring units that had tripped on Wednesday 3 April 2024 were returned to service by 11pm that evening.
Fourth article on Wed 3rd April 2024, pertaining to the earlier coincident trip of ER01 and ER02 units at Eraring Power Station.
AEMO Market Notice 115944 notifies that the coincident trip of ER01 and ER02 was at 13:22 NEM time on Wednesday 3rd April 2024.
In this second short article for the day, we Time-Travel ez2view back to 4 x Dispatch Intervals surrounding the coincident trip of ER01 and ER02 at Eraring Power Station.
A first article noting simultaneous trip of Eraring units 1 and 2 on Wednesday afternoon 3rd April 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 particularly around ~13:08 when the towers were downed.
It’s Monday afternoon 1st April 2024 and Callide C3 has begun its journey back online following an outage longer than 500 days since the cooling tower failure in October 2022.
A quick look back at the period before easter 2024, which was forecast to be a wet week in QLD … looking particularly at solar yield.
With GenInsights Quarterly Update for 2023 Q4 completed, and some time till the end of 2024 Q1, we’ve looked back at Tuesday 14th November 2023 (when AEMO had concerns about low System Strength in NSW) and looked at the level of inertia actually seen in the grid. A useful Case Study to say ‘what would have happened without Eraring?’
A Weatherzone forecast of potential high wind-speed cut-outs at some Wind Farms in the coming days will be of interest to some WattClarity readers.
Seven days ago, AEMO notified the market of a Scheduling Error from 24th Jan 2024 to 7th March 2024. A client asked us what it meant – so guest author Allan O’Neil has helped to explore and explain.
Yesterday we wrote briefly about ‘Electrical fire in switchyard at Torrens Island Power station’ following a tip on 7News. In that news update, 7News mentioned that there was an earlier fire at the switchyard on Monday 25th March 2024. With…
With ‘next day public’ bid data, we see the impact the switchyard fire had on Torrens Island BESS on Wed 27th March 2024.