The effect of opportunity cost on wholesale prices in the NEM
Guest author, Greg Williams provides the first part of a three-parter about costs in the NEM. In part one here he explains modelling opportunity costs and the value...
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In November 2023, FERC released Final Report on lessons from Winter Storm Elliott (the Christmas 2022 storm)
Pointing WattClarity readers to FERC's Final Report into Winter Storm Elliott (the Christmas 2022 storm that contributed to power outages for millions of electricity customers in the Eastern...
… and Kogan Creek comes off for a few days on Sunday 14th January 2024
3rd article for Sunday 14th January 2024 - this one looking further north, into QLD, with the Forced Outage at Kogan Creek Power Station.
… but Loy Yang A1 trips on Sunday 14th January 2024
A quick PS to the earlier Sunday article (which looked at LYA4) this time focused on LYA1.
Hiccups over, at Loy Yang A4? (Part 3)
This article (Part 3) follows on from Part 1 and Part 2, which looked at four successive trip/outage at Loy Yang A4 in recent days.
Hiccups continue, at Loy Yang A4 (Part 2)
Following the 4th successive trip/outage at Loy Yang A4 in recent days - and updating Tuesday's earlier article.
The early wind farms reaching 20 years: how are they performing?
With Challicum Hills Wind Farm recently celebrating its 20th anniversary, Dan Lee takes a look into the long-term trend of technical and commercial performance of the oldest wind...
Inverter fire at EPIC Energy’s Mannum 2 Solar Farm
An article from RenewEconomy alerts me to yesterday's fire at the (in commissioning) Mannum Solar Farm 2 in South Australia. We take a quick initial look.
What’s been happening at Stanwell unit 1 since September 2023? (Part 1)
Today we take a look back at the operation of Stanwell unit 1 over the past 3 years ... but particularly since its return from a Major Outage...
Hiccups at Loy Yang A4 (Part 1)
A quick look at 3 successive trips at Loy Yang A4 in returning back from a recent forced outage.
2023-24 GenCost consultation draft released – just before Xmas 2023
A short (and belated) article about the CSIRO's GenCost draft report ... and some associated media coverage.
A first look at ‘Market Demand’ in South Australia on Saturday 6th January 2024
A quick look back at Saturday 6th January 2024 in South Australia - and the case of an unforecast drop in 'Market Demand'
An initial review of Cohuna Solar Farm through 2023 – including bushfire effects (related to electrical equipment onsite?)
Noting an earlier article on PV Magazine about a direction from Energy Safe Victoria relating to the Cohuna Solar Farm, we take a quick initial look at operations...
Two (of four) Major Rectification Outages at Yallourn performed. Have they improved plant performance (Part 1)?
Remembering a question that were were asked by a client in December 2023 (about Yallourn power station) we take a quick look at the start of 2024.
Out with a bang or a whimper? And a puzzle or two.
Guest author Allan O'Neil continues our series of posts on very low system demand levels in South Australia and Victoria on New Year's Eve, with a few unresolved...
Recapping the accelerating decline in ‘Minimum Demand’ levels across the NEM, at the end of 2023
A tabular summary of how 'declining demand' has been an accelerating theme in most regions of the NEM (and NEM-wide) through 2023.
Recapping lowest points for demand today in Victoria (Part 4)
Part 4 in a series today, about what happened in Victoria with minimum demand and warnings of possible intervention to *increase* demand.
Also new ‘lowest ever’ point for Market Demand in South Australia on Sunday 31st December 2023
Fourth article today, taking a quick look at neighbouring South Australia - which has also seen a new 'lowest ever' level of Market Demand.
Part 3 … Victorian demand holding up at higher levels than successive AEMO forecasts
Third article today, focusing on an apparent anomaly between AEMO's P30 and P5 predispatch forecasts for Victorian demand today (Sun 31st Dec 2023).
Part 2 – What’s running in Victoria today (apart from strong rooftop PV)?
A second article today on this challenging day for the Victorian grid, looking at which supply sources are running.