How significant would it be, if Mt Piper were forced to close (at least temporarily)?
A quick look at the scale of the challenge, if Mt Piper were to be forced to close following a court challenge to coal supplies upstream
Seasonal Record of Events in the Market
Collections of events that we see happening in the NEM, categorised in terms of the seasons in which they occur.
Decoding AEMO’s latest ESOO–will the lights stay on this summer?
Some initial analysis by our guest author, Allan O’Neil, about what AEMO’s Statement of Opportunities 2017 is saying in terms of this coming summer 2017-18
On Saturday 2nd September, AEMO reacted to Severe Weather Warning by imposing limits on interconnector
On Saturday 2nd September, AEMO responded to a BOM-issued “Severe Weather Event” warning by reducing flow capacity west on the Heywood link. Here’s how that looked…
Wind production in South Australia roared out of the June doldrums to a new production record in July 2017
From one extreme (perhaps lowest ever in June 2017, on like-for-like) to the other (new record production) in the space of just one month for aggregate wind in South Australia
August Update: Regulatory Responses to Pricing Concern
Some thoughts from guest author, Connor James, about “what’s next” in response to energy user concerns about high and escalating prices.
Cloud patterns on Friday 19th May 2017 – leading to a day of low Solar PV output, NEM-wide
Following Wednesday’s article by Paul McArdle on WattClarity, we’ve reviewed the (very cloudy) weather patterns for Friday 19th May 2017, and the accuracy of Solcast’s predictions of a day of low solar PV output
Wind Farm output in SA constrained, again, by AEMO’s “System Strength” constraint
A quick note about high wind speeds in South Australia this afternoon leading to AEMO constraining wind farm output down for System Strength reasons.
Energy prices below zero in South Australia, but Raise Regulation FCAS prices through the roof
Low energy prices in South Australia combined with high prices for Raise Regulation
The Southern Annular Mode (SAM) contributes to recent wind drought
An explanation of how the Southern Annular Mode (SAM) contributed to the wind drought we observed recently on WattClarity.
If spot price outcomes through Q2 2016 were “truly remarkable” then price outcomes for Q2 2017 were off the chart
A year on from my review of “remarkable” prices seen in Q2 2016, I return to the same analysis and update for Q2 2017. Outcomes are even more extreme…
Where’s the wind gone? NEM-wide wind farm operation lowest in 5 years (maybe ever, on like-for-like basis?)
A brief look, in the time available today, at a truly remarkable low point in aggregate wind farm output across the NEM through June 2017
Another industrial energy user enters Liquidation (in South Australia this time)
Coming back from a week out of the office, I was disconcerted to see that yet another industrial energy user has closed its doors.
Package of “reduce electricity prices in QLD” measures seen to reduce hedge contract prices
A quick look at how the wholesale contracts market reacted to the announced bundle of measures by the Queensland Government, aimed at reducing the cost of electricity to energy users.
2 x Loy Yang A units offline this afternoon
Two units temporarily offline at Loy Yang A on Monday 8th May (not without coincidence/conspiracy theories)
Warnings of load shedding in Victoria and South Australia on Thursday 11th May, and larger on Monday 15th May
Autumn 2017 continues the very rocky experience that’s become “new normal” for the National Electricity Market – with warnings of load shedding for Victoria and South Australia this week and next
More trouble brewing at Loy Yang A power station – with strike action called
A quick look at the market, following announcement of industrial action next week at Loy Yang A power station
More about wind output and AEMO’s intervention in South Australia 25-26 April
A closer look at AEMO’s actions during a period of high windfarm output in SA last week
Aggregate rate of wind production across South Australia breaks the all-time record
New record rate of wind power production in South Australia reached towards midnight at the end of Tuesday 25th April
Aggregate Wind Farm output across South Australia topped 1,400MW for the first time – on 9th April, with more to come
Total wind output (aggregated across all wind farms in South Australia) established a new record on Sunday 9th April.
High Regulation FCAS Prices on Tuesday 18th April in South Australia
Quick review of a spike in FCAS Prices in South Australia on Tuesday 18th April 2017 – leading to Administered Pricing for Raise Regulation Services.