A 60% Instantaneous Reserve Plant Margin – even with plant out for maintenance
A massive overhang of capacity seen today – leading to price suppression
Articles by Paul McArdle
One of three founders of Global-Roam back in 2000, Paul has been CEO of the company since that time.
As an author on WattClarity, Paul's focus has been to help make the electricity market more understandable.
Doomsday predictions for security of supply?!
In parallel with the RET Review process, claims and counter claims are mounting about challenges to security of supply, moving forwards. Here are some initial thoughts…
Incumbent Retailers under siege on both sides
Several things we’ve noticed about what’s been changing in the electricity retail landscape in Australia’s electricity markets.
Who are the biggest carbon emitters, in the National Electricity Market?
Some analysis of carbon emissions for large generation portfolios in the NEM, and comparison with prior post about wind production levels.
Winter evening price spike – like yesteryear (not quite)
Coincident with the release of the RET Review, activity in the spot market provides some reminders…
Is AGL Energy actually the NEM’s greenest generator?
A different look at the numbers suggests that AGL Energy does have some green credentials…
… so what would the similar trend look like for the (larger) AGL
Following last week’s analysis of EnergyAustralia’s larger portfolio we do the same thing for AGL Energy (including Macquarie Generation)
Privatising profits whilst socialising costs – part 1 (wholesale)
Some initial thoughts about some of the areas (in the wholesale market) where there’s been finger-pointing in different directions about “socialising costs whilst privatising profits”
Volumes and revenues crunched by oversupply
Following the article in the FinReview today about EnergyAustralia…
Negative spot prices in Queensland
Prices dropped below $0 in Queensland this morning – not for the first time in recent days…
What happens if (when?) existing wind farms cross to “the Dark Side”?
A quick look at a price spike that occurred Monday evening (4th August) in South Australia
Queensland gas prices plunge, and generators splurge
This is the lowest I can remember seeing the STTM gas price at the Brisbane hub!
Spot prices back to yesteryear
Spot prices in the doldrums with low demand and high production from wind and gas.
Wind output drops and volatility rises
After spending a day looking into the future (at prospective generation developments) I noted this reverse correlation between wind and volatility that’s been occurring over the week.
Morning prices persist in the South as chill remains
Elevated prices persist this morning in Victoria, South Australia and Tasmania
Spot prices back to gory days of 10 years ago on the last hurrah of carbon
Prices plunge on the day the Carbon Tax is repealed
Reduced exports contributed to reduced prices
Reduced export capability over QNI south contributed to the low prices seen last week.
… and what of Generators in Queensland, in particular
A further look at bidding behaviour (this time in Queensland) and the extent to which this is contributing to low prices
Have generators backed carbon out of their bids post 30 June – but prior to the repeal passing?
Have generators already removed the carbon tax from their bids, in July 2014 – and is this the reason why we observed prices plunging on 1st July?
Prices plunge in QLD – because of solar?
Demand plunges in Queensland during the day – dragging prices down with it.