Winter evening price spike – like yesteryear (not quite)
Coincident with the release of the RET Review, activity in the spot market provides some reminders…
winter
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Prices plunge on the day the Carbon Tax is repealed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.
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.
Windy week blows in change in Canberra
With the repeal of the carbon tax looking more likely, and July 1st only just around the corner, someone asked today if we could calculate what the spot price might be without carbon.
A blue day in Queensland
Hopefully not an omen of what is to come tomorrow night…
Queensland lunchtime demand slips away….
Today (Wednesday 24th July) we note how the Queensland lunchtime electricity demand is stuck in the blue zone – the uptake of solar PV, and a sunny day for Clean Energy Week, would be part of the reason.
Wild price gyrations in Victoria (and elsewhere) today following a station trip at Yallourn
An animation of 90 minutes this morning where the price gyrated wildly in response to a trip at Yallourn, and numerous subsequent reactions by market participants and the AEMO.
Chilly winter evenings show demand has declined for various reasons – not just solar PV
A cold evening in the NEM, and yet demand can’t make it past 30,000MW – which would have been quite startling 4 or 5 years ago (but not now, as demand has been declining for a number of reasons).
SA summary for Thursday, compared to the preceding week
Following from a period of elevated prices in South Australia, prices dropped on Thursday. Here’s some reasons why…
7-day South Australian overview (Thu 30 May to Wed 5 June)
Spot Prices in South Australia were elevated over the past 7 days – here are some reasons why.
Prices yo-yo in SA this morning, as installed capacity goes missing
Following yesterday’s warnings about the potential for a tight supply/demand balance in South Australia this week, it was not really a surprise when the SMS alerts from NEM-Watch began buzzing for the 07:20 dispatch interval this morning (NEM time), highlighting that the dispatch price in SA had jumped to $12,199.20/MWh. This has continued through the morning.
Load shed warning (LOR3) issued by AEMO for Tuesday in South Australia
It’s not looking that great, currently, for the supply/demand balance in South Australia this week – when viewing predispatch, ST PASA and AEMO’s Market Notices
Winter 2013 in the NEM
A collection of analysis, observations and commentary about what we see (and have time to comment on) in terms of winter 2013 in Australia’s National Electricity Market
The return of the evening price spikes as the winter demand shape arrives a little early
The distinctive winter demand shape returns – and with it comes the evening peaks in prices (even on a Sunday).
The 871-855 constraint returns
A snapshot of an instance of the Queensland regional constraint, which has returned after an absence over the autumn months.
How has the Carbon Tax influenced Hydro Generation levels?
A brief look at the significant increase in output from hydro plant coincident with (and slightly preceding) the introduction of the Carbon Tax