Like was the case on 4th July 2013, the cause of this large Aggregate Raw Off-Target result (across all Semi-Scheduled Generators) was a single unit trip.
Read MoreDoes not take long to see why this particular dispatch interval was one of the few dispatch intervals (before 2019!) flagged in our top-down analysis of aggregate Raw Off-Target across all Semi-Scheduled units in the NEM….
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.
Wind generation on some days in the past 2 weeks supplied a big percentage of SA demand – but not (on a daily basis, at least) near the 90% level.
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.
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).
Following from a period of elevated prices in South Australia, prices dropped on Thursday. Here’s some reasons why…
Spot Prices in South Australia were elevated over the past 7 days – here are some reasons why.
It appears, from this high-level analysis, that events in the State of Origin mapped to changes in electricity demand across Brisbane last night.
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.
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