Price volatility in VIC and SA on Friday 1st March
Some quick notes about the volatility seen in the NEM on Friday 1st March 2019 – a hot day in Victoria and South Australia, the first day of Autumn.
unit trip
[UPDATED] Off-Target #4 – Disregard Targets – Lake Bonney in July 2018 (and possibly others)
Two examples where units (in these cases Semi-Scheduled) appeared to disregard dispatch targets.
Off-Target #1 = Unit trip – Mt Piper Unit 2 on 24th October 2018
Highlighting one example of a unit trip. We expect we will find many in the process of compiling our Generator Report Card 2018 – the bigger question being whether the incidence is increasing (and, if so, to what extent).
When the NEM’s Largest Generating Unit Trips …
A follow-on to my earlier article of a couple weeks ago, looking at another instance where a team effort was required to counter a drop in system frequency following the loss of generation at a large power station (this time the single unit Kogan Creek power station – the largest single unit in the NEM).
FCAS in Action – What Happens When a Generator Trips? (or Never let the data get in the way of a good story)
Understanding the FCAS response by all generators when a unit trips in the NEM. A detailed look at the Loy Yang A unit trip in December 2017 and the contribution of the Hornsdale Power Reserve.
Millmerran station trip drives prices sky high
At 23:05 on Saturday 9th March AEMO advised that the Millmerran power station units 1 and 2 tripped simultaneously at 22:07 (58 minutes prior) – for reasons still unknown.
Here’s how we saw it unfold at real time.