Transmission outage on ‘Ravine to Yass (2) 330kV line’ still ongoing
The ‘N-RVYS_2’ Constraint Set continues, with delays in the outage compared with expectations last week.
network outage
Power system stress – with record demand and insufficient supply in New Zealand on Monday 9th August 2021
Following a tight supply-demand balance in New Zealand on a winter Monday evening 9th August 2021, leading to unserved energy, here's a quick review of what information I could find.
Spot price up in QLD and NSW, with only 1,532MW of spare capacity Monday evening 12th July
A snapshot of the start of price volatility in QLD and NSW on Monday 12th July 2021.
Case Study Part 2 – did Rooftop PV kill Large Solar Farm output (and cause the price spike) in QLD on Tuesday 13th October 2020?
Based on some preliminary analysis of the Powerlink's 'Qdata' set (available in ez2view) we present our current hypothesis as to the sequence of the events yesterday in the QLD region, where 600MW of solar...
Network outage, and low wind, combine to drive spot price volatility in the SA region on Thursday 26th April
An unexpected network outage in the south-east of South Australia restricts supplies from Victoria at a time of low wind supply in South Australia and results in the dispatch price spiking to $14,200/MWh from...
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.
Another day where LOR2 notice issued for SA – what does it mean?
AEMO issued a Market Notice this morning for an LOR2 "Low Reserve Condition" in South Australia. Here's my sense of some of what's happening.