How common are islandings and transmission tower failures in the NEM?
In light of recent events, Dan Lee does some digging to find historical incidences of islandings and transmission tower failures.
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AER published Wholesale Market Performance Report for 2022
Today (Thu 15th Dec) the AER published their Wholesale electricity market performance report 2022 - their third report in this series.
AER releases ‘June 2022 market events report’
Today (Thu 15th Dec 2022) the AER released its 'June 2022: Market events investigation report', which might be widely read.
Price Caps to be implemented on Gas and Coal (perhaps?) … with impacts to be felt in the NEM
Striving to catch up on a couple weeks away, today I've tried to piece together the current state of deliberations about the potential (and rushed) implementation of caps...
ACCC released its November 2022 update of the ‘Inquiry into the National Electricity Market’
Another headline report released in the past couple weeks was the ACCC's 8th update of its ‘Inquiry into the National Electricity Market’
AEMO reports on (and webinar about) System Strength, Inertia and NSCAS
Three other reports released by AEMO on 1st December 2022 will also make for interesting reading.
The Capacity Market is dead … long live the ‘Capacity Investment Scheme’?!
A short note to mark the agreed introduction of a "Capacity Investment Scheme" ... but not for fossil-fuelled assets.
Spot volatility in the NSW region on Monday morning, 12th December 2022
First day back in the NEM after a break and I see the that the ‘N-RVYS_2’ Constraint Set is contributing to morning price volatility in the NSW region...
Who drove FCAS on the island
Close to $31.5M of revenue was generated in the FCAS markets in SA over the seven days that the region was frequency separated from the rest of the...
Brief but sudden drop of ~1,740 MW of wind and solar generation across the NEM this afternoon Monday 5th December 2022
An email alert notified me of a sudden drop in wind and solar generation (primarily in VIC and SA) at around 3pm this afternoon.
Palmerston to Waddamana lines returned to service on December 2, 2022
A successful return to service for the Waddamana to Palmerston 220 kV lines following damage sustained during landslides on 14 October 2022.
AEMO release preliminary report into the trip of the South East – Tailem Bend 275 kV on 12 November 2022
Last week the AEMO released a preliminary report into the trip of the South East – Tailem Bend 275 kV line that caused SA to be islanded from...
AEMO releases ‘Engineering Roadmap to 100% Renewables’ report
Today the AEMO released a 101-page engineering framework report on the steps required to operate the NEM at 100% instataneous penetrations of renewables.
The Administered Price Cap has increased to $600/MWh as of today 1st December 2022
A rule change increasing the Administered Price Cap from $300/MWh to $600/MWh, submitted by Alinta Energy, has come into effect today.
Callide C3’s return to service pushed back to February 2023
QLD looks like it will be without Callide's C3 unit until at least February 2023.
Administered Pricing ends for FCAS in SA on Saturday 26th November 2022
Administered Pricing has ended for FCAS in SA after roughly 12 days.
A quick (interim) review of the ~7 days living on the SA island + some broader questions to explore later
Yesterday's note from ElectraNet prompted this initial summary of some of what we've seen happen with the SA islanding event over the last 12 days.
Enhancement of ASEFS and AWEFS forecasts provided by AEMO – from Wednesday 23th November 2022
A short article, to record the upgrade of the ASEFS and AWEFS forecasts for Semi-Scheduled (i.e. Wind and Large Solar) units.
SA Islanding: Never mind the ‘Big Solar Button’, here’s Flexible Exports
James Martin from SwitchDin, provides an overview of the state of distributed energy management, and how it relates to last week's events in SA.
SA islanding ends, on Saturday evening 19th November 2022
On Saturday evening 19th November 2022 the Heywood interconnector returned to service following temporary repairs to the tower damaged on Saturday 12th November.