In this (lengthy) article today, Paul McArdle uses the newly released GSD2020 to take a look at the units that were most frequently impacted by constraints during calendar 2020 - with a view to...
Today AGL Energy announces a big impairment ... with a big chunk related to long-term wind offtake agreements which AGL entered into between 2006 and 2012.
From Monday 1st Feb 2021 the (720-page) Generator Statistical Digest 2020 is more broadly available - here's some of what's in it, and how you can access. Those dozens of clients who had submitted...
A chart we threw together quickly at Beer O'Clock today (from the imminent release of the GSD2020) was worth sharing more broadly on WattClarity today...
Quite a synergistic coincidence today that, at the same time as we are finalizing the release of the GSD2020, we see the AEMO publishes its Quarterly Energy Dynamics for Q4 2020.
Several conversations this week prompted me to update the long-term view of how spot prices have trended over time (in particular because average prices in 2020 were quite different than recent years).
Short article today observing higher Scheduled Demand in VIC - which appears to be in large part due to state-wide suppression of solar PV production with heavy cloud and rainfall.
Forecasts was that it would be hot across Victoria, and demand would be high, through Monday 25th January 2021. But the cool change arrived early.
Second article today, focusing on what happened late in the afternoon and into the evening in South Australia.
It was forecast it would be a hot day in the southern part of the NEM and it did not disappoint. The hot weather was one of the factors that contributed to price spikes...
Following several different warnings of high temperatures forecast for the lead-in to Tuesday 26th January 2021 (whatever you want to call that day) I've taken a quick look at what it's currently forecast to...
Wednesday 13th January 2021 was a busy day in the NEM, with a couple of different events occurring. In this article we explore a sudden and unexpected drop in output across both rooftop PV...
Today (Wed 13th Jan 2021) a high temperature alert published by AEMO for the Dalby area in southern QLD prompted a quick look at what the GSD2020 shows, in terms of high-temperature limitations of...
A pretty rare event in the NEM, when two units trip simultaneously ... so a short article on WattClarity as a result.
In the same week that the Energy Security Board publishes it's 'The Health of the NEM' reports, looking from a top-down systems perspective, we crank the handle to produce the 'Generator Statistical Digest 2020'...
Using an in-development (but soon to be released) widget in ez2view we take a look at forecast availability for coal units in NSW, VIC and QLD for the critical, and normally volatile, Q1 period...
Short note about what might be a new record low point for electricity demand in Victoria on Christmas Day 2020.
As we wind down for Christmas, recapping some developments (in Nov and Dec 2020) about high temperature limitations on generation technology across the NEM.
An unfortunately timed significant slump in output across all Wind and Large Solar plant in NSW was another of the factors contributing to the price volatility seen in NSW last week.
Following a week where several days saw price volatility in NSW (with this being so extreme that Reserve Trader was triggered on Thursday 17th December) we've taken a look at the comparative performance of...