Stockyard Hill Wind Farm briefly off again, on Thu 22nd February 2024 (constraints a factor)
Stockyard Hill Wind Farm, along with some other large wind farms, is constrained off in Victoria on Thursday 22nd February 2024.
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Victorian ‘Market Demand’ above 9,000MW on Thursday 22nd February 2024 … for the first time since 31st January 2020
Victorian 'Market Demand' today (9,260MW at 15:40) is the highest we've seen since 31st January 2020 ... just over 4 years ago.
Bushfires also impact transmission capability in South Australia on Thu 22nd Feb 2024 (short-lived)
AEMO declares credible contingency possible with respect to transmission in South Australia, due to bushfires.
VIC Demand Running above Forecasts on 22nd February 2024
A brief chart to capture VIC demand climbing above expectations.
Afternoon spot price volatility on a hot day in VIC and TAS … and bushfire limitations
A hot afternoon in VIC and TAS, with bushfires in both states, is driving volatility on Thursday 22nd February 2024
Four reasons why rooftop solar will grow to dominate the electricity market
Tristan Edis of Green Energy Markets argues how system longevity, battery-coupling, distribution network capability, and increasing capacity will shore up rooftop PV's position in the market.
Evening volatility in South Australia on Wednesday 21st February 2024
A quick record of some evening volatility in South Australia on Wednesday evening 21st February 2024
A first (more detailed) look at Stockyard Hill Wind Farm on Tuesday 13th February 2024
This is a first 'deeper dive' into AEMO data (both 4-second SCADA data and in the EMMS via ez2view) to see what's visible able Stockyard Hill Wind Farm...
System Strength considerations for NSW via Market Notices … a low point reached in 2023 Q4
AEMO points to the TransGrid document from Wed 14th Feb 2024 'NSW Synchronous Generation - interim advice for System Normal requirement'.
A burst of spot price volatility in QLD and NSW on Tuesday 20th February 2024
A short article using NEMwatch to record the start of spot price volatility in QLD and NSW at 17;55 on Tuesday 20th February 2024.
Victorian renewable generation on 13 February 2024: One picture and a thousand (sorry, many more) words
Guest author, Allan O'Neil, takes us several steps further in understanding the events in Victoria on Tuesday 13th February 2024 - especially with respect to VRE (wind and...
From the 4-second SCADA data, a view of Production by Fuel Type on Tuesday 13th February 2024
Following the review of bidding in VIC on Tue 13th Feb 2024, this review of the 4-second data for VIC on the day reveals another 28 Observations/Questions to...
AEMO preliminary report identifies 4 separate Events … including trips* at 4 Generators and 1 Load
Some things in the AEMO's Preliminary Operating Incident Report that stood out to me, and which will assist in our further investigations on WattClarity.
A quick first pass through ENERGY bids (for Victorian units) on Tuesday 13th Feb 2024
Five days after Tuesday 13th February 2024 we have a bit of time to take this initial (top-down) look at bidding for ENERGY in the Victorian region on...
14 hours of trended (mainland) frequency on Tuesday 13th February 2024
A first article from me after starting to delve into a 14-hour time series of AEMO's 4-second data for Tuesday 13th February 2024 (this one a trend of...
Aggregate enablement of RaiseReg FCAS from units in the mainland (excluding Basslink) on Tuesday 13th February 2024
A short article trending (through Tue 13th Feb 2024) aggregate enablement of Raise Regulation FCAS in DUIDs on the mainland ... i.e. excluding Basslink.
AEMO Preliminary Operating Incident Report (re Tue 13th February 2024) is available
AEMO's preliminary operating incident report for what happened on Tuesday 13th February 2024 is available now.
Optimising a highly renewable NEM from scratch
David Leitch and Paul Bandarian present and discuss the model they've created which uses a maximum Sharpe ratio wind and solar portfolio for the 2025 calendar year, drawing...
Convective downdrafts and high-voltage transmission lines
In light of another transmission tower collapse caused by convective wind gusts, we've invited wind loading expert Dr John Holmes to explain this phenomena.
Early observations from examining the AEMO’s four-second SCADA data from Tuesday afternoon
Allan O'Neil provides a couple of initial observations regarding Dundonnell Wind Farm and Loy Yang A from his first glance of at the 4-second SCADA data from the...