Unplanned outage at Loy Yang A1
A quick look at some market data in ez2view, with respect to Loy Yang A1 unit coming offline on Tuesday afternoon 20th August 2024.
Tarong North Power Station trips on Monday evening 19th August 2024
A quick contemporaneous record of the trip of the Tarong North Power station unit on Monday evening 19th August 2024.
Watt scarcity?
Guest author Allan O’Neil examines some recent episodes of price volatility (particularly 30th July to 5th August 2024) and whether they were driven by a shortage of supply, or other factors.
Queensland ‘Market Demand’ drops below 3,000MW (for the first time in over 20 years), on Sunday 18th August 2024
Sunday 18th August 2024 sees Queensland reach a new ‘lowest’ point for ‘Market Demand’ … not quite 8 months after it saw a ‘highest ever’ point for ‘Market Demand’. Stretched at both ends, and a clear indication of the challenges of this energy transition.
Wobbles in recent days, at Loy Yang A
A brief follow on article about Loy Yang A station, following the A4 unit trip yesterday, and unsuccessful return to service today.
AEMO commences publishing actual intermittent generators (SCADA) availability data to the EMMS Data Model
The AEMO began publishing actual intermittent generators (SCADA) availability data:
(a) to the EMMS Data Model in the Production environment from August 13th 2024 and
(b) to NEMWeb from August 14th 2024.
System frequency drop with trip at Loy Yang A4 on Wednesday 14th August 2024
A short record of a coal unit trip around the time of a system frequency drop. on Wednesday 14th August 2024.
Wet weather in QLD brings reduced solar output during August 12 and 13, 2024
The wet weather in Queensland has impacted solar energy production.
GenInsights Quarterly Updates for 2024 Q1 belatedly released, on Mon 12th August 2024
A belated article about the belated release (on Monday 12th August 2024) of GenInsights Quarterly Updates for 2024 Q1.
Spot price volatility (in SA only?) on Tuesday evening 6th August 2024
A quick article about evening volatility (in South Australia only?) on Tuesday 6th August 2024
A look at storage levels at the Iona underground storage facility, August 2024
The role of gas for firming electricity supply, alongside general consumption, means gas storage levels at Iona continue to be critical in the helping to meet our current and future energy needs.
Evening burst of volatility across the NEM on Monday 5th August 2024
A slightly longer summary (compared to this morning’s) of some evening volatility (across the NEM) on Monday evening 5th August 2024.
With the benefit of hindsight – or who’d be an auto-bidder?
Following on from earlier articles about price volatility on Tue 30th July 2024 (particularly in South Australia), guest author Allan O’Neil takes a closer look at the operation of battery units in South Australia.
Morning burst of volatility across the NEM on Monday 5th August 2024
A quick summary of some morning volatility (particularly SA, VIC and SA) on Monday morning 5th August 2024.
A (very!) quick look at bidding behaviour (NEM-wide) over recent days
Curiosity drove us to take this initial (and very quick) look at bidding behaviour, NEM-wide, across the past 14 days in relation to recent NEM-wide price volatility.
Callide C3 offline until expected return to service on Monday 26th August 2024
A short initial article, 5 days after Callide C3 came offline again for another forced outage … during a period that’s seen multi-region spot price volatility.
Volatile prices, across all 5 regions, for the 3rd evening in a row
A quick snapshot of evening volatility across the NEM on Wednesday 31st July 2024.
An initial pass over ENERGY bids during price volatility of 30th July 2024 (focused on South Australia)
Five key takeaways arise from an initial inspection of energy bids on the 30th July 2024, where extended periods of high energy prices eventuated.
Keep an eye on the Cumulative Price … especially in South Australia
Following recent market volatility, here’s a quick look at the current trend of Cumulative Price for each region.
Energy price volatility on 30th July 2024
Observations of price volatility on 30th July 2024.