AEMO’s 2024 Intermittent Generator Forum provides renewed awareness for wind and solar generators
Information spanned a wide range of topics related to intermittent generator forecasting, and included a guest presentation by the AER.
rooftop PV
Today’s significant ‘Market Demand’ drop in NSW (and a smaller one in QLD) not forecast in advance
We earlier noted this ‘Significant (-786MW) drop in NSW demand, on Wednesday 13th November 2024’ … and, in response, a reader (KC) asked a question that inspired this article.
Small (NEM Mainland) frequency wobble, on Thursday afternoon 7th November 2024
Perhaps contributing to the early start to price volatility in NSW this afternoon was the wobble in system frequency shown here?
A clarification, about those instances of (potential or actual) disconnection of distributed/rooftop PV
On Thursday 10th October 2024, we published ‘What happened with System Load in VIC on Friday 27th and Saturday 28th September 2024?’ and, in doing so, listed some times when rooftop PV was disconnected (or consideration was given to the same). In this article (following some detail from a reader) we classify these events in three categories.
AEMO updates ‘Minimum System Load’ alert for VIC on Saturday 28th Sept 2024 … trending down towards MSL2
Third article already on Friday morning 27th Sept 2024, looking forwards to a forecast ‘Minimum System Load’ event in Victoria in parallel with the AFL Grand Final tomorrow (Sat 28th Sept 2024).
AEMO issues (its 3rd ever) ‘Minimum System Load’ alert for Victoria … for Friday 27th September 2024
Two days in a row, the AEMO has issued its first and second alerts (via Market Notice) about forecast Minimum System Load events for Victoria. This second alert for Friday 27th September 2024.
AEMO issues the (second ever) ‘Minimum System Load’ Market Notice for Victoria on Sat 28th Sept 2024 (AFL Grand Final Day)
The AEMO has issued its (second* ever) ‘Minimum System Load’ alert, via Market Notice 118421, with respect to Victoria for this Saturday 28th September 2024.
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.
Wet weather in QLD brings reduced solar output during August 12 and 13, 2024
The wet weather in Queensland has impacted solar energy production.
Cloud impacts on demand, a review of NSW on 29 February 2024
The Russ Christ Effect can be described as cloud impacts on rooftop PV arriving before any associated cooling conditions. We consider the extent to which a sudden and unforecast jump in demand was driven by this phenomenon.
It appears bushfire smoke was negatively impacting rooftop PV production in a material way in Victoria yesterday
Some interesting data coming from our forecast convergence widget yesterday afternoon, hinted to us that bushfire smoke is likely to have been impacting rooftop PV generation levels in Victoria.
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.
Part 2: Too much rooftop PV in SA, almost, as forecast for 15th February 2024
An an elevated risk of the contingent disconnection of Distributed PV resurfaces for SA on 15 February 2024 with market notice 114743.
Comments and questions about the 2024 draft ISP
Clutch’s Mitch Baker has shared his initial thoughts and questions that jumped out to him from reading the AEMO’s 2024 draft ISP.
A first look at ‘Market Demand’ in South Australia on Saturday 6th January 2024
A quick look back at Saturday 6th January 2024 in South Australia – and the case of an unforecast drop in ‘Market Demand’
Out with a bang or a whimper? And a puzzle or two.
Guest author Allan O’Neil continues our series of posts on very low system demand levels in South Australia and Victoria on New Year’s Eve, with a few unresolved questions remaining
Part 2 – What’s running in Victoria today (apart from strong rooftop PV)?
A second article today on this challenging day for the Victorian grid, looking at which supply sources are running.
Looking back at the high demand levels seen in the past two days in Queensland
Taking a quick look back at two days of extreme levels of demand in Queensland during the ‘sleepy period’ between Xmas and New Year.
Case Study – Severe Weather Challenges Day-Ahead Forecasts for 7, 8, 9 September 2023
A bout of severe weather for many parts of south-eastern Australia brought challenging weather conditions which appear to have impacted variable renewable energy forecasts for the NEM. The case study delves into forecast differences on the 7th, 8th and 9th of September 2023.
SA Islanding: Managing solar on the island
In our third guest authored post this week, Blake Ashton from SA Power Networks talks about the SA islanding event that occurred just over twelve months ago – how SAPN managed solar curtailment, and how their new ‘flexible exports’ option can address future challenges.