The collapse in Queensland renewable energy investment – the canary in the coal mine
Guest author, Tristan Edis, looks particularly at the Queensland Region of the NEM, and an almost complete stop in the development of new renewables projects.
Sweating on the return of Loy Yang A Unit 2
Taking a quick look at what’s forecast for the Victorian region tomorrow, with LOR2-level Low Reserve Condition forecast.
High temperatures drive Queensland Scheduled Demand over 9,400MW
With Queensland temperatures (even at the Brisbane airport) exceeding 40 degrees Celcius today, the electricity demand was also high – though still below the all-time record.
First price spike of the summer for QLD
The spot price in Queensland spiked above $1,400 for the first time of the summer on Monday afternoon
New supply in the NEM – what’s happening?
Today’s guest author, Ben Willacy, examines current trends in commisioning activity and new grid connections for new supplies in the NEM.
The (ongoing!) opacity of distributed, small-scale solar PV output
42 months after I posted some initial thoughts about “the opacity of rooftop PV” it seems that – when viewed in certain ways, discussed here – the problem is actually getting worse, not better.
Exploring AEMO’s demand forecast “error” for Saturday 26th October 2019
Four weeks ago, we observed a significant discrepancy between AEMO’s forecast for (what would have been) a record low point for Scheduled Demand in South Australia and what actually eventuated. We’ve now had time to explore further…
Summer reliability back in the headlines
Guest author, Allan O’Neil, provides us an update today on what we can see about summer 2019-20 (in the physical market, and the financial market), now that it is only just around the corner.
Let’s Talk Losses
Guest author, Tom Geiser, discusses the different approaches to loss factors amid recent market proposals.
Generator Hedging in Australia’s National Electricity Market
Guest author, Warwick Foster, discusses the different methods in which generators may hedge in the NEM
Probability, Consequence (and Risk) as it relates to summer 2019-20 in the NEM
With summer 2019-20 fast approaching, we’ll use the refresher on the two core components of risk (probability and consequence) to unpick what the real issue is with respect to concerns about overheating electricity supplies this summer, especially in the Victorian region.
Analytical challenge – recognising the separate components in Risk, and their influence
A simple refresher on two core components that combine in order to define risk – probability and consequence.
First look at South Australia islanded on Saturday evening, 16th Nov 2019
A first (and perhaps only – as this took longer than initially planned) walk through some of the interesting points of what happened yesterday (Sat 16th Nov 2019) when South Australia islanded from the rest of the NEM with the trip of the Heywood interconnector.
Two big reasons why we’re engaging in forensic analysis of NEM events
There are a number of reasons why we’re completing the analysis we are sharing via WattClarity – here are two big ones.
3rd Case Study – Tailem Bend Solar Farm in SA Region on Wednesday 6th November 2019
Third case study in a growing series – on this occasion looking at the (extreme – and possibly excessive?) lengths taken by Tailem Bend Solar Farm to avoid being dispatched at times of negative spot prices in South Australia. This analysis is specifically focused on Wednesday 6th November 2019.
Do you know of people who can help us?
Readers at WattClarity might recall that we have asked the question above a couple of times in recent weeks – and a big thanks to those who responded already! We’re blessed with opportunities at present (have been for a while,…
Insights: How do weather patterns impact wind REZ correlations?
RepuTex Energy builds on the Generator Report Card 2018 to provide insights into how different weather patterns impact wind production and the implications for system diversity and portfolio risk.
Combined Solar & Storage Economics: Creating a credible grid scale business model in the National Electricity Market
Guest Author, Warwick Forster, looks at designing a combined solar & storage business model for the NEM
South Australia experiences lowest (non System Black) Scheduled Demand in at least 21 years
Lowest point seen today since the start of the NEM (excluding the SA System Black) for the South Australian region.
NSW LOR and AEMO request for Generator Recall information
Yesterday, Tuesday 29 October 2019, AEMO issued a Market Notice requesting Generator Recall information from participants in the NSW region. This was issued at 15:27 on Tuesday 29 October 2019, and came after numerous Lack of Reserve notices, the first…