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…
Second Case Study (Daydream Solar Farm on Tuesday 3rd September 2019) – another eventful day
Our second Case Study in a recent series, aimed to help us explore ways to continue the pushing the development of ez2view forward, but also shared with readers here on WattClarity. This time about Daydream Solar Farm on Tuesday 3rd September 2019.
Network connection traps for new generation developers
Guest Author, Nathan Potter, analyses the challenges and complexities of new generator development in the market and outlines common traps that can be avoided.
AEMO forecasts new “lowest ever” demand today in South Australia – but misses by 200MW
A quick look at what would have been a new “lowest ever” point for SA Scheduled Demand today at 12;30 … if the AEMO forecast had held to be valid.
Almost three years on – reflections on Frequency Control in the NEM
Guest author (and power system control specialist), Kate Summers, looks at what’s changed since she published a paper on frequency control in the NEM back in January 2017.
All aboard the Negawatt Express … but where are we really headed?
Better late than never (perhaps?) today I post a few thoughts about the AEMC’s proposed draft rule change for the incorporation of NegaWatts into centralized dispatch.
‘Duck Curve’ delivers declining Minimum Demand levels in South Australia
An email alert from NEMwatch (noting Scheduled Demand under 500MW in South Australia today) distracts us, and prompts us to dig a little deeper at the longer-term trend.
Lessons learnt in bringing new wind and solar to commercial operations stage
Our guest author Maria Cahill, offers insights and details lessons learnt over the past two years since moving to Melbourne from the UK to set up K2 Management’s Australian office.
A day in the life of a large-scale Solar Farm in the NEM –a Case Study of Ross River Solar Farm on Thursday 10th October 2019
Thursday 10th October 2019 presented another day of many negative price events in the QLD region. In this Case Study (prepared for dual purposes) we look at how one particular solar farm operated through this period – Ross River Solar Farm.