A series of articles about what we have observed happening in the NEM
This is the 2nd of 4 Case Studies to follow on from Tuesday’s main article (summarising results across 105,120 dispatch intervals through 2019 for ‘all Coal’ and ‘all Wind’ groupings). In this case, let's...
Following on from Tuesday's main article (summarising results across 105,120 dispatch intervals through 2019 for 'all Coal' and 'all Wind' groupings), this is the first of 4 x Case Studies that look at each...
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...
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...
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...
Lowest point seen today since the start of the NEM (excluding the SA System Black) for the South Australian region.
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...
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...
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.
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.
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...
Some operations at Stanwell Power Station unit 1 in the past couple weeks caught our attention, and are presented as a useful illustration of some concepts related to flexibility of power generators (in this...
Guest author Allan O'Neil provides this handy explainer on how generators’ contract positions affect their bidding decisions and can make negative spot prices pay off, at least in the short term. Very useful for...
Rapidly growing solar PV output has been widely tagged as the cause of low and even negative prices in Queensland. But in any market it’s the behaviour of ALL participants that determines price outcomes....
The run of prices at $0/MWh and below is continuing in Queensland region this week as we pass into spring (many dispatch intervals today down as low as the Market Price Floor at -$1,000/MWh)....