This article looks at the N::N_CNLT_2 transient stability constraint on Tuesday to give an example of why some NSW batteries ended up charging through Tuesday’s price spike.
A quick look at the data from our frequency logger yesterday, showing the changes in frequency during the period of market volatility.
The AEMC has published its draft 2026 Reliability Standard and Settings Review, setting out the Panel’s preliminary views on the future reliability standard and how the market should clear during minimum system load events.
Today in NSW we saw large price spreads, material network curtailment, wild swings in demand, and several other factors unfold. This article summarises some of the high-level drivers of today's events.
A quick snapshot of regional prices, where the spot price in NSW hit the MPC at 11:00am NEM time.
So far today we've seen a $21,019.65/MWh intra-day price spread in NSW, underscoring just how far prices can swing in the NEM.
A brief but unexpected spike to the market cap in NSW in middle of today has prompted a closer look at the rapid demand jump, counter-price flows and binding constraints that shaped the outcome.
A fast-moving thunderstorm system swept through Brisbane and surrounding regions on Monday afternoon, bringing destructive winds, giant hail and more than 800,000 lightning strikes.
Identifying 5 distinct time periods (from 26th Sept 2025 to 21st Nov 2025) with Waratah BESS, we take ez2view and some external references to try to piece together sequence of events in 3 of...
A quick article with this NEMwatch snapshot at 08:35 (NEM time) on Friday 21st November 2025 to record some volatility in NSW.
Allan O'Neil unpacks a proposal under consideration by the AEMC to apply “runway” cost allocation to contingency FCAS, explaining how this could materially change who pays for frequency security in the NEM.
Anthony Cornelius from WeatherWatch explains the climate drivers behind Southeast Queensland’s unusually intense 2025 hail season — context that matters for those tracking how extreme weather is evolving and influencing the energy market.
A view of cumulative total wind production in Q2, highlighting a lack of spatial resource diversity, and the future challenges for gas and long-duration storage.
A compiled list of development projects delayed or leaving the market in between the ESOO2023 and its update released two weeks ago. Along with some analysis of longer term trends with the development pipeline.
Following a presentation with the CEC, Linton shared some insights into FCAS Regulation costs for wind and solar units over last calendar year.
Dan Lee takes a deeper dive into network and economic curtailment, and shares some charts and data maps that demonstrate seasonal effects, and the geographic spread of units affected.
Almost 2.5 years since we released GenInsights21, today we're publishing this article that contains a precis of the analysis included as Appendix 27 under the title 'Exploring Wind Diversity'.
Our GSD2023 was released just over 4 weeks ago. This is the second sequential article utilising the GSD2023 Data Extract to take a look across all the Semi-Scheduled units (i.e. Wind and Solar). In...
Elon Musk's '100 days or it's free' offer was made almost exactly 7 years ago - how much longer or shorter have battery development delivery times changed since then?
A review of battery storage market performance in the NEM throughout 2023, a year in which where we saw the battery fleet double in size.