The NEM expanded by 9,142MW in 2025. Solar generation captured a shrinking value as solar prices diverged from average spot prices, whilst LGC prices collapsed during the year. SA solar had nearly two-thirds of potential energy curtailed. Heywood and Basslink had more network constraints.
This part of our Annual Report concentrates on generation, where the Highlights section draws out the key takeaways from new generation and retirements, planned outages, generator performance, curtailment, technology mix, and hydro storages. The second half of the report outlines the charts and tables for further perusal.
1.0 Highlights
This section is a summary of monthly generation which can help tell the story of the drivers of price outcomes in the spot market.
In accordance with our AFSL Authorised Representative obligations we have included a disclaimer and qualified the publisher at the end of this article.
