supagridResearch into the data, dynamicsand decisions shaping the NEM.
Explainers on how the market and the network work, analysis tested against the market's history, and a note each month on what's new in supagrid.
Latest posts.
Our dispatch model, within a dollar of the real market
We tested supagrid's dispatch model on nine days it had never seen. 98.2% of its five minute prices landed within $1 of AEMO's, with an average gap of 8c, so every scenario in supagrid starts from the market as it really was.
What coal plants tell the market when something breaks
Two years of coal rebids, read note by note. Notes naming a fault rose by more than two thirds, but almost all of the rise was one unit's automatic notes, and the output lost to faults fell.
The machines that bid our batteries
Batteries now lodge nearly three in four of the NEM's rebids, and two pieces of software write most of them. We sorted 9.7 million rebids into families, then scored a year of 45 batteries to ask whether the choice of software shows up in what they earn.
The two lines that took New South Wales to the edge of the price cap
On 12 October two lines in New South Wales were out for maintenance, and the price reached $23,107 while Victoria's sat below zero. We show how the limits set the price, run the afternoon again with either line back, and work out how likely it was.
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