“Some decisions look obvious after the event. They rarely are in real time,” Karimi says.
NEMPulse is an independent, open-data dashboard that tracks the dispatch, revenue, and bidding behaviour of every grid-scale battery storage system in the NEM.
Why battery storage systems charge into price caps
The two batteries recorded charging during the AU$20,300/MWh cap event: Lake Bonney BESS1 at an average rate of 1.4MW and Templers at 3.5MW, producing the evening’s most counterintuitive result.
Karimi says there are several legitimate explanations for why a battery storage system might find itself in a charging position during a price cap interval, but not all of them represent sound decision-making.
