Update – California energy storage records extended:
On Sunday its dominance was even greater – setting a new output record of 6.5 GW
record share of 26.5 per cent of supply
ranking as the the number one supplier for the grid from 6.45pm to 8.25pm.
Estimates that there’s 7 GW of capacity under CAISO management, so greater than 90% utilization. Most of these batteries are 4 hour batteries, so almost 28 GWh of storage capacity.
These batteries are consuming up to 4 GW in daytime solar. Note that most charging occurs during solar period when pricing is the lowest.