Big batteries scoop the pool and sideline gas in "firming tender" designed to secure supply at times of system stress as state moves to 100 per cent net renewables.

Australia's biggest distributed network owners has a growing portfolio of big batteries in development, but this is the first to be sent to the EPBC.

Big batteries scoop the pool and sideline gas in "firming tender" designed to secure supply at times of system stress as state moves to 100 per cent net renewables.