AusNet Services – in partnership with ABB Australia and Samsung SDI – is trialling a one megawatt (MW) ‘network’ battery to support the electricity grid during ‘peak demand’ periods. Commencing December 2014, the two-year trial centers on using a portable 1MW battery system to automatically provide local support into the 22 kV grid at peak demand periods and recharging during low demand periods.

The system also includes a 1 MW diesel generator as a secondary supply to extend supply for full coverage of the peak demand period. The system can also transition to island mode to provide power as part of a mini grid when parts of the network become isolated. The battery can operate at full power for one hour.

Lithium-ion Battery