In its home territory of Germany, energy storage provider Sonnen is making a play to replace utilities, but its business models in the US will instead emphasise cooperation with existing energy suppliers.
Arizona Public Service (APS) announced Wednesday that rather than rebuild miles of electricity transmission lines, it will install two battery storage systems totalling 8MWh in rural Punkin Center, Arizona — making it one of the first electricity companies in the US to utilise batteries instead of traditional infrastructure.
