Once again, lithium-ion battery-based solutions have been selected for projects that will “improve overall reliability” of electricity supplies, to enhance the grid and make it more efficient, while also providing backup in case of outages.

New Zealand’s small handful of advanced energy storage systems will be added to with the NZ$2 million (US$1.45 million) trial deployment of a grid-scale Tesla Powerpack 2 by energy generator and retailer Mercury.