A massive industrial manufacturer of sodium-ion battery systems is being constructed in Northern California. The 183,000-square-foot Sacramento plant will be able to produce 4 gigawatt-hours of sodium-ion battery systems per year, enough batteries to power almost four million households. This marks a major step forward for the state’s clean energy sector as well as a considerable endorsement of sodium-ion battery technologies as a promising next-gen storage solution. The plant will be the first production site in the country dedicated solely…