While a recent study said 10GW of energy storage by 2030 would offer overall benefit to Nevada, NV Energy will move forward with an Integrated Resource Plan: 1,000MW of renewables including 100MW of storage – by 2021.

Nevada could cost-effectively deploy between 750MW and 1,000MW of energy storage by 2030, according to an economic study commissioned by the state’s rulemakers to investigate the potential for the technology.

Utility Xcel Energy’s latest resource plan for Colorado, aimed at increasing renewable energy generation and aiding the retirement of coal plants, was approved by the state’s Public Utilities’ Commission (PUC) on Monday.

Hawaii has been a prolific installer of both rooftop solar and latterly batteries for energy storage and one of the US state’s smaller islands looks set to get its first ever grid-scale solar-plus-storage system.