Industry groups argue that even batteries that don’t meet the 10-hour threshold still provide the same reliability benefits as fossil fuel power plants.
A 2019 state law requires utilities to consider energy storage in their long-range resource plans.
A Missouri test will look at lead-acid batteries’ potential to reduce or eliminate demand fees for vehicle charging.
The recommendations are contained in an energy storage report stemming from the state’s 2016 energy plan.
The state’s largest utility says it will need energy storage to help it manage a surge of intermittent resources.