The US energy storage market interconnected a total 760.3MWh last year, a 44.9% increase from 2017, with utility-supply the top market segment, according to a new report released by Smart Electric Power Alliance (SEPA), a Washington, DC-based non-profit.

Utility-supply interconnections were 394.9MWh with the sector posting 11.3% year-on-year growth, followed by non-residential, 189.9MWh (34.9%), while residential surged to 175.5MWh (500.1%).