There has been growing uptake in battery energy storage in Midwestern US states that have traditionally depended on burning coal for electricity, with some “very big projects planned,” an analyst has said.

Wärtsilä has installed the first utility-scale battery storage project in Singapore and received an order from a customer in Southeast Asia for a further 90MW / 90MWh of battery storage.

Battery system integrators must navigate a broad array of technologies and varying market drivers when putting systems together. Andy Colthorpe speaks to Powin Energy and Sungrow about the engineering challenges involved in building lithium-ion battery storage.