Battery storage sites are proliferating in NY. So are fears they pose a danger.

The New York City Council is set to wade into the issue of “battery farms” and their proliferation across the five boroughs amid rising objections from prospective neighbors concerned that the energy-storage facilities pose a fire threat.

Local energy providers and city officials contend the sites are tightly regulated and a smart, green way to store electricity for use when the power grid is strained. But concern over battery energy storage systems — known as BESS sites — has peaked in the wake of a massive fire at a BESS site in northern California owned by Texas-based Vistra Corp.

That blaze, in January at what’s billed as the world’s largest BESS, forced the evacuation of more than 1,200 people in rural Monterey County. One energy provider, NineDot Energy, said it has more than 50