BESS are large battery facilities — most often using lithium-ion batteries — that plug into the power grid and withdraw power during the night to then give back to the grid during peak hours in the daytime. Scott Aaronson, CEO of DLD Energy, has proposed building one at 600 Canal St. The council did not comment on Aaronson's proposal or the nature of the moratorium at its Wednesday, June 24 meeting. The councilors have said in the past that the …