HOLYOKE — The new owners of Open Square are already talking with the city of Holyoke about adding more residential units to the mix at the country’s largest net-zero energy, mixed-use development.

, which is between the first- and second-level canals, or at the former Mastex Industries Inc. facility, which overlooks the first-level canal on Bigelow Street, is expected by early summer. “We’re ...

HOLYOKE — Open Square, the net zero energy, mixed-use development spread across seven mill buildings, is getting a $2.5 million infusion from the state’s Housing Development Incentive Program for ...