Apartment rents will run from $1,600 to $2,600 monthly, but there will be big savings on energy costs.
Construction - which began last week - is expected to be completed early in 2013. The historic facade will remain intact.
The company, later this year, is set to open the nation’s first mixed-use, solar- and wind-powered development, which it is nearing completion on Hamilton Avenue in Carroll Gardens.
The sleek, five-story triangular building, called “The Delta” will feature a bed and breakfast business and restaurant. The building is partly skinned with 1,700 square feet of amber- and red-colored solar panels, matching its brick facade.