Hawaii has chosen Massachusetts-based Ameresco Inc. to upgrade 33 state buildings on five islands as part of a $17.4 million Energy Savings Performance Contract with its Department of Accounting and General Services. The project, which is expected to save the state more than $1 million in the first year and lower operational costs by $28 million during the 20-year term, will incorporate 22 energy conservation and renewable energy measures across the 33 state-owned buildings on Oahu, Maui, Kauai,…