New Massachusetts solar project brings power locally and internationally Green Street Power Partners adds a completed 2.75 MW rooftop array in Devens to its quickly expanding portfolio Stamford, Conn., Dec 20, 2018 (GLOBE NEWSWIRE) – Green Street Power Partners, LLC (GSPP), a national developer and financier of commercial solar, completed construction on a 2.75 MW rooftop solar array in Devens, Mass. One-hundred percent of the energy produced by the system is being sold to MassDevelopment, which operates the Devens Utilities Department, at a competitive rate through a 25-year power purchase agreement. The system is expected to produce approximately 3,581,000 kWh […]