The Residential Rooftop Portfolios project features approximately 275 installations across Bristol, England, and Newport, Wales. The systems have an average size of 2.7 kWp, totaling 6,601 kWp of installed capacity. The project utilizes Sovello SV-T-195 modules and SMA SB 2000 or 3000 inverters. The installations were completed from 2011 onwards, with the project still active today.