Southwestern England’s Gloucester Cathedral is now home to a 38 kilowatt (kW) solar photovoltaic system, one expected to reduce the facility’s energy costs by around 25%. The new solar energy installation at the >1,300-year-old cathedral — host to the tomb of King Edward II (deceased 1327), amongst other things — makes it one of the oldest cathedrals (or rough equivalents) anywhere in the world to have such a system. The system was installed by local…