2020_07_WilesPH5

Photo 5. Energy storage system (ESS) as part of a battery-backed-up PV system.  Disconnect circuit breakers are on top of the batteries on the left side of the picture. Courtesy of John Wiles

Photo 5. Energy storage system (ESS) as part of a battery-backed-up PV system.  Disconnect circuit breakers are on top of the batteries on the left side of the picture. Courtesy of John Wiles