From: Next Generation PVs

ES-Series poly-crystalline solar panels feature String Ribbon wafer technology. The panel’s design consists of 108 poly-crystalline silicon solar cells, anti-reflective tempered solar glass, EVA encapsulant, polymer backskin, and a double-walled anodized aluminum frame. Each panel measures 371/2 by 61.8 inches and weighs 40.1 pounds. Three panel options achieve an STC maximum power rating of 180 to 195 W; multiple mounting options enable installation versatility. 508.357.2221. www.evergreensolar.com.