Designed for commercial and utility-scale applications, the Trina Solar Standard 320W delivers 320W of maximum power output with an impressive 20.2% module efficiency. The optimized 20.2% efficiency rating makes this module a reliable and cost-effective choice for large-scale solar deployments. Backed by a comprehensive 25-year warranty, the Standard 320W is built for decades of reliable energy production. Measuring 1700 x 1050 x 35 mm and weighing 17.6kg, the Standard 320W is designed for efficient handling and installation.