Watt Peak (Wp) – Definition, Glossary, Details – Solar Mangoadmin
Solar Modules are rated in Watt Peak. Watt peak (sometimes Kilowatt peak is used for PV plants) stands for peak power. This value specifies the output power achieved by a Solar module under full solar radiation (under set Standard Test Conditions). Solar radiation of 1,000 watts per square meter is used to define standard conditions.