A PV or photovoltaic cell, the basic unit of a photovoltaic system, converts solar energy into electrical energy. (Please see “What are photovoltaics and what do they do?
• A module is a group of interconnected PV cells designed to deliver a selected level of working voltage and current at its output terminals. Modules are produced in standard sizes and power outputs, packaged for protection against environmental degradation, and equipped for incorporation into photovoltaic power systems. • A panel is a physically connected “string” of modules used collectively to achieve a required voltage and current. However, the term panel is often used informally to refer to a module. • An array is any number of photovoltaic modules connected together to provide a single electrical output, assembled to power a home, business, or larger commercial or municipal load. [ Back to top ] What is an inverter? An inverter is a device used to change the DC (direct current) electricity produced by PV (photovoltaic) cells into the AC (alternating current) electricity that is required to power lights, appliances, machinery etc. in homes and businesses. [ Back to top ] What is m