- A flat panel that collects solar energy. A solar panel can be either a thermal collector (which heats air or water) or a photovoltaic module (which generates electricity).
- A device usually consisting of multiple solar cells which are connected to produce a given power output. Also called solar array, solar module, solar battery, solar cell array, sun battery, or panel (4).
- synonymsolar array
- synonymsolar battery
- synonymsolar module
- synonymsolar-cell array
- synonymsun battery
- noun a large panel containing light- or heat-absorbing plates that convert the sun’s radiation into renewable energy for use in the home