Solar panels operate outdoors for many years, so they must be designed to withstand changing environmental conditions.
Outdoor suitability depends on more than photovoltaic efficiency. Mechanical strength, electrical safety and environmental resistance are also important.
Weather Resistance
Outdoor solar panels may be exposed to:
Rain
Humidity
Wind
Dust
High temperatures
Low temperatures
Snow
UV radiation
The module and its components should be designed for the environmental conditions expected at the installation site.
Mechanical Strength
Solar panels can experience mechanical loads from wind and, in some regions, snow.
The module's mechanical-load specifications should be checked against local installation requirements.
Temperature Range
Outdoor modules experience temperature changes throughout the day and across seasons.
The operating temperature range and temperature coefficients are therefore important specifications.
Electrical Safety
Solar modules operate at DC voltage and need to be integrated correctly with the rest of the PV system.
Relevant product certifications and electrical safety standards should be reviewed for the destination market.
Glass And Frame
Conventional rigid solar panels generally use protective front glass and a frame designed to provide structural support.
The frame and sealing system contribute to the module's ability to operate in outdoor environments.
Certification
International buyers should verify the certifications required for their market.
Depending on the destination and application, relevant standards may include IEC requirements and other regional certifications.
Matching The Climate
A solar panel suitable for a particular market should be evaluated according to local environmental conditions.
Tropical regions, deserts, coastal areas and cold climates can present different challenges.