The degradation rate of solar panels varies depending on the climate they are installed in. In general, solar panels in temperate climates typically exhibit lower degradation rates compared to those in more extreme climates, such as polar or hot and humid environments.
Polar Climates
In polar climates, solar panels can experience unique conditions such as high snow loads, extreme cold temperatures, and limited sunlight during parts of the year. However, some studies suggest that if solar panels in polar climates are installed in a way that avoids snow loads (e.g., facade-mounted), they may exhibit very low degradation rates, similar to those in temperate climates. The lack of UV radiation and lower temperatures might help reduce some forms of degradation, but mechanical stress from snow and ice could still pose risks.
Temperate Climates
Temperate climates generally offer conditions that are conducive to lower solar panel degradation. These regions typically experience moderate temperatures and less extreme weather conditions compared to hot or cold climates. For example, studies in Sweden and Massachusetts have shown remarkably low degradation rates, often below 0.5% per year, under such conditions.
Comparison
While specific data comparing polar and temperate climates directly is limited, the general trend suggests that temperate climates may offer more stable conditions for solar panels, potentially leading to lower degradation rates. However, if polar installations are done carefully to mitigate snow loads and extreme cold, they might not necessarily degrade faster than those in temperate climates.
Factors Influencing Degradation
- Climate Conditions: Extreme temperatures, UV exposure, and weather events influence degradation rates significantly.
- Installation and Maintenance: Proper installation techniques and regular maintenance are crucial to preventing mechanical damage and soiling effects.
- Technology and Quality: The type of photovoltaic technology and the quality of materials used can also impact degradation rates.
Overall, while solar panels in temperate climates may generally experience lower degradation due to moderate conditions, careful installation in polar climates can potentially achieve similar results.
Original article by NenPower, If reposted, please credit the source: https://nenpower.com/blog/how-does-the-degradation-rate-of-solar-panels-in-polar-climates-compare-to-those-in-temperate-climates/
