The sun, a seemingly constant presence in our lives, provides an abundant source of energy that can be harnessed in a sustainable and environmentally friendly way. Solar panels, also known as photovoltaic (PV) panels, have revolutionized the way we generate electricity by converting sunlight into usable energy.

Weather plays a crucial role in the performance and efficiency of solar panels. While sunny days are ideal for maximizing energy production, other weather elements such as rain, clouds, extreme heat, and even snow can challenge their functionality.

I.How solar panels work？

At the heart of a solar panel are photovoltaic cells, also known as solar cells. These cells are made up of layers of semiconducting materials, typically silicon. When sunlight shines on the solar panel, photons, which are particles of light, strike the surface of the solar cells.

The photons excite the electrons in the atoms of the semiconducting material, causing them to be freed from their atomic bonds. This creates an imbalance of electrons, resulting in the generation of an electric current. The flow of electrons is captured by metal conductors within the solar cell, and an electrical circuit is formed.

The direct current (DC) electricity generated by the solar cells is then sent through an inverter, which converts it into alternating current (AC) electricity, suitable for powering homes and businesses or feeding into the electrical grid.

It's important to note that solar panels are capable of producing electricity even on cloudy or overcast days. While direct sunlight is optimal for maximum energy production, even diffuse sunlight can generate a significant amount of power. This ability to extract energy from various light conditions makes solar panels inherently adaptable to changing weather patterns.

II.Weather Factors affecting Solar Panels

Heat

In the past, excessive heat affected the efficiency of commercial and residential solar panels. High temperatures caused a decrease in power output and the materials within the panels experienced thermal loss. But manufacturers have made significant advancements in the technology surrounding solar power, incorporating heat-resistant materials and cooling mechanisms to mitigate any issues.

Humidity

Humidity does not significantly affect residential and commercial solar panels, but excessive moisture and condensation can potentially reduce the panels’ efficiency. Proper drainage and ventilation are crucial for preventing water accumulation and heat buildup. Modern technology has designed solar panels panels incorporate channels and vents to facilitate the smooth flow of water and dissipate excess heat.

Rain

Solar cells are encapsulated within a weatherproof layer, usually made of ethylene-vinyl acetate (EVA) or similar materials. This encapsulation protects the cells from moisture ingress, UV radiation, and other environmental factors that could degrade their performance over time. The materials and placement of each panel protect the system from water infiltration. Regular maintenance, including cleaning each solar energy panel for dirt and debris will help maintain its efficiency.

Storms

Solar panels are typically mounted on rooftops or structures. To withstand high winds, heavy snow loads, and other environmental stresses, the frames and mounting systems are designed to be strong and durable. During installation, a professional will mount and anchor the system in place. While extreme weather events can potentially cause damage, proper installation, maintenance, and prompt repairs will ensure solar power is being generated efficiently.

SUNKEAN solar panels have higher module conversion efficiency, lower cost per kilowatt-hour, excellent anti-PID performance, passed the salt spray tolerance and ammonia resistance certification, and passed the 2400Pa wind load and 5400Pa snow Load certification. The solar panels and connectors are durable and waterproof. The anodized aluminum alloy frame is durable and can withstand the effects of hurricanes, rain, snow, and more.

Advancements in technology and industry standards have made solar panels reliable and resilient in any weather conditions. We are proud to help commercial and residential customers understand how to improve the longevity and efficiency of each panel during various weather conditions. Learn more about our services today. Email: wendy@sunkean.com