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In short, yes. Solar panels work all year round, but they will produce less energy in winter due to the shorter days. Solar panels generate electricity from sunlight, not heat, meaning they can function in colder weather – even in below-freezing conditions. Solar panels can still operate with light snow, as sunlight can penetrate. The albedo effect (sunlight reflecting off snow) can even boost production!
While winter sunlight is less intense, pairing your solar panels with a home battery system allows you to store excess energy for use later. You can combine your solar PV and home battery storage system with a time of use tariff, allowing you to charge your batteries during the cheaper, off peak times and use that energy during peak times.
Keep your solar panels clean and clear of heavy snow or debris to maintain optimal performance in the colder months. Light snow doesn’t significantly affect efficiency, but it’s wise to gently brush off heavier snowfall. Solar panels are durable and designed to withstand extreme weather, like hail or heavy rain. It’s important to check your array periodically and clear any obstructions to help maintain energy output.
One common misconception is that cold temperatures stop solar panels generating electricity. In reality, cold weather can boost performance, as solar cells are more efficient at converting sunlight into electricity when they’re cooler. Modern solar systems (like our Qcells systems) are built to withstand harsh weather like snow, ice, and hail. Qcells solar panels are built using high quality anti-reflective glass for higher yields and longer life, with innovative all-weather technology. This means you get optimal energy yields whatever the weather, including in low light.
Pairing your solar system with ELKATHERM® electric radiators and a Sunamp heat battery helps to optimise your energy usage all year round. ELKATHERM® heaters boast a German A++ energy efficiency rating, helping to reduce your energy consumption. Sunamp heat batteries offer a smarter and more efficient way to heat your domestic hot water, and can be charged by solar PV. A full HeatElectric system allows you to heat your home with solar energy. Qcells solar panels charge your Sunamp thermal store and your Qcells home battery. Use this stored energy in the evening to power your ELKATHERM® electric radiators and heat your home.
Cloudy weather can affect energy production, but our Qcells solar panels boast innovative all-weather technology, allowing them to still produce electricity, even on cloudy days. Occasionally, cloud cover can even enhance sunlight absorption, due to a phenomenon called cloud lensing, which briefly boosts solar output when the sun passes behind clouds.
Frost and snow aren’t a significant problem for modern solar panels. Light snow doesn’t block all sunlight, but you should clear away any heavy accumulations with a soft brush to prevent damage. Qcells solar panels are built to handle cold, wet weather conditions, but keeping them clean ensures maximum efficiency.
Follow these tips to keep your solar panels performing at their best all year round. For more information on our Qcells solar systems or energy-efficient heating solutions, get in touch today.
