More and more Ukrainians are installing solar panels for their homes and even apartments. With the onset of winter, they begin to ask themselves the question: how to clean solar panels from snow?
EcoPolitic has collected tips from those owners of solar photovoltaic cells who have been using this equipment for years.
Solar panels are becoming increasingly popular. They not only reduce household electricity costs but also serve as a backup power source. But in winter, when daylight hours are short and the sun rarely shines, every kWh counts. The problem is exacerbated by snow and ice, which sometimes completely block the rays from reaching the panels.
Is it necessary to clean solar panels from snow, and if so, how to do it safely and efficiently? Below, we'll look at the main points to consider and give specific recommendations.
Do I need to clean solar panels from snow?
Experts have different opinions on the need to clean solar panels from snow. In some cases, snow melts by itself under the influence of sunlight or heat generated by the panels themselves. However, if snow remains on the surface of the panels for a long time, it can significantly reduce their performance.
Snow removal from solar panels is an important step in equipment maintenance, especially if you want to keep your solar station as efficient as possible.
In fact, solar panels are able to “cope” with the snow cover themselves if it is not dense and not too thick. During operation, the panels heat up. Therefore, if they are partially covered with snow, it will quickly begin to melt at the junction with the panel and melt off by itself.
Most solar systems are installed on roofs, facades, or special structures at a significant angle. This ensures that the snow slides off as soon as it starts to melt.
The main factors that influence the decision on cleaning are:
- The angle of the panels. Panels installed at a steep angle are more likely to self-clean due to gravity.
- Intensity of snowfall. In regions with heavy snowfall, cleaning may be necessary to maintain stable energy generation.
- Accessibility of the panels. If the panels are easily accessible, cleaning can be quick and safe.
How to clean solar panels from snow: practical tips
If heavy snowfalls cover the solar panels with such a thick layer that it does not melt for a long time, it makes sense to prepare the necessary devices.
1. Use soft tools
To avoid damaging the surface of the panels, use tools with soft nozzles, such as rubber or foam brushes. Special mops with telescopic handles for cleaning solar panels can be found in stores and on websites that specialize in equipment for solar stations.
If there is ice on the panels, you should not make efforts to remove it in order not to damage the photovoltaic cells. It is enough to clean off the snow, and the ice will begin to melt on its own.
2. Do not use hot water
It can cause rapid thermal expansion, which can damage the panels. It is better to use cold water or clean the panels manually without using liquids.
3. Avoid abrasive materials
Do not use metal tools or brushes with stiff bristles, as they can scratch the glass surface of the panels and reduce their effectiveness.
4. Work safely
If the panels are installed on the roof, it is important to ensure safe working conditions. Use a safety harness, limit your work to working from the ground if possible, and call in a professional if necessary.
5. Leave some of the work to nature
If the snow layer is thin, give it some time to melt naturally. Sunlight can often help clear panels quickly, even in cold weather.
6. Consider automatic cleaning systems
For large solar plants or panels that are difficult to access, you can install automatic cleaning systems, such as heating elements or special mechanical brushes.
By following our tips, you can accomplish this task without risking damage to the panels or endangering yourself.
How to avoid snow accumulation
- Correct installation of the panels. Installing the panels at an angle of 30-45 degrees helps snow melt faster.
- Anti-icing. In regions with harsh winters, it is advisable to use a heating system or special coatings to reduce ice formation and prevent snow accumulation.
- Regular monitoring. Systematically check how much snow has accumulated on the solar panels. If necessary, remove it in a timely manner.
Earlier, EcoPolitic already reported how many home solar power plants have already been installed in Ukraine and provided a rating of the regions that are leading in terms of their number.
