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Key Points
- Despite common myths, solar panels still produce electricity in the winter.
- Scraping heavy snow from solar panels increases the risk of damaging the panels.
- Silicon-based photovoltaic solar panels work more efficiently in cold climates.
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Solar panels in the winter FAQs
Yes, solar panels still work in cold-weather states. In fact, many cold northeastern states, such as Massachusetts, Vermont, and Maine, rank high for solar power generation.
Cold air actually improves efficiency, but snow and low sunlight can reduce production. They are typically designed to operate within a temperature range of -40 degrees to +185 degrees Fahrenheit. Make sure to check with your solar manufacturer to confirm the temperature range for your panels.
Solar panels may generate less energy in winter than in other seasons due to shorter daylight hours and lower sun angles. The exact reduction will vary depending on location, weather conditions, and panel orientation. However, the general estimate is around 20–30% less production when panels are covered in snow.