High Winds and Solar Panels

Simon Culley • October 5, 2025

What Homeowners Need To Know

High winds can rattle more than just your windows—they can test the limits of your solar panels. If you've been wondering about the solar panel impact during weather like Storm Amy which is currently battering Britain, you're not alone. Understanding how weather effects on solar panels play out could save you from costly repairs and keep your system running smoothly.


Understanding Wind and Solar Panels

When it comes to solar panels and wind, there's more to consider than you might think. Understanding how these two forces interact and what it means for your home's energy system is vital to be ready for when the situation arises.


High Winds and Solar Panel Impact

Strong gusts can put your solar panels to the test. During high winds, panels face increased pressure that can strain their mounting systems. This added stress might lead to loose brackets or, in extreme cases, panels breaking free.  Most solar installations are built to withstand winds up to 140 mph, that's as fast as a Category 4 hurricane! But it's not just about speed. The direction of the wind matters too. Panels angled into the wind often fare better than those catching it from underneath.  It is worth remembering though that not all solar setups are equal. The quality of installation plays a big role in how well your panels hold up. Proper mounting and regular checks can make a world of difference when the wind picks up and something like Storm Amy hits.


Weather Effects on Solar Panels

Wind isn't the only weather worry for solar panel owners. Rain, hail and extreme temperatures all play a part in your system's performance and longevity.


Rain can actually help by washing away dust and debris. This natural cleaning boosts panel efficiency. But heavy downpours paired with strong winds are when you might start to see issues.

Hail is another concern. While most panels can handle hailstones up to 1 inch in diameter, larger ice balls can crack or dent the surface. Thankfully, severe hail damage is rare.


Heat and cold can affect solar panel output too. Very high temperatures can reduce efficiency, while snow might block sunlight. But there is some good news too - many panels are designed to shed snow and perform well in various climates.  This article takes a more detailed look into how solar panels handle extreme weather, check out this informative article.


Ensuring Solar Panel Durability

Keeping your solar panels in top shape is key to getting the most out of your investment. Considering potential wind damage and how to keep your panels in prime condition is something that can be done at any time but you will reap the benefits for a long time.


Wind Damage to Solar Panels

Wind can be sneaky when it comes to damaging solar panels. Sometimes, the harm isn't obvious right away. Loose mounting hardware might not show up until the next big gust comes along but here's what to look out for:


  • Tiny cracks in the panel surface
  • Bent or twisted frames
  • Gaps between panels and roof
  • Loose wires or connections


Even small issues can grow if left unchecked. A slightly loose panel might start to let water seep in, leading to bigger problems down the line.  But it's not just about the panels themselves, wind can throw debris around, turning branches or roof tiles into projectiles. That's why it's crucial to keep your roof clear and trim nearby trees.


Solar Panel Maintenance Tips

Regular care keeps your solar system humming along nicely even when the weather turns rough. Here are some easy steps to protect your panels:


  1. Visual checks: Look for any obvious damage or loose parts every few months.
  2. Professional inspections: Have an expert give your system a once-over annually.
  3. Keep it clean: Gently wash panels with water to remove dirt build-up.
  4. Trim trees: Cut back branches that could fall on your panels during high winds.


Don't forget about the roof itself though. A sturdy roof is your panels' first line of defence so make sure that you fix any loose shingles or tiles as soon as you discover them.  Being vigilant with checks can make all the difference.


Monitoring your system's output can also tip you off to potential issues, for example, a sudden drop in energy production might mean it's time for a closer look.  For more detailed maintenance advice, take a look at this comprehensive guide.


Preparing for a Storm

When storm clouds gather, a little preparation goes a long way. With Storm Amy which is currently in the news, we've had plenty of warning that it was on the way but that isn't always the case.  If you can, there are a few steps that you can do to make sure your solar system is ready to weather the storm (or other types of extreme weather).


Assessing Your Solar System

Before the wind picks up, take a good look at your setup. Start with a walk around your property. Are there any obvious weak spots or loose components?


Check your mounting system. Are all the bolts tight? Any signs of rust or wear? These small details can make a big difference when the wind starts howling.  Don't forget about your inverter and wiring. Make sure everything is properly secured and protected from the elements.

If you spot anything that doesn't look quite right, then make sure you act on it. Small fixes today can prevent big headaches tomorrow.  Remember though, your safety comes first. If you're not comfortable climbing on the roof or working with electrical systems, call in the pros.  We would never recommend getting up on the roof yourself if you are not skilled, competent or comfortable in doing that.  That's the time to get us involved.


Overall, it's not always easy to be able to monitor closely the fixtures and fittings, the roof, the panels and other elements of your solar panel system.  So if you are unsure or you feel that that it's time for a regular check up then do what you can before bringing in the experts.  Prevention and forward planning is the best way to ensure that your solar panel system will survive the elements and provide you with the energy supply you want for years to come.

By Simon Culley October 13, 2025
Understanding which are the highest energy using appliances in your home could be a useful step in deciding whether to install a solar energy system in your home
By Simon Culley October 4, 2025
Understanding if your roof is suitable is a crucial part of the solar panel installation process There is often a way to adapt to different types of roof to prepare
By Simon Culley September 18, 2025
Is it possible to charge your electric vehicle through energy charged from solar panels at home? It is and this blog looks at the benefits and possibilities
By Simon Culley September 14, 2025
Find out how to clean and maintain your solar panels to ensure that they last longer and continue provide you with the green energy solutions for your home
By Simon Culley September 4, 2025
In an era where environmental issues are high, alternative energy sources are critical. Solar, wind and hydroelectric power can offer viable fossil fuel alternatives
By Simon Culley August 28, 2025
Understanding if solar battery storage is right for your home is key to deciding whether sustainable energy is the right thing for you and your energy requirements
August 22, 2025
Looking after your solar panels could make all the difference in ensuring that they last longer and continue to work for you and providing energy for your home
August 15, 2025
As summer temperatures continue to rise, many homeowners are exploring the advantages of home solar energy during heatwaves. With the increasing frequency and intensity of these heatwaves, understanding the heatwave impact on solar panels becomes crucial for those considering solar panel installation or upgrades. Exploring the benefits of solar energy in summer can help homeowners make informed decisions about their energy solutions. During these hot spells, questions often arise about whether solar power is effective in heatwaves and how solar panel efficiency might be affected. The relationship between heatwaves and solar panels is complex. While sunlight is essential for solar energy production, extreme heat can affect the performance of solar systems. Let's explore how heat impacts solar power and ways to maintain optimal performance during high temperatures. Effect of Heat on Solar Power Heat can influence the efficiency of solar panels in several ways. As temperatures rise, the electrical resistance in solar cells increases, which can lead to a slight decrease in power output. Most solar panels are designed to operate optimally at around 25°C (77°F). For every degree above this temperature, panel efficiency may decrease by about 0.5%. This means that during a heatwave, when temperatures can soar well above 30°C (86°F), solar panels might experience a noticeable drop in efficiency. However, it's important to note that while efficiency may decrease, the overall energy production often remains high due to the increased sunlight during summer months. The American Solar Energy Society explains that despite this efficiency drop, solar panels can still harness significant energy during heatwaves . Maintaining Performance in High Temperatures There are several strategies to help maintain solar panel performance during heatwaves: Proper installation: Ensure panels are installed with adequate airflow beneath them to allow for cooling. Regular cleaning: Keep panels clean to maximise light absorption and reduce heat build-up. Use of reflective materials: Installing panels on light-coloured roofs can help reflect heat. Modern solar panels often come with built-in features to mitigate heat effects. Some use advanced materials that are less susceptible to heat-induced efficiency loss. According to Electricraft Inc., proper maintenance and installation can significantly reduce the impact of heat on solar panel performance . Regular check-ups by professionals can ensure your system is optimised for summer conditions. Benefits of Solar Energy in Summer While heatwaves present challenges, summer also offers unique advantages for solar energy systems. Longer days and increased sunlight can lead to higher energy production, often outweighing the slight efficiency loss due to heat. Increased Daylight Hours Summer brings longer days, providing more time for solar panels to generate electricity. This extended period of sunlight can significantly boost overall energy production. In many regions, summer days can be up to 50% longer than winter days. This means that even if panels are operating at slightly lower efficiency due to heat, they're still producing energy for many more hours each day. Green Building Renewables notes that the increased daylight hours during summer can lead to substantial energy surpluses . This excess energy can be stored in batteries or fed back into the grid, depending on your system setup. Cost Savings and Energy Independence The combination of increased daylight hours and high energy demand during heatwaves can lead to significant cost savings for solar panel owners. During heatwaves, energy consumption often spikes due to increased use of air conditioning and cooling systems. This can lead to higher electricity bills for those relying solely on grid power. Solar panel owners, however, can offset much of this increased consumption with their own generated power. This not only leads to lower electricity bills but also reduces strain on the power grid during peak demand periods. Endesa highlights that this energy independence can be particularly valuable during extreme weather events , when grid reliability may be compromised. Is Solar Power Effective in Heatwaves? Despite the challenges posed by extreme heat, solar power remains an effective energy solution during heatwaves. The benefits often outweigh the drawbacks, particularly when systems are properly designed and maintained. Home Solar Energy Advantages Solar energy offers several advantages for homeowners during heatwaves: Reduced reliance on the grid during peak demand periods Lower electricity bills, even with increased cooling needs Potential for energy storage to use solar power during evening hours Contribution to reducing overall energy demand and strain on the power grid The American Solar Energy Society emphasises that solar panels can help stabilise the grid during heatwaves . By generating power locally, solar systems reduce the load on transmission lines and power plants, which can be crucial during periods of high demand. Moreover, solar panels can provide a layer of insulation for your roof, potentially reducing the heat absorbed by your home and lowering cooling costs. Solar Panel Efficiency in Summer While high temperatures can slightly reduce solar panel efficiency, overall energy production in summer is often higher than in other seasons due to increased sunlight. Modern solar panels are designed to minimise efficiency loss due to heat. Many panels now operate at 85-90% of their rated efficiency even at temperatures above 50°C (122°F). Electricraft Inc. notes that advancements in solar technology continue to improve heat tolerance . Some newer panel designs incorporate materials and technologies specifically aimed at maintaining efficiency in high temperatures. It's worth noting that while midday efficiency might decrease slightly during a heatwave, solar panels often compensate by producing more energy in the cooler morning and evening hours when sunlight is still abundant. For more specific questions and information relating directly to your home and solar panels, talk to us about what your needs are and how we can help
August 8, 2025
A Checklist For What To Consider
July 30, 2025
Solar battery storage is an important component of a solar energy system for your home, here you can find out how battery storage works and what it can do for you