Solar panels are becoming an increasingly popular choice for homeowners and businesses looking to lower their energy bills and reduce their carbon footprint. However, a common concern is whether solar panels remain effective during the winter months. The good news is that solar panels do work in winter. While their energy output is not as high as in the summer, they are still an efficient and valuable source of renewable energy.
Understanding how solar panels work
Solar panels generate electricity by converting sunlight into energy through photovoltaic (PV) cells. These cells absorb light and create direct current (DC) electricity, which is then transformed into alternating current (AC) by an inverter, making it suitable for use in homes and businesses. The energy output of a solar panel system depends on the amount of sunlight received, the angle at which the panels are installed, and any potential obstructions like trees or buildings that could block sunlight.
Do solar panels still work in winter?
Yes, solar panels continue to work effectively during the winter months. Although the days are shorter and the sun is lower in the sky, they still generate a significant amount of electricity. Unlike common misconceptions, solar panels rely on sunlight rather than heat, meaning they function even in cold weather.
In Ashford and across the UK, winter months still provide sufficient daylight for solar panels to generate electricity. While energy production will be lower than in the summer, a well-designed solar panel system will still contribute significantly to meeting your energy needs.
Maintaining solar panels for optimal winter performance
Regular maintenance is essential to ensure your solar panels operate efficiently throughout the year, especially in winter. Over time, dirt, dust, and debris can accumulate on the surface of the panels, reducing their ability to absorb sunlight. Cleaning them every six months will help maximise their performance.
Debris such as leaves and dirt should be removed to prevent obstructions. If snow settles on the panels, it typically melts quickly due to the dark surface and tilt angle. During winter, the lower sun angle may also cause new shading from trees or buildings, so it is advisable to trim back any overgrown branches that might obstruct sunlight. Keeping an eye on your system’s output and checking the inverter regularly will help identify potential issues before they impact energy production.
The solar panel installation process
The installation of solar panels is a multi-step process that requires careful planning and professional execution. At Solarbright Renewables, the process begins with a thorough roof assessment to determine whether your property is suitable for solar panels. Several factors are considered, including roof material, pitch, shading, and structural integrity.
Once suitability is confirmed, a bespoke solar system is designed to meet your specific energy requirements. The installation process involves fixing a secure mounting system onto the roof, followed by attaching the solar panels. The panels are then connected to an inverter, which converts the generated electricity into a usable form for your property. Finally, the system is connected to the national grid, allowing you to use solar energy and sell any excess back to your energy supplier. After installation, comprehensive testing is carried out to ensure the system operates efficiently.
Is your roof suitable for solar panels?
Not all roofs are equally suited for solar panel installation, and several factors need to be considered before proceeding. Roof orientation plays a crucial role in determining energy output, with south-facing roofs receiving the most sunlight in the UK. However, east- and west-facing roofs can also provide efficient energy generation.
The pitch of your roof is another important factor. Ideally, a tilt of 30 to 40 degrees provides the best results for solar panels. If your roof is heavily shaded for most of the day, solar panels may not be the best option unless the obstructions can be managed. Additionally, the roof structure must be strong enough to support the weight of the panels and mounting system. Solarbright Renewables provides expert assessments to ensure your property is optimised for solar energy.
The role of battery storage in winter
To maximise the benefits of solar energy in winter, investing in battery storage is an excellent option. A battery storage system allows you to store excess electricity generated during the day for use in the evening or when sunlight levels are low. This is particularly beneficial during the winter months when daylight hours are shorter.
By storing surplus energy, you can reduce your reliance on the national grid, making your home or business more self-sufficient. Battery storage also helps in lowering electricity costs by allowing you to use stored solar energy instead of drawing power from the grid during peak hours. With advances in battery technology, homeowners can now make full use of their solar panels even when sunlight is limited.
What happens if solar panels do not generate enough power?
During the winter months, there may be times when solar panels do not generate enough electricity to meet your household’s needs. In such cases, your system will automatically draw power from the national grid to compensate for the shortfall. This ensures a continuous and reliable supply of electricity, even on the darkest days of winter.
Many energy suppliers offer smart tariffs that allow you to purchase electricity at lower rates during off-peak hours. By integrating solar panels with a battery storage system, you can further reduce your reliance on the grid and lower your energy bills.
How long do solar panels last?
Solar panels are designed to be highly durable, with an average lifespan of 25 to 30 years. Advances in technology have made modern solar panels even more efficient and long-lasting, with many manufacturers offering warranties that extend for decades. Over time, solar panels experience a slight reduction in efficiency, typically around 0.5% per year, meaning they will still operate at approximately 80% of their original efficiency after 25 years.
While the panels themselves last for decades, other system components such as inverters may need replacement sooner, typically after 10 to 15 years. Proper maintenance and regular inspections can extend the life of your system, ensuring you get the maximum return on your investment.
Are solar panels worth the investment?
Investing in solar panels is a long-term financial decision that offers numerous benefits. While the initial installation costs may seem high, solar panels significantly reduce electricity bills by generating free energy from sunlight. Over time, the savings on electricity costs can offset the upfront investment, making solar panels a cost-effective solution.
Additionally, solar panels increase the value of a property, as potential buyers are attracted to energy-efficient homes that offer lower utility bills. Government incentives and schemes, such as the Smart Export Guarantee (SEG), allow homeowners to sell excess electricity back to the grid, providing an additional financial return.
Beyond financial savings, investing in solar panels helps reduce carbon emissions and reliance on fossil fuels, contributing to a more sustainable and environmentally friendly energy future. With the rising cost of electricity, solar panels provide stability and energy independence, making them a worthwhile investment for homeowners and businesses alike.
Why choose Solarbright Renewables?
Solarbright Renewables has extensive experience in solar panel installation in Ashford, helping homeowners and businesses transition to renewable energy. Our team of experts provides tailored solar solutions, ensuring your system is designed to optimise efficiency and savings.
We take pride in offering high-quality, professional installations, along with expert advice on battery storage and energy management. Our comprehensive service includes ongoing maintenance and support to ensure your solar system continues to perform at its best for years to come.
Conclusion
Solar panels are an excellent investment, even during the winter months. While energy production may be lower compared to summer, they continue to generate a significant amount of power, reducing electricity costs and supporting sustainable energy use. With proper maintenance, battery storage, and a professional installation from Solarbright Renewables, you can ensure that your solar system operates efficiently all year round.
If you are considering solar panel installation in Ashford, contact Solarbright Renewables for a free consultation and expert advice on the best solar solution for your home or business.