With the steep rises in energy bills across the UK, more and more homes in the South East are looking for reliable, renewable alternatives. Solar energy has become on of the most popular options, and with the cost of solar dramatically decreasing by around 82%, it is now one of the most affordable renewable options too. Despite the increase in popularity of solar, some people still wonder: “are solar panels really reliable in the South East?”
As trusted local experts, SolarTherm UK has been installing high-performance solar panel systems across Essex, Kent, Sussex, Surrey and the wider South East for over 15 years. Let’s take a closer look at how solar energy works ad why it’s a reliable solution for homes in our region.
What Are Solar Panels and How Do They Work?
Solar panels use photovoltaic (PV) cells to convert sunlight into electricity. When the sun’s rays hit the silicon cells, electrons move and create direct current (DC) electricity. A solar inverter is then needed to convert this to alternating current (AC) electricity that’s usable in your home.
In the South East we may not have Mediterranean sunshine, but solar panels don’t need blazing heat to work. Even on cloudy days, solar panels can generate electricity, making them well suited for the UK climate. Adding solar battery storage can give you round the clock free electricity to use by storing excess electricity for use during evenings and low-generation periods.
How Reliable Are Solar Panels?
Contrary to popular belief, solar panels are extremely reliable. Research has found the failure rate as low as 0.05%, that’s less than 1 in 2,000 panels that fail over a 10 year period. Modern solar panels are built to last, with proper installation and maintenance, most solar panels will last 30 years plus, and most come with a minimum of a 25-year warranty.
Why Do Some Solar Panels Fail?
While solar panels are built to be durable, failures can be caused by:
- Extreme weather conditions – hail, heavy storms or prolonged humidity can cause issue and damage to your solar panels.
- Poor installation – contracting a non-certified company to install your solar panels can cause your panels to fail or degrade faster, it can also affect the warranty.
- Lack of maintenance or physical damage – debris and dust can affect the efficiency of your panels, misuse of cleaning equipment can also cause damage. Find out more about smart maintenance here.
Choosing a professional installer like SolarTherm UK is so important. With us your panels are installed by accredited experts and backed by strong warranties.
Getting the Most Out of Your Solar Panels
To maximise performance and savings, your solar installer should help you design a solar PV system that is tailored to your property and usage. Panels capture the most daylight when they are installed on a south or south-east facing roof, while this gives the perfect conditions, it doesn’t mean you can’t have a solar installation if your roof has a different orientation.
At SolarTherm UK we have installed many solar PV systems that have high generation and efficiency with an east/west split. Solar panels, when installed need to be kept clear of shade from trees or other buildings, there are options, such as SolarEdge power optimisers to overcome where some shading is experienced, but ideally it is cheaper and more efficient to remove any overgrown trees first.
When choosing your solar panels, opt for high efficiency all black panels, to ensure better returns and maximum style. Including solar battery storage can help you use more of your self-generated electricity, providing you with free electricity around the clock.
Use a trusted solar installer, like SolarTherm UK, who understand local homes, roofs and weather conditions across Essex, Kent and beyond.
The Benefits for South East Homeowners
Going solar isn’t just about cutting bills, it’s also about energy independence. With electricity prices rising and uncertainty in global politics causing wholesale energy prices to fluctuate with no end in sight, generating your own clean energy puts you back in control.
In fact, many of our South East customers see the payback period of just 6-10 years and then continue to produce free electricity for decades after. Government incentives such as the Smart Export Guarantee (SEG) can help you earn money back by selling excess energy back to the grid.
Ready to Start Your Solar Journey?
If you’re based in Essex, Kent, Sussex, Surrey or anywhere in the South East of England, now is the perfect time to invest in solar energy. At SolarTherm UK we provide a free no-obligation quote and design, tailored to your property, usage and future energy need. Our quotes and estimates are backed by EPVS, a third party who audits all our quotes to ensure the performance and returns estimates we provide are accurate and achievable. At SolarTherm UK, as we are MCS certified installers, all our installed systems come with long warranties, back by HIES insurance back guarantees.
Contact SolarTherm UK today a free, no obligation quote and design, tailored to your property, usage and future energy needs. No hard sell, just honest, expert advice – and the time you need to make an informed decision.
Your home. Your energy. Your future.
Frequently Asked Questions
Yes. Modern solar panels are designed to operate reliably in the UK climate and can generate electricity even on cloudy days. Their performance varies with daylight levels, but they do not require direct, bright sunshine to produce power.
Yes. Solar panels continue to generate electricity during winter, although shorter daylight hours and lower sun levels mean generation is typically lower than in summer.
Most modern solar panels are designed to last 25–30 years or more, with gradual degradation in performance over their lifetime. Manufacturer warranties can also provide long-term protection.
Quality solar panels are built to withstand typical UK weather conditions, including rain, wind and snow. Severe weather or physical damage can cause problems, which is why professional installation and appropriate maintenance are important.
Yes. Although south-facing roofs can provide excellent solar generation, east and west-facing roofs can also be highly suitable. A professional system design can assess your roof orientation, shading and electricity usage to determine the best setup.
A solar battery can make more of your solar electricity available when your panels are not generating, such as during the evening or periods of low sunlight. This can increase self-consumption and reduce reliance on electricity from the grid.
