How long do solar panels last?

Solar panels have become a very popular solution for people looking to increase their energy efficiency. Solar panels don’t last forever, so if you’re wondering if solar panels are right for your house, or if you’re considering replacing the panels you have, this guide has the answers.
How long is a solar panel’s lifespan?

Depending on the specific brand, you can expect your solar panels to last between 25 and 30 years. As with all machinery, solar panels become less efficient over their lives. That means that they’ll continue to produce electricity but won’t be so efficient.

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Newer solar panels can stay more efficient over their lifetime, only losing 0.2%-0.3% of their output per year. This means that after 10 years, modern solar panels will still be working at 97%-98% capacity.

Which solar panels last the longest?

Solar panels are primarily of 2 types: monocrystalline and polycrystalline. Both are manufactured using silicone but differ in their longevity. Monocrystalline panels have a longer lifespan, at around 40 years, but are a little more expensive.

Are solar panels right for you?

One of the biggest reasons to invest in solar panels is the chance to reduce your energy bills. This is particularly important as the Ofgem energy price cap increase in January 2024 meant that energy prices went up to an average annual bill of £1928, so solar panels can offer a significant saving.

The best way to guarantee long-lasting results is to use an experienced installer of solar panels in Gloucester. Some specialist installers of solar panels Gloucester and the surrounding region will even offer a 5 or 10-year warranty on your panels for total peace of mind.

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Solar panels are a great investment for your home and, with a little maintenance, can easily last for 25 years or more.