How long do solar panels last?

Solar panels are designed to last decades. According to the Energy Savings Trust, they have a lifespan of 25 years or more. Most panels come with a 25-year warranty from the manufacturer, guaranteeing the module’s performance level, usually a power output of 90% for the first ten years and 80% for the entire 25 years.

Which solar panels have the longest lifespan?

Monocrystalline solar panels are identified as having the longest lifespan, up to 40 years, due to their high-quality single silicon crystal construction, making them a preferred choice despite a higher initial cost.

How long does a solar inverter last?

However, the inverter doesn't have the same longevity as solar panels. The Energy Saving Trust website says: "if you have a solar PV inverter, you need to replace this after around 12 years. This costs around £800, depending on system size and the manufacturer.

How long do solar batteries last?

If you are considering adding solar batteries to your PV system to store the electricity generated to use at a later date, these also have a shorter shelf life of anything from 5-15 years.

How long does a solar system last?

Pumps on average will last around 10 years, and some electrical components such as controllers may need replacing. However, neither of these are prohibitively expensive. Check with your installer exactly what is covered by your warranty and what parts may need replacement during the overall lifespan of your solar system..

Do solar panels come with a warranty?

Solar panels usually come with two types of warranties: The product warranty covers defects in the solar panel itself and typically covers around 20-25 years, although some manufacturers offer longer warranties up to 30 years or beyond.