Solar Installers Wandsworth

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Frequently Asked Questions About Solar Installers

Have questions about going solar? Find answers to common inquiries about solar panel installation and connecting with reputable Solar Installers in UK.

What are the different types of solar panels?

The most common types of solar panels are:
  • Monocrystalline: Made from a single silicon crystal, known for high efficiency (typically 18-22%) and sleek black appearance.
  • Polycrystalline: Made from multiple silicon crystals, slightly less efficient (15-17%) but often more affordable than monocrystalline.
  • Thin-film: Made from thin layers of photovoltaic material, lower efficiency (8-12%) but can be flexible and lightweight.
The best type of panel for your project will depend on your budget, roof space, and desired energy output.

Do I need to replace my roof before installing solar panels?

It's not always necessary to replace your roof before installing solar panels. If your roof is in good condition and has several years of life left, solar panels can be installed on it. However, if your roof is nearing the end of its lifespan or shows signs of damage, it's advisable to replace it before the solar installation to avoid the cost and hassle of removing and reinstalling panels later. A solar installer can help assess your roof's condition and advise on whether a roof replacement is necessary.

How do solar panels work?

Solar panels work by converting sunlight into electricity using photovoltaic cells made of silicon. When sunlight hits a solar cell, it creates an electric current. Multiple cells are wired together to form a panel, and multiple panels can be combined to create a solar array.

What is the lifespan of solar panels?

Most solar panels have a lifespan of 25-30 years or more. Even after 25 years, panels will still produce electricity, but their efficiency may gradually decline over time. Reputable manufacturers offer warranties that cover defects in materials and workmanship for a significant portion of the panel's lifespan.

What are the different types of solar panels?

The most common types of solar panels are:
  • Monocrystalline: Made from a single silicon crystal, known for high efficiency (typically 18-22%) and sleek black appearance.
  • Polycrystalline: Made from multiple silicon crystals, slightly less efficient (15-17%) but often more affordable than monocrystalline.
  • Thin-film: Made from thin layers of photovoltaic material, lower efficiency (8-12%) but can be flexible and lightweight.
The best type of panel for your project will depend on your budget, roof space, and desired energy output.

Do I need to replace my roof before installing solar panels?

It's not always necessary to replace your roof before installing solar panels. If your roof is in good condition and has several years of life left, solar panels can be installed on it. However, if your roof is nearing the end of its lifespan or shows signs of damage, it's advisable to replace it before the solar installation to avoid the cost and hassle of removing and reinstalling panels later. A solar installer can help assess your roof's condition and advise on whether a roof replacement is necessary.

How do solar panels work?

Solar panels work by converting sunlight into electricity using photovoltaic cells made of silicon. When sunlight hits a solar cell, it creates an electric current. Multiple cells are wired together to form a panel, and multiple panels can be combined to create a solar array.

What is the lifespan of solar panels?

Most solar panels have a lifespan of 25-30 years or more. Even after 25 years, panels will still produce electricity, but their efficiency may gradually decline over time. Reputable manufacturers offer warranties that cover defects in materials and workmanship for a significant portion of the panel's lifespan.