Maintenance requirements of a Solar Panel system.

There are also certain maintenance costs of a solar PV System which must be considered when deciding whether to invest in photovoltaic technology. However, since solar panels have few moving parts, the maintenance costs for hardware will remain relatively low.

 The one component that will probably need changing over the 25-year lifespan of the panels is the inverter (which converts the DC output of a photovoltaic panel into the AC required by local and commercial power grids), which costs an average of £1000.

Solar panels are exposed to dirt, debris and pollution. For maximum efficiency, most manufacturers recommend that your PV array be cleaned about every six months. This can be done either by you or by specialist window cleaning companies which offer this service from around £25, depending on the accessibility and condition of the panels.

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