---
title: What can affect the performance of my solar array ?
description: Shading - vegetation can grow and compromise generation Debris – twigs, leaves, lichen, moss, bird mess Environmental conditions such as sea spray, pollution or agriculture can all apply a dirty film
---

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# What can affect the performance of my solar array ?

Shading - vegetation can grow and compromise generation

Debris – twigs, leaves, lichen, moss, bird mess

Environmental conditions such as sea spray, pollution or agriculture can all apply a dirty film to panels

Connections & cables – connectors can suffer from water ingress and cables in some sites are vulnerable to damage by vermin or birds.

Component failure – Solar panels very rarely fail (almost never) however inverters, like all white goods, have a finite working life. Inverter failure is the single most common and impactful issue a solar array can experience.

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