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How secure is solar energy?

Two hands shading sunlight

Sunlight – the 'fuel' that solar panels use to generate electricity – can be considered a secure fuel source because it does not need to be imported, and so is not subject to the price fluctuations of international markets or geopolitical disruptions to supply. It is possible for the supply of sunlight to the UK's photovoltaic panels to be disrupted, but this is due to its inherent intermittency as an energy source, which is a reliability issue.

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