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Photovoltaic Systems

‘Photovoltaic' means electricity from light. In essence, photovoltaic systems use daylight (not necessarily direct sunlight) to convert solar radiation into electricity. The light which shines on the PV cells creates an electric field causing electricity to flow. The greater the intensity of the light, the greater the flow of electricity.

Photovoltaic systems use semiconductor materials to convert solar energy into electricity. This technology is widely used in consumer products such as solar calculators, watches or garden lights, and is increasingly used as a cost-effective solution in Ireland for stand-alone applications where a grid connection is too expensive (e.g. parking meters, caravans or remote holiday homes). Solar PV can also be used to provide free solar electricity to houses as well as for commercial and industrial applications. Recent developments in regulation mean that it will be possible to connect solar PV systems to the grid, opening up a new era for solar PV in Ireland.

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