Photovoltaic Solar Panels

Solar panel (PV) electricity systems, also known as solar photovoltaics (PV), capture the sun’s energy using photovoltaic cells. These cells don’t need direct sunlight to work – they can still generate some electricity on a cloudy day. The cells convert the sunlight into electricity, which can be used to run household appliances and lighting.

The benefits of PV panels include:

Cut your electricity bills: sunlight is free, so once you’ve paid for the initial installation your electricity costs will be reduced.

Cut your carbon footprint: solar electricity is green, renewables energy and doesn’t release any harmful carbon dioxide] or other pollutants. A typical home solar PV system could save over a tonne of carbon dioxide per year – that’s more than 30 tonnes over its lifetime.

The savings

A 4kWp system can generate around 3,700 kilowatt hours of electricity a year – roughly equivalent to a typical household’s electricity needs. It will save nearly two tonnes of carbon dioxide every year!

How do PV panels work?

PV cells are made from layers of semi-conducting material, usually silicon. When light shines on the cell it creates an electric field across the layers. The stronger the sunshine, the more electricity is produced. Groups of cells are mounted together in panels or modules that can be mounted on your roof.

The power of a PV cell is measured in kilowatts peak (kWp). That’s the rate at which it generates energy at peak performance in full direct sunlight during the summer. PV cells come in a variety of shapes and sizes. Most PV systems are made up of panels that fit on top of an existing roof, but you can also fit solar tiles.

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About Us

McEvoy Electrical has been trading for 30 years, and in that time have built a solid reputation for delivering a reliable, competent and competitive contracting and maintenance service to a broad range of clients in the Industrial, Commercial and Domestic markets.

Employing a dedicated team of professional and fully trained electricians using the latest technology in all areas of the business from the design and specification stages…

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  • McEvoy Electrical Services Ltd
  • Unit 42, Block 503
  • Greenogue Industrial Estate
  • Rathcoole
  • Co. Dublin

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