HOW DOES
PV WORK?

Solar energy has come a long way since the early days of huge and inefficient panels. Modern advances in photovoltaic energy systems that are compact enough to be installed for domestic use have revolutionised solar energy.

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Now more domestic energy users are
realising that a 20-year investment in solar energy
represents a huge return on their original investment…

and cheap, clean and green energy supplies too. Now, thanks to the development of Feed In Tariff systems, domestic solar energy users can even make money from their investment by selling any excess energy their systems generate back to the energy companies. So how does this remarkable system work?

The Photovoltaic Effect

Layers of silicon, phosphorous and boron are arranged into cells in PV solar panels. When sunlight strikes these cells, the panels are designed to absorb the photons that are present. The photons excite the electrons within the materials in the solar cells to such a point that they are released from their atomic orbits and create an electrical charge.

The phosphorous electrons create a negative charge, while the boron electrons generate a positive charge. The combined result is a directional current, otherwise known as DC electricity.

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In Your Home

Once your PV solar panels have generated this DC charge, it has to be converted into an AC or Alternating Current supply to be fit for use on domestic appliances. To do this, inverters using electromagnetic switches constantly ‘flip’ the DC charge backwards and forwards to produce an AC current. It can then be safely routed through to your domestic supply sockets, allowing you to plug in your normal appliances safely.

At WRS, we supply and install an extensive range of solar roof panels. Our fully qualified PV installers are happy to fit anything from a single solar panel to a full photovoltaic array. Contact us today on 0800 211 8090 for details of how we can help you take advantage of clean, renewable solar energy.

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