Solar Photovoltaic (PV) panels are designed to absorb the sun’s energy and then use that energy to power your home or office building. They use a sophisticated structure of silicon wafers which react when light photons hit them and become chemically unstable. This reaction releases electrons in one direction and protons in the opposite direction which eventually leads to an electrical current that can be then fed into domestic or commercial uses. Solar PV panels are already used commonly in calculators and watches and now the larger panels are becoming very popular among people who are looking for alternative methods of powering their homes and office buildings. Several large organisations are big supporters of solar PV, including the National Grid that has been getting some of its power from solar photovoltaic panels.
Solar Photovoltaic and Planning Issues
Solar Photovoltaic panels can be installed into or on top of the roof or along an external wall of the property. Before buying a solar PV system, it is important to ensure that the user checks against the statutes of local area. In England, roof mounted solar PV cells as well as standalone cells can be installed into most homes, but there are certain criteria they must meet. Latest legislations allows for solar panels of up to 100mm in depth to be laid upon a tilted roof without the need for a planning permission. In Northern Ireland, Scotland and Wales, the local authorities are still working on the legislation regarding solar panels, so the local planning authorities must be consulted before any cells can be installed.
Why Use Solar Photovoltaics?
There are several good reasons to use solar PV cells. One important benefit is the money saved on electrical bills. Another important benefit is the reduction in carbon emissions thanks to using clean energy. Solar photovoltaic cells cut around 1.2 tonnes of carbon dioxide emissions every year. Since the user generates the electricity directly from the sun, they are not dependent on the national grid, making them less prone to power cuts. Although solar power is effective in its own right, solar panels are highly appropriate for remote locations where the grid has no coverage (such as remote farms or research facilities).
How to Install Solar Photovoltaic
It is not recommended to try and install solar PV panels as a DIY installation. It is important to hire a professional installation crew that has been certified by the Low Carbon Buildings Programme. Solar PV cells are heavy and need to be attached to a specifically designed support system. The support structure is constructed before the panels can be attached and is mounted on the roof. Professional solar PV installers will also know what the local safety and electrical codes are and will make sure that the solar PV system complies with all the prevailing local regulations.
Finding energy generating technologies that do not depend on fossil fuels is no doubt high on everybody’s mind these days. Of the alternative energy options that are available (nuclear, wind, hydrogen, wave, solar), solar is thought to be one of the most practical and reliable solutions, with a proven track record and many installations around the world.
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