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Solar PV (photovoltaic) panels produce electricity from daylight, different from the less efficient, dated, solar thermal (water heating) technology.
Homeowners can also use your PV system to heat your hot water.
a) Solar panels allow light particles (photons) to knock electrons free from atoms inside the solar cells, generating a Direct Current (DC).
b) An inverter converts the Direct Current (DC) to an Alternating Current (AC) - your mains electricity.
c) The electricity is used in your house initially, and if not needed, is automatically exported to the national grid. You will also continue to buy electricity from your supplier, if you use more than your panels are generating. You are free to change energy provider at any time.
Please read the feed-in-tariff page to find out about the government subsidies for solar, or read about the different types of solar PV inverters here.
