Solar & battery
What is solar PV?
Solar PV — short for photovoltaic — is the type of solar that turns sunlight directly into electricity. When sunlight hits a photovoltaic panel, it knocks electrons loose in silicon cells, and those electrons flow as electricity. A typical UK 4 kW system has around 10 panels, generates 3,000–4,000 kWh per year, and costs £5,000–£10,500 installed (battery optional).
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