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Energy & Insulation

Solar PV Panels

Photovoltaic (PV) panels convert sunlight into electricity. Installing solar PV on an extension roof (facing south, at 30–40 degrees pitch) can generate a significant proportion of a home's electricity. Panels are typically 400–450W each; a 4 kWp system requires around 10 panels. Solar PV installation is typically permitted development on dwellings. Excess electricity can be sold back to the grid via the Smart Export Guarantee (SEG).

Related terms

EPC (Energy Performance Certificate)Permitted Development
Soil Investigation / Ground SurveySpalling

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