Photovoltaics
PV cells are suitable for any building with a southeast to southwest facing roof with no over shadowing.
PV systems use cells to convert solar radiation into electricity. A PV array fitted to a building can either be used to charge batteries or connect to the grid. PV cells are suitable for any building with a southeast to southwest facing roof with no over shadowing.
Solar Photovoltaics - Specifications |
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Type of System
Produces d.c. electricity - so to connect to the grid or run a.c. appliances will require an inverter. |
Typical system1.5kWp which will meet 1/3 of domestic household electricity requirement (lighting and appliances). Will need a roof area of 12-15m2. |
System CostsTypically £6- £7/Wp (approx. £8,000). |
Energy Savings1,200kWh/yr for 1.5kWp system |
Development issuesSpeak to planning authority for permission. Should be ok if not a listed building or in conservation area. If shared roof (like tenement flat) then planning permission required). Building warrant will be required. |
More information |

