Free mapPVGIS 5.3 (PVGIS-SARAH3)6 squares of about 5 km

Solar panel map of Crawley

A typical 4 kWp solar panel system, about ten panels, on a south-facing roof in Crawley would make about 4,150 kWh of electricity a year, against 4,080 kWh across England. Across its homes' postcodes it ranges from about 4,150 kWh to 4,240 kWh.

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Yearly output of a 4 kWp south-facing system
2,600 kWh4,800 kWh

Each square is about 5 km across and holds at least one home in Crawley, so a square on the boundary also appears on the next council's map. It is coloured by the yearly output of a 4 kWp system on a south-facing roof.

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Solar output in Crawley

  • 4,150 kWha year, typical for a 4 kWp south-facing system
  • 4,150 kWh to 4,240 kWhfrom the lower to the upper tenth of its homes' postcodes
  • 4,080 kWhtypical across England
  • 4,010 kWhtypical across the UK

Crawley ranks 88 of 361 UK councils for typical solar output (1 is the highest). See every council

How to read this map

  • It is an estimate for the area, not a quote. It doesn't allow for shading from hills, trees or nearby buildings, or for a roof's real size, pitch and direction.
  • The figure is for a 4 kWp system, about ten panels, on a 35° south-facing roof with 14% system losses, from satellite sunshine data.
  • Typical is the middle figure across the postcodes of every home in Crawley. A home in a sunnier or duller square can sit above or below it.
  • It is not a savings figure: that depends on how much of the electricity the home uses and its tariff.

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Sources

Solar yield from the Photovoltaic Geographical Information System (PVGIS), European Commission Joint Research Centre. PVGIS information is free to use, with this acknowledgement of the source. Source: Office for National Statistics licensed under the Open Government Licence v3.0. Contains OS data © Crown copyright and database right 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026.