How much does a warehouse roof in Brighton generate?

The model gives 1015 kWh for every kWp installed here, so 500 kWp comes out at about 508,000 kWh a year before any shading losses. You need roughly 1,485 sqm of clear roof to fit it. Source: EU PVGIS v5.2, SARAH3, 10 degree pitch, 14 percent system loss.

Solar panels for warehouses in Brighton

A Brighton warehouse roof sits idle through exactly the hours its occupier buys the most expensive electricity. What decides a scheme here is the state of the covering and the load path, which is why the survey starts on the roof rather than in a spreadsheet.

1015 kWh per kWp a year at this latitude, so a 500 kWp array models at about 508,000 kWh. Source: EU PVGIS v5.2, SARAH3, 10 degree pitch, 14 percent system loss.

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Drawing Brighton unit

Roof 96 x 62 m

Array 500 kWp

Yield 508,000 kWh/yr

Scale 1:500 / Rev A / Sussex

Illustrative layout for a unit of this size. Your own figures come from the roof survey.

Brighton / Sussex

Aerial view of an industrial estate where some warehouse roofs carry solar arrays and others are bare steel — Industrial stock of the kind we survey across Sussex.

Logistics solar PV across Sussex

What a roof in Brighton actually generates

Modelled irradiation at this latitude is 1293 kWh per square metre a year in the plane of a shallow-pitched roof, which works out at 1015 kWh for every kWp installed (EU PVGIS v5.2, SARAH3, 10 degree pitch, 14 percent system loss). That is around 15 percent above the mean across the towns we cover, which is as good as UK rooftop gets outside the south coast.

FIG. 1 What a Brighton roof makes, month by month

Jun produces 6.3 times what Dec does on the same roof. A 500 kWp array here models at about 508,000 kWh across the year, but it arrives unevenly, which is why we size against your summer daytime load and then look at whether storage is worth adding for the shoulder months.

Monthly figures as a table

Month	kWh per kWp	500 kWp array
Jan	27	13,500
Feb	42	21,000
Mar	81	40,500
Apr	119	59,500
May	135	67,500
Jun	145	72,500
Jul	145	72,500
Aug	120	60,000
Sep	91	45,500
Oct	55	27,500
Nov	31	15,500
Dec	23	11,500

Source: EU PVGIS v5.2

FIG. 2 Brighton against the rest of Sussex

Chichester1028
Lewes1028
Eastbourne1017
Brighton1015
Bognor Regis1000
Worthing999
Hastings989
Haywards Heath957
Horsham935

Brighton ranks 4 of 10 towns we cover in Sussex on modelled yield, against a national mean of 886 kWh per kWp. The county runs from 915 to 1028, a spread of 113 kWh per kWp. On a 500 kWp array that is about 56,500 kWh a year between the strongest and weakest town in the county.

Bars are zero based, so length is proportional to the figure. Where a county is flat, that is the finding: location is not the lever, consumption is. Source: EU PVGIS v5.2, modelled per town

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Send us the postcode

Tell us where the unit is and roughly how big the roof is. We come back with what it can carry, what it would generate against your consumption, and the three ways to pay for it.

Lenzie Consulting Ltd arranges the survey and passes your details to our MCS-certified installation partner so they can quote.

Questions about solar in Brighton

How much does a warehouse roof in Brighton generate?: The model gives 1015 kWh for every kWp installed here, so 500 kWp comes out at about 508,000 kWh a year before any shading losses. You need roughly 1,485 sqm of clear roof to fit it. Source: EU PVGIS v5.2, SARAH3, 10 degree pitch, 14 percent system loss.

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