How much does a warehouse roof in Caerleon generate?

The model gives 905 kWh for every kWp installed here, so 500 kWp comes out at about 453,000 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 Caerleon

Sheds around Caerleon tend to have more roof than the business has any other use for. 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.

905 kWh per kWp a year at this latitude, so a 500 kWp array models at about 453,000 kWh. Source: EU PVGIS v5.2, SARAH3, 10 degree pitch, 14 percent system loss.

Book a roof survey in Caerleon

Drawing Caerleon unit

Roof 96 x 62 m

Array 500 kWp

Yield 453,000 kWh/yr

Scale 1:500 / Rev A / Newport

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

Caerleon / Newport

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 Newport.

Distribution centre solar across Newport

What a roof in Caerleon actually generates

Modelled irradiation at this latitude is 1162 kWh per square metre a year in the plane of a shallow-pitched roof, which works out at 905 kWh for every kWp installed (EU PVGIS v5.2, SARAH3, 10 degree pitch, 14 percent system loss). That sits within a few percent of the mean across the towns we cover, so the case rests on your consumption pattern rather than on the weather.

FIG. 1 What a Caerleon 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 453,000 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	24	12,000
Feb	39	19,500
Mar	73	36,500
Apr	105	52,500
May	124	62,000
Jun	127	63,500
Jul	126	63,000
Aug	105	52,500
Sep	83	41,500
Oct	50	25,000
Nov	29	14,500
Dec	20	10,000

Source: EU PVGIS v5.2

FIG. 2 Caerleon against the rest of Newport

Maindee910
Caerleon905
Cwmbrân903
Pontypool887

Caerleon ranks 2 of 4 towns we cover in Newport on modelled yield, against a national mean of 886 kWh per kWp. The county runs from 887 to 910, a spread of 23 kWh per kWp. Within Newport that difference is small enough to ignore: where the building sits is not what decides this scheme, your consumption pattern is.

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

Book the survey

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 Caerleon

How much does a warehouse roof in Caerleon generate?: The model gives 905 kWh for every kWp installed here, so 500 kWp comes out at about 453,000 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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