Solar panel yield in Perth

Each kWp of solar panels in Perth, at the best angle of 42°, produces about 902 kWh of electricity a year – worth £304 at today's household electricity price.

Yield per kWp
902 kWh
per year
Value per kWp
£304
if used at home, at today's tariff
Versus the United Kingdom average
−10%
1,002 kWh
Solar rank in the United Kingdom
1,007 of 1,133

Monthly yield of 1 kWp

JanFebMarAprMayJunJulAugSeptOctNovDec
Long-term average monthly production (PVGIS), panels facing south at the optimal angle, 14 % system losses.
Show the data as a table
MonthkWh
Jan27
Feb46
Mar81
Apr110
May119
Jun110
Jul115
Aug100
Sept82
Oct56
Nov37
Dec20

A typical 5 kWp home system

A 5 kWp system in Perth would produce about 4,510 kWh a year – 180% of the 2,500 kWh our default home uses.

Payback

How fast a system pays for itself depends on its price, how much of the power you use yourself and the feed-in tariff. Try your own numbers: Solar payback calculator →

Cost of running a home in Perth →

Source: PVGIS © European Union, 2001–2026.

Updated: