Solar panel yield in Letterkenny

Each kWp of solar panels in Letterkenny, at the best angle of 39°, produces about 845 kWh of electricity a year – worth €327 at today's household electricity price.

Yield per kWp
845 kWh
per year
Value per kWp
€327
if used at home, at today's tariff
Versus Ireland average
−13%
966 kWh
Solar rank in Ireland
63 of 67

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
Jan25
Feb44
Mar75
Apr104
May115
Jun106
Jul101
Aug95
Sept73
Oct54
Nov33
Dec20

A typical 5 kWp home system

A 5 kWp system in Letterkenny would produce about 4,226 kWh a year – 169% 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 Letterkenny →

Source: PVGIS © European Union, 2001–2026.

Updated: