Eircode F92 · Donegal · pop. 22,700

Solar in Letterkenny.
Tailored for the F92 build stock.

Letterkenny (Donegal) is dominated by Letterkenny 1990s-2010s suburban + town centre mixed + rural detached, mostly built 1990-2015. We've adapted our standard install kit specifically for this stock — see below.

€1,375
Avg F92 saving/yr
8.3
Year payback
5.5 kWp
Typical system here
€2,100
SEAI grant filed
All Donegal →
F92 install profile
Dominant housingLetterkenny 1990s-2010s suburban
Build era1990-2015
Roof materialConcrete tile + natural slate (town centre) + tin on farm sheds
Avg roof area62 m²
Typical system5.5 kWp · 14 panels
Annual generation4,373 kWh
Net cost (after grant)€11,375

Figures specific to typical F92 homes. Your exact numbers vary with roof orientation, shading and consumption — measured during the free survey.

F92 housing stock

The Letterkenny
solar reality.

We've installed in Letterkenny (Donegal) dozens of times. The letterkenny 1990s-2010s suburban stock dominant here has its own quirks — and our standard F92 install kit is built specifically for it.

Dominant housing type

Letterkenny 1990s-2010s suburban + town centre mixed + rural detached.

Built mostly 1990-2015. Estimated 22,700 residents across the routing key.

Roof reality

Concrete tile + natural slate (town centre) + tin on farm sheds dominates F92.

Average usable south-facing roof area: 62 m². Fits up to 31 panels at 2 m² each — but we typically size to 14 panels for the available area and household consumption.

Microclimate

North-west Atlantic — highest rainfall + wind in Republic; 935 kWh/m²/yr (lowest).

Solar irradiation (PVGIS data for Letterkenny): 935 kWh/m²/yr. F92 is below average but well within viability range.

Our F92 approach

Wind class 5 — heavy-duty mounting standard. Stainless hardware. Battery prioritised for high winter demand.

F92 coverage

Where we install
in Letterkenny.

F92 covers a wide area around LYIT campus. Below are the main districts and landmarks we operate from. If you live near any of these, we install in your area — typically within 4 weeks of quote acceptance.

LYIT campus
Letterkenny Cathedral
Glenveagh National Park (nearby)
Lough Swilly
Donegal town (90km)
Typical F92 system

5.5 kWp · 14 panels
for Letterkenny homes.

Based on 1990-2015 stock (62 m² avg roof), letterkenny 1990s-2010s suburban construction, and typical household consumption in Letterkenny, this is our default F92 install — adjusted up or down by ±25% based on your actual survey.

System size5.5 kWp
Panel count14 × 400 W
InverterSolaX 6 kW hybrid
MountingSlate-lift hooks + EPDM flash
Annual generation4,373 kWh
Gross cost€13,475
SEAI grant−€2,100
Net cost€11,375

What's different about F92

  • Roof: Concrete tile dominant — we have specific hardware for it
  • Microclimate: North-west Atlantic — highest rainfall + wind in Republic
  • Build era: 1990-2015 stock = fully SEAI grant eligible
  • System sweet spot: 5.5 kWp based on local roof area + consumption mix
  • Local approach: Wind class 5 — heavy-duty mounting standard.
Ready for F92?

Free survey in Letterkenny.

Type your full Eircode (e.g. F92 XXXX) and we'll size the system specifically for your letterkenny 1990s-2010s suburban home. Quote by email within 1 working day.

F92 snapshot
Letterkenny
Donegal · Ulster
Population22,700
Typical install5.5 kWp
Net cost€11,375
Annual savings€1,375