Solar Panels in Dunfanaghy, Co. Donegal
Dunfanaghy is a village in Co. Donegal with a population of around 439. Located 29.5 km from Letterkenny, the area has a solar yield of 719 kWh/kWp. A 4kWp solar system generates approximately 2,876 kWh annually, saving an estimated €863+ per year. The SEAI grant of up to €1,800 and 0% VAT bring the net cost to €3,200–€6,200.
How productive are solar panels in Dunfanaghy?
| Solar Metric | Value |
|---|---|
| Solar Yield | 719 kWh/kWp |
| 4kWp System Output | 2,876 kWh/yr |
| Sunshine Hours | 1,175 hrs/yr |
| Est. Annual Savings | €863+ |
| Household Coverage | 68% of avg use |
Solar yield calculated for Dunfanaghy (55.18°N, 7.97°W) using PVGIS satellite data. Actual output varies by roof orientation, shading, and system specification.
Monthly Solar Output in Dunfanaghy
kWh per month (4kWp system)
Dunfanaghy at a Glance
| Area Data | Value |
|---|---|
| Population | 439 (Census 2022) |
| Households | 175 |
| Houses/Bungalows | 93% of dwellings |
| Owner-Occupied | 64% |
| Built Before 2000 | 57% |
| Avg. Rooms per Home | 5.6 |
| Elevation | 1 metres |
| Eircode Area | F92 |
| Dist. to Letterkenny | 29.5 km |
| Location | Inland |
| Coordinates | 55.1834°N, 7.9718°W |
Population and housing data: CSO Census 2022. Weather data: Met Eireann (Malin Head, 45.2 km).
Weather & Climate in Dunfanaghy
Weather data from Met Eireann (Malin Head station, 45.2 km from Dunfanaghy). 5-year average (2019–2023).
Solar Suitability in Dunfanaghy
93% of dwellings in Dunfanaghy are houses or bungalows, making the area highly suited for rooftop solar panels. 64% of homes are owner-occupied — homeowners can apply directly for the SEAI grant. 57% of homes were built before 2000, qualifying for the SEAI solar grant (homes built and occupied before 2021 are eligible).
About Solar Energy in Dunfanaghy
Dunfanaghy is a village in Co. Donegal with a population of 439 (CSO Census 2022). It is accessible from Letterkenny (29.5 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Dunfanaghy is F92. You'll need your full Eircode when applying for the SEAI grant. According to the 2022 Census, Dunfanaghy has 175 households, of which 93% are houses or bungalows — well suited for rooftop solar panels. Based on satellite data for this location, a 4kWp solar system generates approximately 2,876 kWh per year (719 kWh/kWp). The area has moderate rainfall (1191 mm/yr), with a mean temperature of 10.3°C.
Benefits of Solar Panels in Dunfanaghy
Save on Electricity Bills
Homeowners in Dunfanaghy can save an estimated €863+ per year on electricity with a 4kWp solar system generating 3,268 kWh annually.
SEAI Grant: Up to €1,800
Get up to €1,800 back from SEAI. The grant is available for homes built before 2021. No means testing. Apply online at seai.ie.
0% VAT on Installation
Residential solar installations are zero-rated for VAT since May 2023, saving approximately €1,000 on a typical system.
Earn from Excess Energy
Sell surplus electricity at 15-25c/kWh through the Microgeneration Support Scheme. The first €400/year is tax-free.
Increase Property Value
Solar panels improve your BER rating and can add up to 4% to your property value.
25+ Year Lifespan
A system installed in Dunfanaghy today will generate clean electricity for 25-30 years with minimal maintenance.
Government Support for Solar in Dunfanaghy
Homeowners in Dunfanaghy, Co. Donegal can apply for the SEAI solar PV grant. The maximum grant of €1,800 is confirmed for 2026.
| System Size | Grant Amount | Typical Net Cost |
|---|---|---|
| 2 kWp | €1,400 | €2,000 - €3,000 |
| 3 kWp | €1,600 | €2,500 - €4,000 |
| 4 kWp+ | €1,800 (max) | €3,200 - €6,200 |
Solar Installers in Donegal
SEAI registered solar panel installers covering Donegal.
Top Rated Solar Installers Near Dunfanaghy
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Solar coverage near Dunfanaghy
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What Dunfanaghy homeowners ask about solar
How much do solar panels cost in Dunfanaghy?
A 4kWp system in Dunfanaghy typically costs €5,000-€8,000 before grants. After the €1,800 SEAI grant and 0% VAT, the net cost is €3,200-€6,200. The system generates approximately 3,268 kWh/year, paying for itself in 4-6 years.
What roof direction is best for solar panels in Dunfanaghy?
South-facing roofs produce the most electricity (100% of potential). South-east and south-west roofs produce around 95%. East or west-facing roofs still produce 80-85%. North-facing roofs are generally not recommended for solar panels in Ireland.
How much electricity will solar panels generate in Dunfanaghy?
Based on Donegal county data, a 4kWp system in Dunfanaghy generates approximately 3,268 kWh per year, covering 68% of average household use (4,200 kWh/year). Donegal receives around 1,175 sunshine hours annually.
Do solar panels increase property value in Dunfanaghy?
Yes. Solar panels improve your BER rating and can increase property value by up to 4%. Buyers increasingly look for energy-efficient homes with lower running costs. A solar system in Dunfanaghy is a long-term investment in your property.
How long does solar panel installation take?
A typical residential installation takes 1-2 days. This includes scaffolding, mounting the panels, wiring, inverter installation, and connecting to the grid. Your installer handles the ESB Networks notification (NC6 form).
What size solar system do I need for my home in Dunfanaghy?
Most homes in Dunfanaghy benefit from a 3-6 kWp system. A 4kWp system (10 panels) covers 68% of average household electricity use. Your installer will assess your roof space, orientation, and energy usage to recommend the optimal size.
Can I add a battery to my solar system?
Yes. A home battery (typically 5-10 kWh) stores excess solar electricity for evening use. This increases your self-consumption from around 30-40% to 60-80%. Batteries currently cost €3,000-€6,000 and are not yet covered by the SEAI grant.
Sources
- SEAI — Solar Electricity Grant
- SEAI — Find a Registered Professional
- Revenue — 0% VAT on Solar Panels
- PVGIS — EU Joint Research Centre (solar irradiance data)
- CSO — Census of Population 2022
- Met Eireann — Climate Data
Last updated: March 2026
Fact-checked by John Rooney, Solar Energy Editor. Editorial policy
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