Solar Panels in Kilmacrennan, Co. Donegal
Kilmacrennan is a small town in Co. Donegal with a population of around 888. Located 8.8 km from Letterkenny, the area has a solar yield of 817 kWh/kWp. A 4kWp solar system generates approximately 3,268 kWh annually, saving an estimated €980+ per year. The SEAI grant of up to €1,800 and 0% VAT bring the net cost to €6,500–€7,200.
How productive are solar panels in Kilmacrennan?
| Solar Metric | Value |
|---|---|
| Solar Yield | 817 kWh/kWp |
| 4kWp System Output | 3,268 kWh/yr |
| Sunshine Hours | 1,175 hrs/yr |
| Est. Annual Savings | €980+ |
| Household Coverage | 78% of avg use |
Based on county-level solar data for Donegal. Actual output varies by roof orientation, shading, and system specification.
Kilmacrennan at a Glance
| Area Data | Value |
|---|---|
| Population | 888 (Census 2022) |
| Households | 338 |
| Houses/Bungalows | 91% of dwellings |
| Owner-Occupied | 45% |
| Built Before 2000 | 52% |
| Avg. Rooms per Home | 5.1 |
| Elevation | 36 metres |
| Eircode Area | F92 |
| Dist. to Letterkenny | 8.8 km |
| Location | Inland |
| Coordinates | 55.0305°N, 7.7792°W |
Population and housing data: CSO Census 2022. Weather data: Met Eireann (Malin Head, 47.1 km).
Weather & Climate in Kilmacrennan
Weather data from Met Eireann (Malin Head station, 47.1 km from Kilmacrennan). 5-year average (2019–2023).
Solar Suitability in Kilmacrennan
91% of dwellings in Kilmacrennan are houses or bungalows, making the area highly suited for rooftop solar panels. 45% of homes are owner-occupied — homeowners can apply directly for the SEAI grant. 52% of homes were built before 2000, qualifying for the SEAI solar grant (homes built and occupied before 2021 are eligible).
About Solar Energy in Kilmacrennan
Kilmacrennan is a small town in Co. Donegal with a population of 888 (CSO Census 2022). It is conveniently close to Letterkenny (8.8 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Kilmacrennan is F92. You'll need your full Eircode when applying for the SEAI grant. According to the 2022 Census, Kilmacrennan has 338 households, of which 91% are houses or bungalows — well suited for rooftop solar panels. The area receives around 1,175 sunshine hours annually, allowing a 4kWp solar system to generate approximately 3,268 kWh per year. The area has moderate rainfall (1191 mm/yr), with a mean temperature of 10.3°C.
Benefits of Solar Panels in Kilmacrennan
Save on Electricity Bills
Homeowners in Kilmacrennan can save an estimated €980+ per year on electricity with a 4kWp solar system generating 3,268 kWh annually.
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 Kilmacrennan today will generate clean electricity for 25-30 years with minimal maintenance.
Government Support for Solar in Kilmacrennan
Homeowners in Kilmacrennan, Co. Donegal can claim up to €1,800 from the SEAI solar PV grant (2026). Combined with 0% VAT, the net cost of a 4kWp system is typically€6,500–€7,200.
279 SEAI-registered solar installers serve Kilmacrennan, Co. Donegal. Compare installers in Donegal or read verified reviews.
Solar Installers Serving Kilmacrennan
SEAI registered solar panel installers covering Kilmacrennan, Co. Donegal.
DR Solar and Electrical Services Ltd
carlow, cavan, clare +23 more
Nualaiochtai Miotal Teoranta TA Solar Structures
carlow, cavan, clare +23 more
Energysmart Renewables Limited
carlow, cavan, clare +23 more
Top Rated Solar Installers Near Kilmacrennan
Read verified reviews from solar panel installers serving Kilmacrennan, Co. Donegal.
Solar coverage near Kilmacrennan
Also serving nearby areas in Donegal:
Find Solar Installers in Donegal
Browse 279 SEAI-registered installers covering Kilmacrennan and all of Donegal.
Solar Panel Costs Ireland
Full cost breakdown by system size, what affects price, and ROI timeline.
Best Solar Panels Ireland
Compare solar panels, inverters, and batteries used by Irish installers.
What Kilmacrennan homeowners ask about solar
How much do solar panels cost in Kilmacrennan?
A 4.4 kWp system in Kilmacrennan typically costs €8,300–€9,000 before grants. After the €1,800 SEAI grant and 0% VAT, the net cost is €6,500–€7,200. The system generates approximately 3,268 kWh/year, paying for itself in 4-6 years.
Do solar panels increase property value in Kilmacrennan?
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 Kilmacrennan is a long-term investment in your property.
What is the difference between solar PV and solar thermal?
Solar PV panels generate electricity from sunlight. Solar thermal panels heat water directly. For most Irish homes, solar PV is the better investment: it's more versatile, qualifies for the SEAI grant, and you can sell excess electricity. Solar thermal only heats water.
How long do solar panels last?
Modern solar panels are warrantied for 25-30 years and typically last even longer. Panel efficiency degrades by about 0.5% per year, so after 25 years, your panels will still produce around 87% of their original output. Inverters typically last 10-15 years and may need one replacement.
Can I sell excess solar electricity?
Yes. Under Ireland's Microgeneration Support Scheme, you sell surplus electricity at 15-25c/kWh. You need a smart meter (ESB Networks installs free). The first €400/year of export income is tax-free.
How much electricity will solar panels generate in Kilmacrennan?
Based on Donegal county data, a 4kWp system in Kilmacrennan generates approximately 3,268 kWh per year, covering 78% of average household use (4,200 kWh/year). Donegal receives around 1,175 sunshine hours annually.
What size solar system do I need for my home in Kilmacrennan?
Most homes in Kilmacrennan benefit from a 3-6 kWp system. A 4kWp system (10 panels) covers 78% of average household electricity use. Your installer will assess your roof space, orientation, and energy usage to recommend the optimal size.
Can you go off-grid with solar in Kilmacrennan?
Fully off-grid setups are rare in Kilmacrennan. Most homes stay grid-connected and sell surplus back through the Microgeneration Support Scheme. A hybrid inverter with 10-20 kWh of battery storage covers evenings and power cuts, which is what most people searching "off-grid" actually want. A true off-grid system needs a much larger array and battery bank, and you lose the grant-supported export income.
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: September 2026
Fact-checked by John Rooney, Solar Energy Editor. Editorial policy
Get a Free Solar Quote in Kilmacrennan
Connect with SEAI-registered installers covering Kilmacrennan, Co. Donegal.