Solar Panels in Carrigans, Co. Donegal
Carrigans is a village in Co. Donegal with a population of around 389. Located 19.5 km from Letterkenny, the area has a solar yield of 705 kWh/kWp. A 4kWp solar system generates approximately 2,820 kWh annually, saving an estimated €846+ per year. The SEAI grant of up to €1,800 and 0% VAT bring the net cost to €3,200–€6,200.
Carrigans solar yield and performance data
| Solar Metric | Value |
|---|---|
| Solar Yield | 705 kWh/kWp |
| 4kWp System Output | 2,820 kWh/yr |
| Sunshine Hours | 1,175 hrs/yr |
| Est. Annual Savings | €846+ |
| Household Coverage | 67% of avg use |
Solar yield calculated for Carrigans (54.95°N, 7.43°W) using PVGIS satellite data. Actual output varies by roof orientation, shading, and system specification.
Monthly Solar Output in Carrigans
kWh per month (4kWp system)
Carrigans at a Glance
| Area Data | Value |
|---|---|
| Population | 389 (Census 2022) |
| Households | 159 |
| Houses/Bungalows | 98% of dwellings |
| Owner-Occupied | 60% |
| Built Before 2000 | 45% |
| Avg. Rooms per Home | 5.5 |
| Elevation | 6 metres |
| Eircode Area | F93 |
| Dist. to Letterkenny | 19.5 km |
| Location | Inland |
| Coordinates | 54.9509°N, 7.4295°W |
Population and housing data: CSO Census 2022. Weather data: Met Eireann (Malin Head, 47.2 km).
Weather & Climate in Carrigans
Weather data from Met Eireann (Malin Head station, 47.2 km from Carrigans). 5-year average (2019–2023).
Solar Suitability in Carrigans
98% of dwellings in Carrigans are houses or bungalows, making the area highly suited for rooftop solar panels. 60% of homes are owner-occupied — homeowners can apply directly for the SEAI grant.
Going Solar in Carrigans
Carrigans is a village in Co. Donegal with a population of 389 (CSO Census 2022). It is a short drive from Letterkenny (19.5 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Carrigans is F93. You'll need your full Eircode when applying for the SEAI grant. According to the 2022 Census, Carrigans has 159 households, of which 98% are houses or bungalows — well suited for rooftop solar panels. Based on satellite data for this location, a 4kWp solar system generates approximately 2,820 kWh per year (705 kWh/kWp). The area has moderate rainfall (1191 mm/yr), with a mean temperature of 10.3°C.
Solar panel benefits in Carrigans, Donegal
Save on Electricity Bills
Homeowners in Carrigans can save an estimated €846+ 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 Carrigans today will generate clean electricity for 25-30 years with minimal maintenance.
Carrigans SEAI solar PV grant details
Homeowners in Carrigans, 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 Carrigans
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Solar Panel FAQs for Carrigans
How much do solar panels cost in Carrigans?
A 4kWp system in Carrigans 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.
Do I need planning permission for solar panels?
Most residential solar installations are exempt from planning permission, provided panels don't project more than 15cm from the roof and don't cover more than 50% of total roof area.
How does shading affect solar panels in Carrigans?
Shading from trees, chimneys, or nearby buildings can reduce output significantly. Modern systems use optimisers or microinverters so that shading on one panel doesn't drag down the whole system. Your installer will assess shading during the site survey.
How much electricity will solar panels generate in Carrigans?
Based on Donegal county data, a 4kWp system in Carrigans generates approximately 3,268 kWh per year, covering 67% of average household use (4,200 kWh/year). Donegal receives around 1,175 sunshine hours annually.
Do solar panels work in winter in Donegal?
Yes, solar panels generate electricity all year round. While output is lower in winter, Donegal still receives usable daylight hours even in December. Annual generation figures (3,268 kWh for a 4kWp system) already account for seasonal variation.
What size solar system do I need for my home in Carrigans?
Most homes in Carrigans benefit from a 3-6 kWp system. A 4kWp system (10 panels) covers 67% of average household electricity use. Your installer will assess your roof space, orientation, and energy usage to recommend the optimal size.
Do I need a smart meter for solar panels?
You need a smart meter to sell surplus electricity back to the grid. ESB Networks installs smart meters for free. Your installer submits the NC6 form to ESB Networks after installation, which triggers the meter upgrade if needed.
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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