Solar Panels in Gweedore, Co. Donegal
Gweedore is a village in Co. Donegal with a population of around 400. Located 33.4 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.
What is the solar potential in Gweedore?
| 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.
Gweedore at a Glance
| Area Data | Value |
|---|---|
| Population | 400 (Census 2022) |
| Elevation | 65 metres |
| Eircode Area | F92 |
| Dist. to Letterkenny | 33.4 km |
| Location | Inland |
| Coordinates | 55.0501°N, 8.2322°W |
Population and housing data: CSO Census 2022. Weather data: Met Eireann (Finner, 61.8 km).
Weather & Climate in Gweedore
Weather data from Met Eireann (Finner station, 61.8 km from Gweedore). 5-year average (2019–2023).
Solar Power in Gweedore, Co. Donegal
Gweedore is a village in Co. Donegal with a population of 400 (CSO Census 2022). It is accessible from Letterkenny (33.4 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Gweedore is F92. You'll need your full Eircode when applying for the SEAI grant. 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 higher rainfall (1246 mm/yr), with a mean temperature of 10.4°C.
Advantages of Solar Energy for Gweedore Homeowners
Save on Electricity Bills
Homeowners in Gweedore can save an estimated €980+ per year on electricity with a 4kWp solar system generating 3,268 kWh annually.
Energy Independence
For homes in rural Gweedore, solar panels provide energy security and reduced reliance on the grid. Combined with a battery, you can store power for evening use.
25+ Year Lifespan
A system installed in Gweedore today will generate clean electricity for 25-30 years with minimal maintenance.
Solar grants available in Gweedore
Homeowners in Gweedore, 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 Gweedore, Co. Donegal. Compare installers in Donegal or read verified reviews.
Solar Installers Serving Gweedore
SEAI registered solar panel installers covering Gweedore, Co. Donegal.
Greenway Solar and Robotics Ltd
carlow, cavan, clare +23 more
Solar Home Ireland Ltd
carlow, cavan, clare +23 more
Lumen Engineering Limited T/A Lumen Solar
carlow, cavan, clare +23 more
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Your solar questions for Gweedore
How much do solar panels cost in Gweedore?
A 4.4 kWp system in Gweedore 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.
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).
How does shading affect solar panels in Gweedore?
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.
What is a BER assessment and do I need one?
A Building Energy Rating (BER) assessment is required after installing solar panels to claim the SEAI grant. A BER assessor visits your home and rates its energy efficiency from A1 to G. Solar panels typically improve your BER by 1-2 grades. The assessment costs around €150-€200.
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.
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.
What size solar system do I need for my home in Gweedore?
Most homes in Gweedore 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 Gweedore?
Fully off-grid setups are rare in Gweedore. 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
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