Solar Panels in Lisfannon, Co. Donegal
Lisfannon is a village in Co. Donegal with a population of around 400. Located 23.6 km from Letterkenny, the area has a solar yield of 703 kWh/kWp. A 4kWp solar system generates approximately 2,812 kWh annually, saving an estimated €844+ per year. The SEAI grant of up to €1,800 and 0% VAT bring the net cost to €3,200–€6,200.
Lisfannon solar yield and performance data
| Solar Metric | Value |
|---|---|
| Solar Yield | 703 kWh/kWp |
| 4kWp System Output | 2,812 kWh/yr |
| Sunshine Hours | 1,175 hrs/yr |
| Est. Annual Savings | €844+ |
| Household Coverage | 67% of avg use |
Solar yield calculated for Lisfannon (55.10°N, 7.47°W) using PVGIS satellite data. Actual output varies by roof orientation, shading, and system specification.
Monthly Solar Output in Lisfannon
kWh per month (4kWp system)
Lisfannon at a Glance
| Area Data | Value |
|---|---|
| Population | 400 (Census 2022) |
| Elevation | 45 metres |
| Eircode Area | F92 |
| Dist. to Letterkenny | 23.6 km |
| Location | Inland |
| Coordinates | 55.1040°N, 7.4681°W |
Population and housing data: CSO Census 2022. Weather data: Met Eireann (Malin Head, 30.9 km).
Weather & Climate in Lisfannon
Weather data from Met Eireann (Malin Head station, 30.9 km from Lisfannon). 5-year average (2019–2023).
Going Solar in Lisfannon
Lisfannon is a village in Co. Donegal with a population of 400 (CSO Census 2022). It is a short drive from Letterkenny (23.6 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Lisfannon is F92. You'll need your full Eircode when applying for the SEAI grant. Based on satellite data for this location, a 4kWp solar system generates approximately 2,812 kWh per year (703 kWh/kWp). The area has moderate rainfall (1191 mm/yr), with a mean temperature of 10.3°C.
Solar panel benefits in Lisfannon, Donegal
Save on Electricity Bills
Homeowners in Lisfannon can save an estimated €844+ 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 Lisfannon today will generate clean electricity for 25-30 years with minimal maintenance.
Lisfannon SEAI solar PV grant details
Homeowners in Lisfannon, 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.
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Solar Panel FAQs for Lisfannon
How much do solar panels cost in Lisfannon?
A 4kWp system in Lisfannon 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.
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.
What is the Microgeneration Support Scheme?
The Microgeneration Support Scheme allows homeowners to sell surplus solar electricity back to the grid at 15-25c/kWh. You need a smart meter (free from ESB Networks) and a grid-connected system. The first €400/year of export income is tax-free.
Do I need to clean my solar panels?
In most cases, rain keeps solar panels clean enough in Ireland. If your panels are near trees or at a low angle, an annual clean may improve output by 2-5%. Never use abrasive materials. A soft brush and water is sufficient.
Are solar panels worth it in Lisfannon?
Yes. With estimated savings of €844+ per year, the €1,800 SEAI grant, 0% VAT, and export income of 15-25c/kWh, a solar system in Lisfannon pays for itself in 4-6 years and lasts 25+ 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.
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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