Solar Panels in Farnham, Co. Cavan
Farnham is a small town in Co. Cavan with a population of around 500. Located 3.2 km from Cavan Town, the area has a solar yield of 745 kWh/kWp. A 4kWp solar system generates approximately 2,980 kWh annually, saving an estimated €894+ per year. The SEAI grant of up to €1,800 and 0% VAT bring the net cost to €3,200–€6,200.
Solar energy output for Farnham, Co. Cavan
| Solar Metric | Value |
|---|---|
| Solar Yield | 745 kWh/kWp |
| 4kWp System Output | 2,980 kWh/yr |
| Sunshine Hours | 1,250 hrs/yr |
| Est. Annual Savings | €894+ |
| Household Coverage | 71% of avg use |
Solar yield calculated for Farnham (54.01°N, 7.40°W) using PVGIS satellite data. Actual output varies by roof orientation, shading, and system specification.
Monthly Solar Output in Farnham
kWh per month (4kWp system)
Farnham at a Glance
| Area Data | Value |
|---|---|
| Population | 500 (Census 2022) |
| Elevation | 69 metres |
| Eircode Area | H12 |
| Dist. to Cavan Town | 3.2 km |
| Location | Inland |
| Coordinates | 54.0088°N, 7.3966°W |
Population and housing data: CSO Census 2022. Weather data: Met Eireann (Ballyhaise, 7.3 km).
Weather & Climate in Farnham
Weather data from Met Eireann (Ballyhaise station, 7.3 km from Farnham). 5-year average (2019–2023).
Farnham: Local Solar Energy Profile
Farnham is a small town in Co. Cavan with a population of 500 (CSO Census 2022). It is conveniently close to Cavan Town (3.2 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Farnham is H12. 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 2,980 kWh per year (745 kWh/kWp). The area has moderate rainfall (1102 mm/yr), with a mean temperature of 9.9°C.
How solar panels pay off in Farnham
Save on Electricity Bills
Homeowners in Farnham can save an estimated €894+ per year on electricity with a 4kWp solar system generating 3,364 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 Farnham today will generate clean electricity for 25-30 years with minimal maintenance.
What SEAI grants can Farnham homeowners claim?
Homeowners in Farnham, Co. Cavan 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 Cavan
SEAI registered solar panel installers covering Cavan.
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Solar Panels in Areas Near Farnham
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Common Questions About Going Solar in Farnham
How much do solar panels cost in Farnham?
A 4kWp system in Farnham 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 3,364 kWh/year, paying for itself in 4-6 years.
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.
Are solar panels worth it in Farnham?
Yes. With estimated savings of €894+ per year, the €1,800 SEAI grant, 0% VAT, and export income of 15-25c/kWh, a solar system in Farnham pays for itself in 4-6 years and lasts 25+ years.
What is the payback period for solar panels in Farnham?
With a net cost of €3,200-€6,200 after the SEAI grant and savings of €894+ per year plus export income, a typical solar system in Farnham pays for itself in 4-6 years. After payback, you get 20+ years of near-free electricity.
Is my roof suitable for solar panels in Farnham?
Most roofs are suitable. You need at least 15-20 m² of unshaded roof space for a typical 4kWp system (10 panels). South, east, or west-facing roofs work well. Your installer will assess your roof's orientation, angle, and structural suitability during a site survey.
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.
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.
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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