Solar Panels in Rathangan, Co. Kildare
Rathangan, Co. Kildare, has a solar yield of 777 kWh/kWp (ideal conditions for solar energy). A 4kWp system generates approximately 3,108 kWh annually, covering 74% of average household electricity use and saving an estimated €932+ per year. With the SEAI grant of up to €1,800 and 0% VAT, the net cost is €3,200–€6,200 with payback in 4–6 years.
Rathangan solar yield and performance data
| Solar Metric | Value |
|---|---|
| Solar Yield | 777 kWh/kWp |
| 4kWp System Output | 3,108 kWh/yr |
| Sunshine Hours | 1,514 hrs/yr |
| Est. Annual Savings | €932+ |
| Household Coverage | 74% of avg use |
Solar yield calculated for Rathangan (53.22°N, 6.99°W) using PVGIS satellite data. Actual output varies by roof orientation, shading, and system specification.
Monthly Solar Output in Rathangan
kWh per month (4kWp system)
Rathangan at a Glance
| Area Data | Value |
|---|---|
| Population | 3,263 (Census 2022) |
| Households | 1,114 |
| Houses/Bungalows | 94% of dwellings |
| Owner-Occupied | 68% |
| Built Before 2000 | 42% |
| Avg. Rooms per Home | 5.2 |
| Elevation | 72 metres |
| Eircode Area | R51 |
| Dist. to Naas | 21.8 km |
| Location | Inland |
| Coordinates | 53.2203°N, 6.9930°W |
Population and housing data: CSO Census 2022. Weather data: Met Eireann (Casement Aerodrome, 38.1 km).
Weather & Climate in Rathangan
Weather data from Met Eireann (Casement Aerodrome station, 38.1 km from Rathangan). 5-year average (2019–2023).
Solar Suitability in Rathangan
94% of dwellings in Rathangan are houses or bungalows, making the area highly suited for rooftop solar panels. 68% of homes are owner-occupied — homeowners can apply directly for the SEAI grant.
Going Solar in Rathangan
Rathangan is a town in Co. Kildare with a population of 3,263 (CSO Census 2022). It is a short drive from Naas (21.8 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Rathangan is R51. You'll need your full Eircode when applying for the SEAI grant. According to the 2022 Census, Rathangan has 1,114 households, of which 94% are houses or bungalows — well suited for rooftop solar panels. Based on satellite data for this location, a 4kWp solar system generates approximately 3,108 kWh per year (777 kWh/kWp). The area has relatively low rainfall (804 mm/yr), with a mean temperature of 10.2°C.
Solar panel benefits in Rathangan, Kildare
Save on Electricity Bills
Homeowners in Rathangan can save an estimated €932+ per year on electricity with a 4kWp solar system generating 3,540 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 Rathangan today will generate clean electricity for 25-30 years with minimal maintenance.
Rathangan SEAI solar PV grant details
Homeowners in Rathangan, Co. Kildare 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 Kildare
SEAI registered solar panel installers covering Kildare.
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Solar Panel FAQs for Rathangan
How much do solar panels cost in Rathangan?
A 4kWp system in Rathangan 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 3,540 kWh/year, paying for itself in 4-6 years.
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.
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 happens to my solar panels if I move house in Rathangan?
Solar panels stay with the property as a permanent fixture. They add value to your home for the next buyer. The SEAI grant does not need to be repaid if you sell. Your installer can transfer monitoring accounts to the new owner.
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 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.
Do solar panels increase property value in Rathangan?
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 Rathangan is a long-term investment in your property.
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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