Solar Panels in Raheny, Co. Dublin
Raheny is one of the larger towns in Co. Dublin with a population of 18,000. With a solar yield of 915 kWh/kWp and 1,500+ sunshine hours per year, solar energy is a strong investment for homeowners here. A typical 4kWp system generates approximately 3,660 kWh annually, covering 87% of average household electricity use. After the SEAI grant of up to €1,800 and 0% VAT, the net cost is €6,500–€7,200 with payback in 4–6 years.
How productive are solar panels in Raheny?
| Solar Metric | Value |
|---|---|
| Solar Yield | 915 kWh/kWp |
| 4kWp System Output | 3,660 kWh/yr |
| Sunshine Hours | 1,500 hrs/yr |
| Est. Annual Savings | €1098+ |
| Household Coverage | 87% of avg use |
Based on county-level solar data for Dublin. Actual output varies by roof orientation, shading, and system specification.
Raheny at a Glance
| Area Data | Value |
|---|---|
| Population | 18,000 (Census 2022) |
| Houses/Bungalows (Co. Dublin avg.) | 71% of dwellings |
| Owner-Occupied (Co. Dublin avg.) | 57% |
| Built Before 2000 (Co. Dublin avg.) | 73% |
| Avg. Rooms per Home (Co. Dublin avg.) | 4.8 |
| Elevation | 19 metres |
| Eircode Area | D05 |
| Dist. to Dublin | 6.6 km |
| Location | Coastal |
| Coordinates | 53.3802°N, 6.1751°W |
Population and housing data: CSO Census 2022. Weather data: Met Eireann (Dublin Airport, 6.9 km).
Weather & Climate in Raheny
Weather data from Met Eireann (Dublin Airport station, 6.9 km from Raheny). 5-year average (2019–2023).
Solar Suitability in Raheny
Across Co. Dublin, 71% of dwellings are houses or bungalows, with good potential for rooftop solar installations. 57% of homes are owner-occupied — homeowners can apply directly for the SEAI grant. 73% of homes were built before 2000, qualifying for the SEAI solar grant (homes built and occupied before 2021 are eligible).
About Solar Energy in Raheny
Raheny is a large town in Co. Dublin with a population of 18,000 (CSO Census 2022). It is conveniently close to Dublin (6.6 km), where most SEAI-registered installers in the county are based. Raheny's coastal position means good exposure to sunlight, though installations should account for higher wind loads and salt air. The Eircode routing key for Raheny is D05. You'll need your full Eircode when applying for the SEAI grant. Across the wider Dublin area, 71% of dwellings are houses or bungalows and 57% are owner-occupied (Census 2022). Homeowners in Raheny with a south, east, or west-facing roof are well positioned for solar panels. The area receives around 1,500 sunshine hours annually, allowing a 4kWp solar system to generate approximately 3,660 kWh per year. The area has relatively low rainfall (798 mm/yr), with a mean temperature of 9.9°C.
Benefits of Solar Panels in Raheny
Save on Electricity Bills
Homeowners in Raheny can save an estimated €1098+ per year on electricity with a 4kWp solar system generating 3,660 kWh annually.
Coastal Location Advantage
Raheny's coastal position often means fewer obstructions and clearer horizons for solar exposure. Modern panels are designed to withstand coastal conditions including salt air.
25+ Year Lifespan
A system installed in Raheny today will generate clean electricity for 25-30 years with minimal maintenance.
Government Support for Solar in Raheny
Homeowners in Raheny, Co. Dublin 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.
376 SEAI-registered solar installers serve Raheny, Co. Dublin. Compare installers in Dublin or read verified reviews.
Solar Installers Serving Raheny
SEAI registered solar panel installers covering Raheny, Co. Dublin.
Red Electrical Engineering Ltd
dublin, kildare, meath +2 more
Light Energy Ireland Ltd
carlow, cavan, clare +23 more
Start Solar
carlow, cavan, clare +23 more
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What Raheny homeowners ask about solar
How much do solar panels cost in Raheny?
A 4.4 kWp system in Raheny 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 3,660 kWh/year, paying for itself in 4-6 years.
Do solar panels increase property value in Raheny?
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 Raheny is a long-term investment in your property.
Is my roof suitable for solar panels in Raheny?
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.
What happens during a power cut?
Standard grid-tied solar systems shut down during a power cut for safety reasons (to protect ESB workers). If you need backup power, you can install a hybrid inverter with battery storage that provides power during outages.
Can I get solar panels on an east or west facing roof in Raheny?
Yes. East or west-facing roofs still produce 80-85% of the output of a south-facing roof. Many installers recommend splitting panels across east and west to spread generation throughout the day, which can actually improve self-consumption.
Do solar panels work in winter in Dublin?
Yes, solar panels generate electricity all year round. While output is lower in winter, Dublin still receives usable daylight hours even in December. Annual generation figures (3,660 kWh for a 4kWp system) already account for seasonal variation.
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.
Can you go off-grid with solar in Raheny?
Fully off-grid setups are rare in Raheny. 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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