Solar Panels in Clonsilla, Co. Dublin
Located just 11.4 km from Dublin, Clonsilla has a solar yield of 915 kWh/kWp (among the highest in Ireland). A 4kWp system generates approximately 3,660 kWh annually, covering 87% of average household electricity use and saving an estimated €1098+ per year. With 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 much solar energy can you generate in Clonsilla?
| Solar Metric | Value |
|---|---|
| Solar Yield | 915 kWh/kWp |
| 4kWp System Output | 3,660 kWh/yr |
| Sunshine Hours | 1,514 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.
Clonsilla at a Glance
| Area Data | Value |
|---|---|
| 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 | 57 metres |
| Eircode Area | D15 |
| Dist. to Dublin | 11.4 km |
| Location | Inland |
| Coordinates | 53.3829°N, 6.4232°W |
Population and housing data: CSO Census 2022. Weather data: Met Eireann (Casement Aerodrome, 8.6 km).
Weather & Climate in Clonsilla
Weather data from Met Eireann (Casement Aerodrome station, 8.6 km from Clonsilla). 5-year average (2019–2023).
Solar Suitability in Clonsilla
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).
Clonsilla and Renewable Energy
Clonsilla is a community in Co. Dublin. It is a short drive from Dublin (11.4 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Clonsilla is D15. 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 Clonsilla 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 (804 mm/yr), with a mean temperature of 10.2°C.
What Clonsilla homeowners gain from solar
Save on Electricity Bills
Homeowners in Clonsilla can save an estimated €1098+ per year on electricity with a 4kWp solar system generating 3,660 kWh annually.
Top Solar County in Ireland
Co. Dublin ranks #4 in Ireland for solar yield with 915 kWh/kWp. Homes in Clonsilla benefit from some of the best solar conditions in the country.
25+ Year Lifespan
A system installed in Clonsilla today will generate clean electricity for 25-30 years with minimal maintenance.
How to claim the SEAI grant in Clonsilla
Homeowners in Clonsilla, 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.
375 SEAI-registered solar installers serve Clonsilla, Co. Dublin. Compare installers in Dublin or read verified reviews.
Solar Installers Serving Clonsilla
SEAI registered solar panel installers covering Clonsilla, Co. Dublin.
Efficient Renewables LTD
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Glenfield Renewables Ireland LTD
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Frequently Asked Questions About Solar Panels in Clonsilla
How much do solar panels cost in Clonsilla?
A 4.4 kWp system in Clonsilla 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.
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.
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.
How does shading affect solar panels in Clonsilla?
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.
How do I get the SEAI grant in Clonsilla?
Apply online at seai.ie with your MPRN and Eircode. Use an SEAI-registered installer. Do not start work before your Letter of Offer. After installation, complete a BER assessment. The grant is paid to your bank within 4-6 weeks.
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.
How much electricity will solar panels generate in Clonsilla?
Based on Dublin county data, a 4kWp system in Clonsilla generates approximately 3,660 kWh per year, covering 87% of average household use (4,200 kWh/year). Dublin receives around 1,500 sunshine hours annually.
Can you go off-grid with solar in Clonsilla?
Fully off-grid setups are rare in Clonsilla. 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: August 2026
Fact-checked by John Rooney, Solar Energy Editor. Editorial policy
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