Solar Panels in Blackrock, Co. Dublin
Blackrock is one of the larger towns in Co. Dublin with a population of 31,152. 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.
What is the solar potential in Blackrock?
| 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.
Blackrock at a Glance
| Area Data | Value |
|---|---|
| Population | 31,152 (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 | 16 metres |
| Eircode Area | A94 |
| Dist. to Dublin | 7.6 km |
| Location | Inland |
| Coordinates | 53.3019°N, 6.1788°W |
Population and housing data: CSO Census 2022. Weather data: Met Eireann (Dublin Airport, 14.6 km).
Weather & Climate in Blackrock
Weather data from Met Eireann (Dublin Airport station, 14.6 km from Blackrock). 5-year average (2019–2023).
Solar Suitability in Blackrock
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).
Solar Power in Blackrock, Co. Dublin
Blackrock is a large town in Co. Dublin with a population of 31,152 (CSO Census 2022). It is conveniently close to Dublin (7.6 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Blackrock is A94. 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 Blackrock 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.
Advantages of Solar Energy for Blackrock Homeowners
Save on Electricity Bills
Homeowners in Blackrock 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 Blackrock benefit from some of the best solar conditions in the country.
25+ Year Lifespan
A system installed in Blackrock today will generate clean electricity for 25-30 years with minimal maintenance.
Solar grants available in Blackrock
Homeowners in Blackrock, 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 Blackrock, Co. Dublin. Compare installers in Dublin or read verified reviews.
Solar Installers Serving Blackrock
SEAI registered solar panel installers covering Blackrock, Co. Dublin.
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Your solar questions for Blackrock
How much do solar panels cost in Blackrock?
A 4.4 kWp system in Blackrock 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 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.
Can I get solar panels on an east or west facing roof in Blackrock?
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.
How much electricity will solar panels generate in Blackrock?
Based on Dublin county data, a 4kWp system in Blackrock 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.
What is the difference between solar PV and solar thermal?
Solar PV panels generate electricity from sunlight. Solar thermal panels heat water directly. For most Irish homes, solar PV is the better investment: it's more versatile, qualifies for the SEAI grant, and you can sell excess electricity. Solar thermal only heats water.
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.
Are solar panels worth it in Blackrock?
Yes. With estimated savings of €1098+ per year, the €1,800 SEAI grant, 0% VAT, and export income of 15-25c/kWh, a solar system in Blackrock pays for itself in 4-6 years and lasts 25+ years.
Can you go off-grid with solar in Blackrock?
Fully off-grid setups are rare in Blackrock. 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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