Solar Panels in Brittas, Co. Dublin
Brittas is a village in Co. Dublin with a population of around 166. Located 18.7 km from Dublin, the area has a solar yield of 723 kWh/kWp. A 4kWp solar system generates approximately 2,892 kWh annually, saving an estimated €868+ per year. The SEAI grant of up to €1,800 and 0% VAT bring the net cost to €3,200–€6,200.
How productive are solar panels in Brittas?
| Solar Metric | Value |
|---|---|
| Solar Yield | 723 kWh/kWp |
| 4kWp System Output | 2,892 kWh/yr |
| Sunshine Hours | 1,514 hrs/yr |
| Est. Annual Savings | €868+ |
| Household Coverage | 69% of avg use |
Solar yield calculated for Brittas (53.23°N, 6.46°W) using PVGIS satellite data. Actual output varies by roof orientation, shading, and system specification.
Monthly Solar Output in Brittas
kWh per month (4kWp system)
Brittas at a Glance
| Area Data | Value |
|---|---|
| Population | 166 (Census 2022) |
| Houses/Bungalows (Co. Dublin avg.) | 94% of dwellings |
| Owner-Occupied (Co. Dublin avg.) | 82% |
| Built Before 2000 (Co. Dublin avg.) | 88% |
| Avg. Rooms per Home (Co. Dublin avg.) | 6.1 |
| Elevation | 225 metres |
| Eircode Area | D24 |
| Dist. to Dublin | 18.7 km |
| Location | Inland |
| Coordinates | 53.2295°N, 6.4567°W |
Population and housing data: CSO Census 2022. Weather data: Met Eireann (Casement Aerodrome, 8.6 km).
Weather & Climate in Brittas
Weather data from Met Eireann (Casement Aerodrome station, 8.6 km from Brittas). 5-year average (2019–2023).
Solar Suitability in Brittas
Across Co. Dublin, 94% of dwellings are houses or bungalows, making the area highly suited for rooftop solar panels. 82% of homes are owner-occupied — homeowners can apply directly for the SEAI grant. 88% of homes were built before 2000, qualifying for the SEAI solar grant (homes built and occupied before 2021 are eligible).
About Solar Energy in Brittas
Brittas is a village in Co. Dublin with a population of 166 (CSO Census 2022). It is a short drive from Dublin (18.7 km), where most SEAI-registered installers in the county are based. At an elevation of 225 metres, installations in Brittas should consider potential wind exposure when planning panel mounting. The Eircode routing key for Brittas is D24. You'll need your full Eircode when applying for the SEAI grant. Across the wider Dublin area, 94% of dwellings are houses or bungalows and 82% are owner-occupied (Census 2022). Homeowners in Brittas with a south, east, or west-facing roof are well positioned for solar panels. Based on satellite data for this location, a 4kWp solar system generates approximately 2,892 kWh per year (723 kWh/kWp). The area has relatively low rainfall (804 mm/yr), with a mean temperature of 10.2°C.
Benefits of Solar Panels in Brittas
Save on Electricity Bills
Homeowners in Brittas can save an estimated €868+ per year on electricity with a 4kWp solar system generating 3,660 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.
Top Solar County in Ireland
Co. Dublin ranks #4 in Ireland for solar yield with 915 kWh/kWp. Homes in Brittas benefit from some of the best solar conditions in the country.
25+ Year Lifespan
A system installed in Brittas today will generate clean electricity for 25-30 years with minimal maintenance.
Government Support for Solar in Brittas
Homeowners in Brittas, Co. Dublin 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 Dublin
SEAI registered solar panel installers covering Dublin.
Top Rated Solar Installers Near Brittas
Read verified reviews from solar panel installers serving Brittas, Co. Dublin.
Solar coverage near Brittas
Also serving nearby areas in Dublin:
Find Solar Installers in Dublin
Browse SEAI-registered installers covering Brittas and all of Dublin.
What Brittas homeowners ask about solar
How much do solar panels cost in Brittas?
A 4kWp system in Brittas 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 3,660 kWh/year, paying for itself in 4-6 years.
What roof direction is best for solar panels in Brittas?
South-facing roofs produce the most electricity (100% of potential). South-east and south-west roofs produce around 95%. East or west-facing roofs still produce 80-85%. North-facing roofs are generally not recommended for solar panels in Ireland.
How do I get the SEAI grant in Brittas?
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.
How long do solar panels last?
Modern solar panels are warrantied for 25-30 years and typically last even longer. Panel efficiency degrades by about 0.5% per year, so after 25 years, your panels will still produce around 87% of their original output. Inverters typically last 10-15 years and may need one replacement.
How long does solar panel installation take?
A typical residential installation takes 1-2 days. This includes scaffolding, mounting the panels, wiring, inverter installation, and connecting to the grid. Your installer handles the ESB Networks notification (NC6 form).
What size solar system do I need for my home in Brittas?
Most homes in Brittas benefit from a 3-6 kWp system. A 4kWp system (10 panels) covers 69% of average household electricity use. Your installer will assess your roof space, orientation, and energy usage to recommend the optimal size.
Are solar panels worth it in Brittas?
Yes. With estimated savings of €868+ per year, the €1,800 SEAI grant, 0% VAT, and export income of 15-25c/kWh, a solar system in Brittas pays for itself in 4-6 years and lasts 25+ years.
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
Get a Free Solar Quote in Brittas
Connect with SEAI-registered installers covering Brittas, Co. Dublin.