Solar Panels in Dunlavin, Co. Wicklow
Dunlavin is a small town in Co. Wicklow with a population of around 1,074. Located 44.8 km from Wicklow Town, the area has a solar yield of 947 kWh/kWp. A 4kWp solar system generates approximately 3,788 kWh annually, saving an estimated €1136+ per year. The SEAI grant of up to €1,800 and 0% VAT bring the net cost to €6,500–€7,200.
How productive are solar panels in Dunlavin?
| Solar Metric | Value |
|---|---|
| Solar Yield | 947 kWh/kWp |
| 4kWp System Output | 3,788 kWh/yr |
| Sunshine Hours | 1,448 hrs/yr |
| Est. Annual Savings | €1136+ |
| Household Coverage | 90% of avg use |
Based on county-level solar data for Wicklow. Actual output varies by roof orientation, shading, and system specification.
Dunlavin at a Glance
| Area Data | Value |
|---|---|
| Population | 1,074 (Census 2022) |
| Households | 352 |
| Houses/Bungalows | 94% of dwellings |
| Owner-Occupied | 54% |
| Built Before 2000 | 67% |
| Avg. Rooms per Home | 5.2 |
| Elevation | 174 metres |
| Eircode Area | R56 |
| Dist. to Wicklow Town | 44.8 km |
| Location | Inland |
| Coordinates | 53.0576°N, 6.7016°W |
Population and housing data: CSO Census 2022. Weather data: Met Eireann (Oak Park, 26.1 km).
Weather & Climate in Dunlavin
Weather data from Met Eireann (Oak Park station, 26.1 km from Dunlavin). 5-year average (2019–2023).
Solar Suitability in Dunlavin
94% of dwellings in Dunlavin are houses or bungalows, making the area highly suited for rooftop solar panels. 54% of homes are owner-occupied — homeowners can apply directly for the SEAI grant. 67% of homes were built before 2000, qualifying for the SEAI solar grant (homes built and occupied before 2021 are eligible).
About Solar Energy in Dunlavin
Dunlavin is a small town in Co. Wicklow with a population of 1,074 (CSO Census 2022). It is accessible from Wicklow Town (44.8 km), where most SEAI-registered installers in the county are based. At an elevation of 174 metres, installations in Dunlavin should consider potential wind exposure when planning panel mounting. The Eircode routing key for Dunlavin is R56. You'll need your full Eircode when applying for the SEAI grant. According to the 2022 Census, Dunlavin has 352 households, of which 94% are houses or bungalows — well suited for rooftop solar panels. The area receives around 1,448 sunshine hours annually, allowing a 4kWp solar system to generate approximately 3,788 kWh per year. The area has relatively low rainfall (867 mm/yr), with a mean temperature of 10.5°C.
Benefits of Solar Panels in Dunlavin
Save on Electricity Bills
Homeowners in Dunlavin can save an estimated €1136+ per year on electricity with a 4kWp solar system generating 3,788 kWh annually.
Top Solar County in Ireland
Co. Wicklow ranks #3 in Ireland for solar yield with 947 kWh/kWp. Homes in Dunlavin benefit from some of the best solar conditions in the country.
25+ Year Lifespan
A system installed in Dunlavin today will generate clean electricity for 25-30 years with minimal maintenance.
Government Support for Solar in Dunlavin
Homeowners in Dunlavin, Co. Wicklow 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.
327 SEAI-registered solar installers serve Dunlavin, Co. Wicklow. Compare installers in Wicklow or read verified reviews.
Solar Installers Serving Dunlavin
SEAI registered solar panel installers covering Dunlavin, Co. Wicklow.
SolarPro
carlow, dublin, kildare +6 more
Larkrock
dublin, kildare, louth +2 more
Circet Install Limited (KN Install Limited)
carlow, cavan, clare +23 more
Top Rated Solar Installers Near Dunlavin
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Solar coverage near Dunlavin
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What Dunlavin homeowners ask about solar
How much do solar panels cost in Dunlavin?
A 4.4 kWp system in Dunlavin 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 3,788 kWh/year, paying for itself in 4-6 years.
How does shading affect solar panels in Dunlavin?
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.
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.
Do solar panels work in winter in Wicklow?
Yes, solar panels generate electricity all year round. While output is lower in winter, Wicklow still receives usable daylight hours even in December. Annual generation figures (3,788 kWh for a 4kWp system) already account for seasonal variation.
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 get solar panels on an east or west facing roof in Dunlavin?
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 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 you go off-grid with solar in Dunlavin?
Fully off-grid setups are rare in Dunlavin. 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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