Solar Panels in Arklow, Co. Wicklow
Arklow is one of the larger towns in Co. Wicklow with a population of 13,399. With a solar yield of 820 kWh/kWp and 1,448+ sunshine hours per year, solar energy is a strong investment for homeowners here. A typical 4kWp system generates approximately 3,280 kWh annually, covering 78% of average household electricity use. After the SEAI grant of up to €1,800 and 0% VAT, the net cost is €3,200–€6,200 with payback in 4–6 years.
Arklow solar yield and performance data
| Solar Metric | Value |
|---|---|
| Solar Yield | 820 kWh/kWp |
| 4kWp System Output | 3,280 kWh/yr |
| Sunshine Hours | 1,448 hrs/yr |
| Est. Annual Savings | €984+ |
| Household Coverage | 78% of avg use |
Solar yield calculated for Arklow (52.80°N, 6.15°W) using PVGIS satellite data. Actual output varies by roof orientation, shading, and system specification.
Monthly Solar Output in Arklow
kWh per month (4kWp system)
Arklow at a Glance
| Area Data | Value |
|---|---|
| Population | 13,399 (Census 2022) |
| Households | 5,014 |
| Houses/Bungalows | 91% of dwellings |
| Owner-Occupied | 63% |
| Built Before 2000 | 64% |
| Avg. Rooms per Home | 5.3 |
| Elevation | 1 metres |
| Eircode Area | Y14 |
| Dist. to Wicklow Town | 21.6 km |
| Location | Inland |
| Coordinates | 52.7982°N, 6.1540°W |
Population and housing data: CSO Census 2022. Weather data: Met Eireann (Oak Park, 51.6 km).
Weather & Climate in Arklow
Weather data from Met Eireann (Oak Park station, 51.6 km from Arklow). 5-year average (2019–2023).
Solar Suitability in Arklow
91% of dwellings in Arklow are houses or bungalows, making the area highly suited for rooftop solar panels. 63% of homes are owner-occupied — homeowners can apply directly for the SEAI grant. 64% of homes were built before 2000, qualifying for the SEAI solar grant (homes built and occupied before 2021 are eligible).
Going Solar in Arklow
Arklow is a large town in Co. Wicklow with a population of 13,399 (CSO Census 2022). It is a short drive from Wicklow Town (21.6 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Arklow is Y14. You'll need your full Eircode when applying for the SEAI grant. According to the 2022 Census, Arklow has 5,014 households, of which 91% are houses or bungalows — well suited for rooftop solar panels. Based on satellite data for this location, a 4kWp solar system generates approximately 3,280 kWh per year (820 kWh/kWp). The area has relatively low rainfall (867 mm/yr), with a mean temperature of 10.5°C.
Solar panel benefits in Arklow, Wicklow
Save on Electricity Bills
Homeowners in Arklow can save an estimated €984+ per year on electricity with a 4kWp solar system generating 3,788 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. Wicklow ranks #3 in Ireland for solar yield with 947 kWh/kWp. Homes in Arklow benefit from some of the best solar conditions in the country.
25+ Year Lifespan
A system installed in Arklow today will generate clean electricity for 25-30 years with minimal maintenance.
Arklow SEAI solar PV grant details
Homeowners in Arklow, Co. Wicklow 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 Wicklow
SEAI registered solar panel installers covering Wicklow.
Top Rated Solar Installers Near Arklow
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Solar Panel FAQs for Arklow
How much do solar panels cost in Arklow?
A 4kWp system in Arklow 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 3,788 kWh/year, paying for itself in 4-6 years.
What is the payback period for solar panels in Arklow?
With a net cost of €3,200-€6,200 after the SEAI grant and savings of €984+ per year plus export income, a typical solar system in Arklow pays for itself in 4-6 years. After payback, you get 20+ years of near-free electricity.
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.
What roof direction is best for solar panels in Arklow?
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.
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.
Are solar panels worth it in Arklow?
Yes. With estimated savings of €984+ per year, the €1,800 SEAI grant, 0% VAT, and export income of 15-25c/kWh, a solar system in Arklow pays for itself in 4-6 years and lasts 25+ years.
Can I get solar panels on an east or west facing roof in Arklow?
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.
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
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