Solar Panels in Blessington, Co. Wicklow
Blessington, Co. Wicklow, has a solar yield of 947 kWh/kWp (among the highest in Ireland). A 4kWp system generates approximately 3,788 kWh annually, covering 90% of average household electricity use and saving an estimated €1136+ 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.
What is the solar potential in Blessington?
| Solar Metric | Value |
|---|---|
| Solar Yield | 947 kWh/kWp |
| 4kWp System Output | 3,788 kWh/yr |
| Sunshine Hours | 1,514 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.
Blessington at a Glance
| Area Data | Value |
|---|---|
| Population | 5,611 (Census 2022) |
| Households | 1,851 |
| Houses/Bungalows | 86% of dwellings |
| Owner-Occupied | 69% |
| Built Before 2000 | 44% |
| Avg. Rooms per Home | 5.5 |
| Elevation | 206 metres |
| Eircode Area | W91 |
| Dist. to Wicklow Town | 39 km |
| Location | Inland |
| Coordinates | 53.1726°N, 6.5331°W |
Population and housing data: CSO Census 2022. Weather data: Met Eireann (Casement Aerodrome, 16.1 km).
Weather & Climate in Blessington
Weather data from Met Eireann (Casement Aerodrome station, 16.1 km from Blessington). 5-year average (2019–2023).
Solar Suitability in Blessington
86% of dwellings in Blessington are houses or bungalows, making the area highly suited for rooftop solar panels. 69% of homes are owner-occupied — homeowners can apply directly for the SEAI grant.
Solar Power in Blessington, Co. Wicklow
Blessington is a town in Co. Wicklow with a population of 5,611 (CSO Census 2022). It is accessible from Wicklow Town (39 km), where most SEAI-registered installers in the county are based. At an elevation of 206 metres, installations in Blessington should consider potential wind exposure when planning panel mounting. The Eircode routing key for Blessington is W91. You'll need your full Eircode when applying for the SEAI grant. According to the 2022 Census, Blessington has 1,851 households, of which 86% 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 (804 mm/yr), with a mean temperature of 10.2°C.
Advantages of Solar Energy for Blessington Homeowners
Save on Electricity Bills
Homeowners in Blessington 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 Blessington benefit from some of the best solar conditions in the country.
25+ Year Lifespan
A system installed in Blessington today will generate clean electricity for 25-30 years with minimal maintenance.
Solar grants available in Blessington
Homeowners in Blessington, 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 Blessington, Co. Wicklow. Compare installers in Wicklow or read verified reviews.
Solar Installers Serving Blessington
SEAI registered solar panel installers covering Blessington, Co. Wicklow.
Kevin Murphy Electrical Services
carlow, cavan, clare +23 more
DND Electrical T/A Doran & Durnin Electrical Ltd
carlow, cavan, clare +23 more
DTN Electrical
carlow, dublin, kildare +8 more
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Your solar questions for Blessington
How much do solar panels cost in Blessington?
A 4.4 kWp system in Blessington 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.
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 Blessington?
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 planning permission for solar panels?
Most residential solar installations are exempt from planning permission, provided panels don't project more than 15cm from the roof and don't cover more than 50% of total roof area.
How does shading affect solar panels in Blessington?
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.
What is the payback period for solar panels in Blessington?
With a net cost of €6,500–€7,200 after the SEAI grant and savings of €1136+ per year plus export income, a typical solar system in Blessington 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.
Can you go off-grid with solar in Blessington?
Fully off-grid setups are rare in Blessington. 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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