Solar Panels in Barndarrig, Co. Wicklow
Barndarrig is a village in Co. Wicklow with a population of around 253. Located 9 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.
Barndarrig solar irradiance and generation figures
| 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.
Barndarrig at a Glance
| Area Data | Value |
|---|---|
| Population | 253 (Census 2022) |
| Households | 86 |
| Houses/Bungalows | 100% of dwellings |
| Owner-Occupied | 64% |
| Built Before 2000 | 33% |
| Avg. Rooms per Home | 5.7 |
| Elevation | 77 metres |
| Eircode Area | A67 |
| Dist. to Wicklow Town | 9 km |
| Location | Inland |
| Coordinates | 52.9118°N, 6.1150°W |
Population and housing data: CSO Census 2022. Weather data: Met Eireann (Casement Aerodrome, 48.9 km).
Weather & Climate in Barndarrig
Weather data from Met Eireann (Casement Aerodrome station, 48.9 km from Barndarrig). 5-year average (2019–2023).
Solar Suitability in Barndarrig
100% of dwellings in Barndarrig are houses or bungalows, making the area highly suited for rooftop solar panels. 64% of homes are owner-occupied — homeowners can apply directly for the SEAI grant.
Renewable Energy Potential in Barndarrig
Barndarrig is a village in Co. Wicklow with a population of 253 (CSO Census 2022). It is conveniently close to Wicklow Town (9 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Barndarrig is A67. You'll need your full Eircode when applying for the SEAI grant. According to the 2022 Census, Barndarrig has 86 households, of which 100% 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.
Why Go Solar in Barndarrig?
Save on Electricity Bills
Homeowners in Barndarrig 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 Barndarrig benefit from some of the best solar conditions in the country.
25+ Year Lifespan
A system installed in Barndarrig today will generate clean electricity for 25-30 years with minimal maintenance.
SEAI Solar Grant for Barndarrig Residents
Homeowners in Barndarrig, 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 Barndarrig, Co. Wicklow. Compare installers in Wicklow or read verified reviews.
Solar Installers Serving Barndarrig
SEAI registered solar panel installers covering Barndarrig, Co. Wicklow.
Ardvolt Renewables Limited
carlow, cavan, clare +22 more
Solar Home Ireland Ltd
carlow, cavan, clare +23 more
Top Rated Solar Installers Near Barndarrig
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Barndarrig solar panel questions answered
How much do solar panels cost in Barndarrig?
A 4.4 kWp system in Barndarrig 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.
What maintenance do solar panels need?
Solar panels need very little maintenance. Rain keeps them clean in most cases. There are no moving parts. Your inverter may need replacing once in 25 years (10-15 year lifespan). Annual visual checks and occasional cleaning if near trees is all that's needed.
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 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 much electricity will solar panels generate in Barndarrig?
Based on Wicklow county data, a 4kWp system in Barndarrig generates approximately 3,788 kWh per year, covering 90% of average household use (4,200 kWh/year). Wicklow receives around 1,448 sunshine hours annually.
How do I get the SEAI grant in Barndarrig?
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.
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 Barndarrig?
Fully off-grid setups are rare in Barndarrig. 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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