Solar Panels in Killeigh, Co. Offaly
Killeigh is a village in Co. Offaly with a population of around 183. Located 7.2 km from Tullamore, the area has a solar yield of 777 kWh/kWp. A 4kWp solar system generates approximately 3,108 kWh annually, saving an estimated €932+ 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 Killeigh?
| Solar Metric | Value |
|---|---|
| Solar Yield | 777 kWh/kWp |
| 4kWp System Output | 3,108 kWh/yr |
| Sunshine Hours | 1,240 hrs/yr |
| Est. Annual Savings | €932+ |
| Household Coverage | 74% of avg use |
Solar yield calculated for Killeigh (53.21°N, 7.45°W) using PVGIS satellite data. Actual output varies by roof orientation, shading, and system specification.
Monthly Solar Output in Killeigh
kWh per month (4kWp system)
Killeigh at a Glance
| Area Data | Value |
|---|---|
| Population | 183 (Census 2022) |
| Households | 59 |
| Houses/Bungalows | 97% of dwellings |
| Owner-Occupied | 73% |
| Built Before 2000 | 80% |
| Avg. Rooms per Home | 5.8 |
| Elevation | 97 metres |
| Eircode Area | R35 |
| Dist. to Tullamore | 7.2 km |
| Location | Inland |
| Coordinates | 53.2136°N, 7.4496°W |
Population and housing data: CSO Census 2022. Weather data: Met Eireann (Mullingar, 36.4 km).
Weather & Climate in Killeigh
Weather data from Met Eireann (Mullingar station, 36.4 km from Killeigh). 5-year average (2019–2023).
Solar Suitability in Killeigh
97% of dwellings in Killeigh are houses or bungalows, making the area highly suited for rooftop solar panels. 73% of homes are owner-occupied — homeowners can apply directly for the SEAI grant. 80% of homes were built before 2000, qualifying for the SEAI solar grant (homes built and occupied before 2021 are eligible).
About Solar Energy in Killeigh
Killeigh is a village in Co. Offaly with a population of 183 (CSO Census 2022). It is conveniently close to Tullamore (7.2 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Killeigh is R35. You'll need your full Eircode when applying for the SEAI grant. According to the 2022 Census, Killeigh has 59 households, of which 97% are houses or bungalows — well suited for rooftop solar panels. Based on satellite data for this location, a 4kWp solar system generates approximately 3,108 kWh per year (777 kWh/kWp). The area has moderate rainfall (1062 mm/yr), with a mean temperature of 9.8°C.
Benefits of Solar Panels in Killeigh
Save on Electricity Bills
Homeowners in Killeigh can save an estimated €932+ per year on electricity with a 4kWp solar system generating 3,524 kWh annually.
Increase Property Value
Solar panels improve your BER rating and can add up to 4% to your property value.
25+ Year Lifespan
A system installed in Killeigh today will generate clean electricity for 25-30 years with minimal maintenance.
Government Support for Solar in Killeigh
Homeowners in Killeigh, Co. Offaly 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 €3,200–€6,200.
320 SEAI-registered solar installers serve Killeigh, Co. Offaly. Compare installers in Offaly or read verified reviews.
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What Killeigh homeowners ask about solar
How much do solar panels cost in Killeigh?
A 4kWp system in Killeigh 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 3,524 kWh/year, paying for itself in 4-6 years.
What size solar system do I need for my home in Killeigh?
Most homes in Killeigh benefit from a 3-6 kWp system. A 4kWp system (10 panels) covers 74% of average household electricity use. Your installer will assess your roof space, orientation, and energy usage to recommend the optimal size.
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.
What happens during a power cut?
Standard grid-tied solar systems shut down during a power cut for safety reasons (to protect ESB workers). If you need backup power, you can install a hybrid inverter with battery storage that provides power during outages.
Can I get solar panels on an east or west facing roof in Killeigh?
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 solar panels increase property value in Killeigh?
Yes. Solar panels improve your BER rating and can increase property value by up to 4%. Buyers increasingly look for energy-efficient homes with lower running costs. A solar system in Killeigh is a long-term investment in your property.
How do I get the SEAI grant in Killeigh?
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.
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: April 2026
Fact-checked by John Rooney, Solar Energy Editor. Editorial policy
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