Solar Panels in Allenagh, Co. Longford
Allenagh is a small town in Co. Longford with a population of around 500. Located 3.1 km from Longford, the area has a solar yield of 854 kWh/kWp. A 4kWp solar system generates approximately 3,416 kWh annually, saving an estimated €1025+ per year. The SEAI grant of up to €1,800 and 0% VAT bring the net cost to €6,500–€7,200.
Allenagh solar irradiance and generation figures
| Solar Metric | Value |
|---|---|
| Solar Yield | 854 kWh/kWp |
| 4kWp System Output | 3,416 kWh/yr |
| Sunshine Hours | 1,285 hrs/yr |
| Est. Annual Savings | €1025+ |
| Household Coverage | 81% of avg use |
Based on county-level solar data for Longford. Actual output varies by roof orientation, shading, and system specification.
Allenagh at a Glance
| Area Data | Value |
|---|---|
| Population | 500 (Census 2022) |
| Elevation | 56 metres |
| Eircode Area | N39 |
| Dist. to Longford | 3.1 km |
| Location | Inland |
| Coordinates | 53.7390°N, 7.7504°W |
Population and housing data: CSO Census 2022. Weather data: Met Eireann (Mt Dillon, 15.2 km).
Weather & Climate in Allenagh
Weather data from Met Eireann (Mt Dillon station, 15.2 km from Allenagh). 5-year average (2019–2023).
Renewable Energy Potential in Allenagh
Allenagh is a small town in Co. Longford with a population of 500 (CSO Census 2022). It is conveniently close to Longford (3.1 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Allenagh is N39. You'll need your full Eircode when applying for the SEAI grant. The area receives around 1,285 sunshine hours annually, allowing a 4kWp solar system to generate approximately 3,416 kWh per year. The area has moderate rainfall (1171 mm/yr), with a mean temperature of 9.9°C.
Why Go Solar in Allenagh?
Save on Electricity Bills
Homeowners in Allenagh can save an estimated €1025+ per year on electricity with a 4kWp solar system generating 3,416 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 Allenagh today will generate clean electricity for 25-30 years with minimal maintenance.
SEAI Solar Grant for Allenagh Residents
Homeowners in Allenagh, Co. Longford 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.
302 SEAI-registered solar installers serve Allenagh, Co. Longford. Compare installers in Longford or read verified reviews.
Solar Installers Serving Allenagh
SEAI registered solar panel installers covering Allenagh, Co. Longford.
Lux Electrical Contractors Limited
carlow, cavan, clare +23 more
Tungsten Engineering Ltd
carlow, cavan, clare +23 more
Solar Generation LTD
donegal, leitrim, longford +3 more
Top Rated Solar Installers Near Allenagh
Read verified reviews from solar panel installers serving Allenagh, Co. Longford.
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Allenagh solar panel questions answered
How much do solar panels cost in Allenagh?
A 4.4 kWp system in Allenagh 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 3,416 kWh/year, paying for itself in 4-6 years.
What is the Microgeneration Support Scheme?
The Microgeneration Support Scheme allows homeowners to sell surplus solar electricity back to the grid at 15-25c/kWh. You need a smart meter (free from ESB Networks) and a grid-connected system. The first €400/year of export income is tax-free.
How long does solar panel installation take?
A typical residential installation takes 1-2 days. This includes scaffolding, mounting the panels, wiring, inverter installation, and connecting to the grid. Your installer handles the ESB Networks notification (NC6 form).
What roof direction is best for solar panels in Allenagh?
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.
What size solar system do I need for my home in Allenagh?
Most homes in Allenagh benefit from a 3-6 kWp system. A 4kWp system (10 panels) covers 81% of average household electricity use. Your installer will assess your roof space, orientation, and energy usage to recommend the optimal size.
Do solar panels increase property value in Allenagh?
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 Allenagh is a long-term investment in your property.
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.
Can you go off-grid with solar in Allenagh?
Fully off-grid setups are rare in Allenagh. 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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