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 760 kWh/kWp. A 4kWp solar system generates approximately 3,040 kWh annually, saving an estimated €912+ per year. The SEAI grant of up to €1,800 and 0% VAT bring the net cost to €3,200–€6,200.
Allenagh solar irradiance and generation figures
| Solar Metric | Value |
|---|---|
| Solar Yield | 760 kWh/kWp |
| 4kWp System Output | 3,040 kWh/yr |
| Sunshine Hours | 1,285 hrs/yr |
| Est. Annual Savings | €912+ |
| Household Coverage | 72% of avg use |
Solar yield calculated for Allenagh (53.74°N, 7.75°W) using PVGIS satellite data. Actual output varies by roof orientation, shading, and system specification.
Monthly Solar Output in Allenagh
kWh per month (4kWp system)
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. Based on satellite data for this location, a 4kWp solar system generates approximately 3,040 kWh per year (760 kWh/kWp). 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 €912+ per year on electricity with a 4kWp solar system generating 3,416 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.
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 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 Longford
SEAI registered solar panel installers covering Longford.
Top Rated Solar Installers Near Allenagh
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Allenagh solar panel questions answered
How much do solar panels cost in Allenagh?
A 4kWp system in Allenagh 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 3,416 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 72% 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.
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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