Solar Panels in Knockatallon, Co. Monaghan
Knockatallon is a village in Co. Monaghan with a population of around 400. Located 12.2 km from Monaghan, the area has a solar yield of 739 kWh/kWp. A 4kWp solar system generates approximately 2,956 kWh annually, saving an estimated €887+ 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 Knockatallon?
| Solar Metric | Value |
|---|---|
| Solar Yield | 739 kWh/kWp |
| 4kWp System Output | 2,956 kWh/yr |
| Sunshine Hours | 1,200 hrs/yr |
| Est. Annual Savings | €887+ |
| Household Coverage | 70% of avg use |
Solar yield calculated for Knockatallon (54.31°N, 7.13°W) using PVGIS satellite data. Actual output varies by roof orientation, shading, and system specification.
Monthly Solar Output in Knockatallon
kWh per month (4kWp system)
Knockatallon at a Glance
| Area Data | Value |
|---|---|
| Population | 400 (Census 2022) |
| Elevation | 150 metres |
| Eircode Area | H18 |
| Dist. to Monaghan | 12.2 km |
| Location | Inland |
| Coordinates | 54.3059°N, 7.1294°W |
Population and housing data: CSO Census 2022. Weather data: Met Eireann (Ballyhaise, 30.7 km).
Weather & Climate in Knockatallon
Weather data from Met Eireann (Ballyhaise station, 30.7 km from Knockatallon). 5-year average (2019–2023).
About Solar Energy in Knockatallon
Knockatallon is a village in Co. Monaghan with a population of 400 (CSO Census 2022). It is a short drive from Monaghan (12.2 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Knockatallon is H18. 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 2,956 kWh per year (739 kWh/kWp). The area has moderate rainfall (1102 mm/yr), with a mean temperature of 9.9°C.
Benefits of Solar Panels in Knockatallon
Save on Electricity Bills
Homeowners in Knockatallon can save an estimated €887+ per year on electricity with a 4kWp solar system generating 3,364 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 Knockatallon today will generate clean electricity for 25-30 years with minimal maintenance.
Government Support for Solar in Knockatallon
Homeowners in Knockatallon, Co. Monaghan 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 Monaghan
SEAI registered solar panel installers covering Monaghan.
Top Rated Solar Installers Near Knockatallon
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Solar coverage near Knockatallon
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What Knockatallon homeowners ask about solar
How much do solar panels cost in Knockatallon?
A 4kWp system in Knockatallon 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 3,364 kWh/year, paying for itself in 4-6 years.
How does shading affect solar panels in Knockatallon?
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.
How do I get the SEAI grant in Knockatallon?
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.
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).
Is my roof suitable for solar panels in Knockatallon?
Most roofs are suitable. You need at least 15-20 m² of unshaded roof space for a typical 4kWp system (10 panels). South, east, or west-facing roofs work well. Your installer will assess your roof's orientation, angle, and structural suitability during a site survey.
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.
What roof direction is best for solar panels in Knockatallon?
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.
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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