Solar Panels in Kilmacthomas, Co. Waterford
Kilmacthomas is a small town in Co. Waterford with a population of around 891. Located 21.5 km from Waterford, the area has a solar yield of 848 kWh/kWp. A 4kWp solar system generates approximately 3,392 kWh annually, saving an estimated €1018+ per year. The SEAI grant of up to €1,800 and 0% VAT bring the net cost to €3,200–€6,200.
Solar energy output for Kilmacthomas, Co. Waterford
| Solar Metric | Value |
|---|---|
| Solar Yield | 848 kWh/kWp |
| 4kWp System Output | 3,392 kWh/yr |
| Sunshine Hours | 1,465 hrs/yr |
| Est. Annual Savings | €1018+ |
| Household Coverage | 81% of avg use |
Solar yield calculated for Kilmacthomas (52.21°N, 7.42°W) using PVGIS satellite data. Actual output varies by roof orientation, shading, and system specification.
Monthly Solar Output in Kilmacthomas
kWh per month (4kWp system)
Kilmacthomas at a Glance
| Area Data | Value |
|---|---|
| Population | 891 (Census 2022) |
| Houses/Bungalows (Co. Waterford avg.) | 86% of dwellings |
| Owner-Occupied (Co. Waterford avg.) | 52% |
| Built Before 2000 (Co. Waterford avg.) | 68% |
| Avg. Rooms per Home (Co. Waterford avg.) | 5 |
| Elevation | 87 metres |
| Eircode Area | X42 |
| Dist. to Waterford | 21.5 km |
| Location | Inland |
| Coordinates | 52.2126°N, 7.4165°W |
Population and housing data: CSO Census 2022. Weather data: Met Eireann (Moore Park, 58 km).
Weather & Climate in Kilmacthomas
Weather data from Met Eireann (Moore Park station, 58 km from Kilmacthomas). 5-year average (2019–2023).
Solar Suitability in Kilmacthomas
Across Co. Waterford, 86% of dwellings are houses or bungalows, making the area highly suited for rooftop solar panels. 52% of homes are owner-occupied — homeowners can apply directly for the SEAI grant. 68% of homes were built before 2000, qualifying for the SEAI solar grant (homes built and occupied before 2021 are eligible).
Kilmacthomas: Local Solar Energy Profile
Kilmacthomas is a small town in Co. Waterford with a population of 891 (CSO Census 2022). It is a short drive from Waterford (21.5 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Kilmacthomas is X42. You'll need your full Eircode when applying for the SEAI grant. Across the wider Waterford area, 86% of dwellings are houses or bungalows and 52% are owner-occupied (Census 2022). Homeowners in Kilmacthomas with a south, east, or west-facing roof are well positioned for solar panels. Based on satellite data for this location, a 4kWp solar system generates approximately 3,392 kWh per year (848 kWh/kWp). The area has moderate rainfall (1104 mm/yr), with a mean temperature of 10.6°C.
How solar panels pay off in Kilmacthomas
Save on Electricity Bills
Homeowners in Kilmacthomas can save an estimated €1018+ per year on electricity with a 4kWp solar system generating 3,796 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.
Top Solar County in Ireland
Co. Waterford ranks #2 in Ireland for solar yield with 949 kWh/kWp. Homes in Kilmacthomas benefit from some of the best solar conditions in the country.
25+ Year Lifespan
A system installed in Kilmacthomas today will generate clean electricity for 25-30 years with minimal maintenance.
What SEAI grants can Kilmacthomas homeowners claim?
Homeowners in Kilmacthomas, Co. Waterford 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 Waterford
SEAI registered solar panel installers covering Waterford.
Top Rated Solar Installers Near Kilmacthomas
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Solar Panels in Areas Near Kilmacthomas
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Common Questions About Going Solar in Kilmacthomas
How much do solar panels cost in Kilmacthomas?
A 4kWp system in Kilmacthomas 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 3,796 kWh/year, paying for itself in 4-6 years.
Is my roof suitable for solar panels in Kilmacthomas?
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.
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).
How long do solar panels last?
Modern solar panels are warrantied for 25-30 years and typically last even longer. Panel efficiency degrades by about 0.5% per year, so after 25 years, your panels will still produce around 87% of their original output. Inverters typically last 10-15 years and may need one replacement.
What is the payback period for solar panels in Kilmacthomas?
With a net cost of €3,200-€6,200 after the SEAI grant and savings of €1018+ per year plus export income, a typical solar system in Kilmacthomas pays for itself in 4-6 years. After payback, you get 20+ years of near-free electricity.
What roof direction is best for solar panels in Kilmacthomas?
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.
How do I get the SEAI grant in Kilmacthomas?
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: March 2026
Fact-checked by John Rooney, Solar Energy Editor. Editorial policy
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