Solar Panels in Castlecomer, Co. Kilkenny
Castlecomer is a small town in Co. Kilkenny with a population of around 1,496. Located 17.1 km from Kilkenny, the area receives 1,360+ sunshine hours per year. A 4kWp solar system generates approximately 3,620 kWh annually — saving an estimated €1086+ per year. The SEAI grant of up to €1,800 and 0% VAT bring the net cost to €3,200–€6,200.
How much solar energy can you generate in Castlecomer?
Solar Yield
4kWp Output
Sunshine
Est. Savings
Household Coverage
Population
Eircode Area
Dist. to Kilkenny
Location
Based on county-level solar data for Kilkenny. Actual output varies by roof orientation, shading, and system specification.
Solar Power in Castlecomer, Co. Kilkenny
Castlecomer is a small town in Co. Kilkenny with a population of 1,496 (CSO Census 2022). It is a short drive from Kilkenny (17.1 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Castlecomer is R56 — you'll need your full Eircode when applying for the SEAI grant. Co. Kilkenny ranks #7 in Ireland for solar yield, making Castlecomer an excellent location for solar panels.
Advantages of Solar Energy for Castlecomer Homeowners
Save on Electricity Bills
Homeowners in Castlecomer can save an estimated €1086+ per year on electricity with a 4kWp solar system generating 3,620 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. Kilkenny ranks #7 in Ireland for solar yield with 905 kWh/kWp. Homes in Castlecomer benefit from some of the best solar conditions in the country.
25+ Year Lifespan
A system installed in Castlecomer today will generate clean electricity for 25-30 years with minimal maintenance.
What SEAI grants can Castlecomer homeowners claim?
Homeowners in Castlecomer, Co. Kilkenny 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 Kilkenny
SEAI registered solar panel installers covering Kilkenny.
Solar Panels in Areas Near Castlecomer
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Common Questions About Going Solar in Castlecomer
How much do solar panels cost in Castlecomer?
A 4kWp system in Castlecomer 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 3,620 kWh/year, paying for itself in 4-6 years.
How much electricity will solar panels generate in Castlecomer?
Based on Kilkenny county data, a 4kWp system in Castlecomer generates approximately 3,620 kWh per year — covering 86% of average household use (4,200 kWh/year). Kilkenny receives around 1,360 sunshine hours annually.
Are solar panels worth it in Castlecomer?
Yes. With estimated savings of €1086+ per year, the €1,800 SEAI grant, 0% VAT, and export income of 15-25c/kWh, a solar system in Castlecomer pays for itself in 4-6 years and lasts 25+ years.
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 maintenance do solar panels need?
Solar panels need very little maintenance. Rain keeps them clean in most cases. There are no moving parts. Your inverter may need replacing once in 25 years (10-15 year lifespan). Annual visual checks and occasional cleaning if near trees is all that's needed.
Do solar panels increase property value in Castlecomer?
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 Castlecomer is a long-term investment in your property.
Sources
Last updated: February 2026
Reviewed by the Solar Info editorial team. Editorial policy
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