Solar Panels in Castleinch, Co. Kilkenny
Located just 5.3 km from Kilkenny, Castleinch receives 1,360+ sunshine hours per year — among the highest in Ireland. A 4kWp system generates approximately 3,620 kWh annually, covering 86% of average household electricity use and saving an estimated €1086+ per year. With the SEAI grant of up to €1,800 and 0% VAT, the net cost is €3,200–€6,200 with payback in 4–6 years.
How much solar energy can you generate in Castleinch?
Solar Yield
4kWp Output
Sunshine
Est. Savings
Household Coverage
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 Castleinch, Co. Kilkenny
Castleinch is a area near the county town in Co. Kilkenny. It is conveniently close to Kilkenny (5.3 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Castleinch is R95 — you'll need your full Eircode when applying for the SEAI grant. Co. Kilkenny ranks #7 in Ireland for solar yield, making Castleinch an excellent location for solar panels.
Advantages of Solar Energy for Castleinch Homeowners
Save on Electricity Bills
Homeowners in Castleinch 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 Castleinch benefit from some of the best solar conditions in the country.
25+ Year Lifespan
A system installed in Castleinch today will generate clean electricity for 25-30 years with minimal maintenance.
What SEAI grants can Castleinch homeowners claim?
Homeowners in Castleinch, 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 Castleinch
Also serving nearby areas in Kilkenny:
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Common Questions About Going Solar in Castleinch
How much do solar panels cost in Castleinch?
A 4kWp system in Castleinch 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 Castleinch?
Based on Kilkenny county data, a 4kWp system in Castleinch 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 Castleinch?
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 Castleinch pays for itself in 4-6 years and lasts 25+ years.
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).
Do I need a smart meter for solar panels?
You need a smart meter to sell surplus electricity back to the grid. ESB Networks installs smart meters for free. Your installer submits the NC6 form to ESB Networks after installation, which triggers the meter upgrade if needed.
Do solar panels work in winter in Kilkenny?
Yes, solar panels generate electricity all year round. While output is lower in winter, Kilkenny still receives usable daylight hours even in December. Annual generation figures (3,620 kWh for a 4kWp system) already account for seasonal variation.
Sources
Last updated: February 2026
Reviewed by the Solar Info editorial team. Editorial policy
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