Solar Panels in Castlelyons, Co. Cork
Castlelyons is a village in Co. Cork with a population of around 428. Located 26.9 km from Cork City, the area receives 1,380+ sunshine hours per year. A 4kWp solar system generates approximately 3,628 kWh annually — saving an estimated €1088+ per year. The SEAI grant of up to €1,800 and 0% VAT bring the net cost to €3,200–€6,200.
What is the solar potential in Castlelyons?
Solar Yield
4kWp Output
Sunshine
Est. Savings
Household Coverage
Population
Eircode Area
Dist. to Cork City
Location
Based on county-level solar data for Cork. Actual output varies by roof orientation, shading, and system specification.
About Solar Energy in Castlelyons
Castlelyons is a village in Co. Cork with a population of 428 (CSO Census 2022). It is accessible from Cork City (26.9 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Castlelyons is P14 — you'll need your full Eircode when applying for the SEAI grant. Co. Cork ranks #6 in Ireland for solar yield, making Castlelyons an excellent location for solar panels.
Benefits of Solar Panels in Castlelyons
Save on Electricity Bills
Homeowners in Castlelyons can save an estimated €1088+ per year on electricity with a 4kWp solar system generating 3,628 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. Cork ranks #6 in Ireland for solar yield with 907 kWh/kWp. Homes in Castlelyons benefit from some of the best solar conditions in the country.
25+ Year Lifespan
A system installed in Castlelyons today will generate clean electricity for 25-30 years with minimal maintenance.
Government Support for Solar in Castlelyons
Homeowners in Castlelyons, Co. Cork 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 Cork
SEAI registered solar panel installers covering Cork.
Where can you find solar installers near Castlelyons?
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Solar Panel FAQs for Castlelyons
How much do solar panels cost in Castlelyons?
A 4kWp system in Castlelyons 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 3,628 kWh/year, paying for itself in 4-6 years.
How much electricity will solar panels generate in Castlelyons?
Based on Cork county data, a 4kWp system in Castlelyons generates approximately 3,628 kWh per year — covering 86% of average household use (4,200 kWh/year). Cork receives around 1,380 sunshine hours annually.
Are solar panels worth it in Castlelyons?
Yes. With estimated savings of €1088+ per year, the €1,800 SEAI grant, 0% VAT, and export income of 15-25c/kWh, a solar system in Castlelyons pays for itself in 4-6 years and lasts 25+ years.
What is a BER assessment and do I need one?
A Building Energy Rating (BER) assessment is required after installing solar panels to claim the SEAI grant. A BER assessor visits your home and rates its energy efficiency from A1 to G. Solar panels typically improve your BER by 1-2 grades. The assessment costs around €150-€200.
Do solar panels increase property value in Castlelyons?
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 Castlelyons is a long-term investment in your property.
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.
Sources
Last updated: February 2026
Reviewed by the Solar Info editorial team. Editorial policy
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