Solar Panels in Knocklyon, Co. Dublin
Located just 8.3 km from Dublin, Knocklyon receives 1,500+ sunshine hours per year — among the highest in Ireland. A 4kWp system generates approximately 3,660 kWh annually, covering 87% of average household electricity use and saving an estimated €1098+ 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.
Knocklyon solar yield and performance data
Solar Yield
4kWp Output
Sunshine
Est. Savings
Household Coverage
Eircode Area
Dist. to Dublin
Location
Based on county-level solar data for Dublin. Actual output varies by roof orientation, shading, and system specification.
Knocklyon and Renewable Energy
Knocklyon is a area near the county town in Co. Dublin. It is conveniently close to Dublin (8.3 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Knocklyon is D24 — you'll need your full Eircode when applying for the SEAI grant. Co. Dublin ranks #4 in Ireland for solar yield, making Knocklyon an excellent location for solar panels.
Why Go Solar in Knocklyon?
Save on Electricity Bills
Homeowners in Knocklyon can save an estimated €1098+ per year on electricity with a 4kWp solar system generating 3,660 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. Dublin ranks #4 in Ireland for solar yield with 915 kWh/kWp. Homes in Knocklyon benefit from some of the best solar conditions in the country.
25+ Year Lifespan
A system installed in Knocklyon today will generate clean electricity for 25-30 years with minimal maintenance.
SEAI Solar Grant for Knocklyon Residents
Homeowners in Knocklyon, Co. Dublin 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 Dublin
SEAI registered solar panel installers covering Dublin.
Nearby Towns Also Served
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Frequently Asked Questions About Solar Panels in Knocklyon
How much do solar panels cost in Knocklyon?
A 4kWp system in Knocklyon 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 3,660 kWh/year, paying for itself in 4-6 years.
How much electricity will solar panels generate in Knocklyon?
Based on Dublin county data, a 4kWp system in Knocklyon generates approximately 3,660 kWh per year — covering 87% of average household use (4,200 kWh/year). Dublin receives around 1,500 sunshine hours annually.
Are solar panels worth it in Knocklyon?
Yes. With estimated savings of €1098+ per year, the €1,800 SEAI grant, 0% VAT, and export income of 15-25c/kWh, a solar system in Knocklyon pays for itself in 4-6 years and lasts 25+ years.
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 Dublin?
Yes, solar panels generate electricity all year round. While output is lower in winter, Dublin still receives usable daylight hours even in December. Annual generation figures (3,660 kWh for a 4kWp system) already account for seasonal variation.
Do solar panels increase property value in Knocklyon?
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 Knocklyon 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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