Solar Panels in Firhouse, Co. Dublin
Located just 9.3 km from Dublin, Firhouse 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.
Firhouse 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.
Firhouse and Renewable Energy
Firhouse is a area near the county town in Co. Dublin. It is conveniently close to Dublin (9.3 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Firhouse is D24 — you'll need your full Eircode when applying for the SEAI grant. Co. Dublin ranks #4 in Ireland for solar yield, making Firhouse an excellent location for solar panels.
Why Go Solar in Firhouse?
Save on Electricity Bills
Homeowners in Firhouse 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 Firhouse benefit from some of the best solar conditions in the country.
25+ Year Lifespan
A system installed in Firhouse today will generate clean electricity for 25-30 years with minimal maintenance.
SEAI Solar Grant for Firhouse Residents
Homeowners in Firhouse, 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
Also serving nearby areas in Dublin:
Find Solar Installers in Dublin
Browse SEAI-registered installers covering Firhouse and all of Dublin.
Frequently Asked Questions About Solar Panels in Firhouse
How much do solar panels cost in Firhouse?
A 4kWp system in Firhouse 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 Firhouse?
Based on Dublin county data, a 4kWp system in Firhouse 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 Firhouse?
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 Firhouse pays for itself in 4-6 years and lasts 25+ years.
Can I sell excess solar electricity?
Yes. Under Ireland's Microgeneration Support Scheme, you sell surplus electricity at 15-25c/kWh. You need a smart meter (ESB Networks installs free). The first €400/year of export income is tax-free.
Is my roof suitable for solar panels in Firhouse?
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.
What happens during a power cut?
Standard grid-tied solar systems shut down during a power cut for safety reasons (to protect ESB workers). If you need backup power, you can install a hybrid inverter with battery storage that provides power during outages.
Sources
Last updated: February 2026
Reviewed by the Solar Info editorial team. Editorial policy
Get a Free Solar Quote in Firhouse
Connect with SEAI-registered installers covering Firhouse, Co. Dublin.