Solar Panels in Tallaght, Co. Dublin
Located just 9.7 km from Dublin, Tallaght 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.
Tallaght 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.
Tallaght and Renewable Energy
Tallaght is a area near the county town in Co. Dublin. It is conveniently close to Dublin (9.7 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Tallaght is D24 — you'll need your full Eircode when applying for the SEAI grant. Co. Dublin ranks #4 in Ireland for solar yield, making Tallaght an excellent location for solar panels.
Why Go Solar in Tallaght?
Save on Electricity Bills
Homeowners in Tallaght 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 Tallaght benefit from some of the best solar conditions in the country.
25+ Year Lifespan
A system installed in Tallaght today will generate clean electricity for 25-30 years with minimal maintenance.
SEAI Solar Grant for Tallaght Residents
Homeowners in Tallaght, 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 Tallaght and all of Dublin.
Frequently Asked Questions About Solar Panels in Tallaght
How much do solar panels cost in Tallaght?
A 4kWp system in Tallaght 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 Tallaght?
Based on Dublin county data, a 4kWp system in Tallaght 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 Tallaght?
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 Tallaght pays for itself in 4-6 years and lasts 25+ years.
What roof direction is best for solar panels in Tallaght?
South-facing roofs produce the most electricity (100% of potential). South-east and south-west roofs produce around 95%. East or west-facing roofs still produce 80-85%. North-facing roofs are generally not recommended for solar panels in Ireland.
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.
Can I get solar panels on an east or west facing roof in Tallaght?
Yes. East or west-facing roofs still produce 80-85% of the output of a south-facing roof. Many installers recommend splitting panels across east and west to spread generation throughout the day, which can actually improve self-consumption.
Sources
Last updated: February 2026
Reviewed by the Solar Info editorial team. Editorial policy
Get a Free Solar Quote in Tallaght
Connect with SEAI-registered installers covering Tallaght, Co. Dublin.