Solar Panels in Dundalk, Co. Louth
Dundalk is one of the larger towns in Co. Louth with a population of 43,112. With 1,315+ sunshine hours per year, solar energy is a strong investment for homeowners here. A typical 4kWp system generates approximately 3,524 kWh annually — covering 84% of average household electricity use. After 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 Dundalk?
Solar Yield
4kWp Output
Sunshine
Est. Savings
Household Coverage
Population
Eircode Area
Dist. to Dundalk
Location
Based on county-level solar data for Louth. Actual output varies by roof orientation, shading, and system specification.
Solar Power in Dundalk, Co. Louth
Dundalk is a large town in Co. Louth with a population of 43,112 (CSO Census 2022). It is conveniently close to Dundalk (0.1 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Dundalk is A42 — you'll need your full Eircode when applying for the SEAI grant.
Advantages of Solar Energy for Dundalk Homeowners
Save on Electricity Bills
Homeowners in Dundalk can save an estimated €1057+ per year on electricity with a 4kWp solar system generating 3,524 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.
Increase Property Value
Solar panels improve your BER rating and can add up to 4% to your property value.
25+ Year Lifespan
A system installed in Dundalk today will generate clean electricity for 25-30 years with minimal maintenance.
What SEAI grants can Dundalk homeowners claim?
Homeowners in Dundalk, Co. Louth 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 Louth
SEAI registered solar panel installers covering Louth.
Solar Panels in Areas Near Dundalk
Also serving nearby areas in Louth:
Find Solar Installers in Louth
Browse SEAI-registered installers covering Dundalk and all of Louth.
Common Questions About Going Solar in Dundalk
How much do solar panels cost in Dundalk?
A 4kWp system in Dundalk 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 3,524 kWh/year, paying for itself in 4-6 years.
How much electricity will solar panels generate in Dundalk?
Based on Louth county data, a 4kWp system in Dundalk generates approximately 3,524 kWh per year — covering 84% of average household use (4,200 kWh/year). Louth receives around 1,315 sunshine hours annually.
Are solar panels worth it in Dundalk?
Yes. With estimated savings of €1057+ per year, the €1,800 SEAI grant, 0% VAT, and export income of 15-25c/kWh, a solar system in Dundalk pays for itself in 4-6 years and lasts 25+ years.
Do solar panels work in winter in Louth?
Yes, solar panels generate electricity all year round. While output is lower in winter, Louth still receives usable daylight hours even in December. Annual generation figures (3,524 kWh for a 4kWp system) already account for seasonal variation.
What size solar system do I need for my home in Dundalk?
Most homes in Dundalk benefit from a 3-6 kWp system. A 4kWp system (10 panels) covers 84% of average household electricity use. Your installer will assess your roof space, orientation, and energy usage to recommend the optimal size.
Is my roof suitable for solar panels in Dundalk?
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.
Sources
Last updated: February 2026
Reviewed by the Solar Info editorial team. Editorial policy
Get a Free Solar Quote in Dundalk
Connect with SEAI-registered installers covering Dundalk, Co. Louth.