Solar Panels in Westport, Co. Mayo
Westport, Co. Mayo, receives 1,105+ sunshine hours per year — ideal conditions for solar energy. A 4kWp system generates approximately 3,364 kWh annually, covering 80% of average household electricity use and saving an estimated €1009+ 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.
What is the solar potential in Westport?
Solar Yield
4kWp Output
Sunshine
Est. Savings
Household Coverage
Population
Eircode Area
Dist. to Castlebar
Location
Based on county-level solar data for Mayo. Actual output varies by roof orientation, shading, and system specification.
About Solar Energy in Westport
Westport is a town in Co. Mayo with a population of 6,872 (CSO Census 2022). It is a short drive from Castlebar (15.2 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Westport is F28 — you'll need your full Eircode when applying for the SEAI grant.
Benefits of Solar Panels in Westport
Save on Electricity Bills
Homeowners in Westport can save an estimated €1009+ per year on electricity with a 4kWp solar system generating 3,364 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 Westport today will generate clean electricity for 25-30 years with minimal maintenance.
Government Support for Solar in Westport
Homeowners in Westport, Co. Mayo 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 Mayo
SEAI registered solar panel installers covering Mayo.
Where can you find solar installers near Westport?
Also serving nearby areas in Mayo:
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Browse SEAI-registered installers covering Westport and all of Mayo.
Solar Panel FAQs for Westport
How much do solar panels cost in Westport?
A 4kWp system in Westport 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 3,364 kWh/year, paying for itself in 4-6 years.
How much electricity will solar panels generate in Westport?
Based on Mayo county data, a 4kWp system in Westport generates approximately 3,364 kWh per year — covering 80% of average household use (4,200 kWh/year). Mayo receives around 1,105 sunshine hours annually.
Are solar panels worth it in Westport?
Yes. With estimated savings of €1009+ per year, the €1,800 SEAI grant, 0% VAT, and export income of 15-25c/kWh, a solar system in Westport pays for itself in 4-6 years and lasts 25+ years.
What is the Microgeneration Support Scheme?
The Microgeneration Support Scheme allows homeowners to sell surplus solar electricity back to the grid at 15-25c/kWh. You need a smart meter (free from ESB Networks) and a grid-connected system. The first €400/year of export income is tax-free.
Do solar panels increase property value in Westport?
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 Westport is a long-term investment in your property.
What happens to my solar panels if I move house in Westport?
Solar panels stay with the property — they're a permanent fixture. They add value to your home for the next buyer. The SEAI grant does not need to be repaid if you sell. Your installer can transfer monitoring accounts to the new owner.
Sources
Last updated: February 2026
Reviewed by the Solar Info editorial team. Editorial policy
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