Solar Panels in Galway
County Galway performs above the national average at 886 kWh per kWp despite its Atlantic exposure. Galway had 1,929 SEAI installations in 2024 — the third highest nationally — with an impressive per-capita adoption rate of 33.83 per 10,000 people. A 4kWp system generates approximately 3,544 kWh annually, and Galway's strong winds help keep panels cool, improving efficiency.
How much solar energy can you generate in Galway?
Solar Yield
4kWp Output
Sunshine
Rainfall
Household Coverage
National Rank
SEAI Installs
Why Install Solar Panels in Galway?
Save on Electricity Bills
A 4kWp solar system in Galway generates approximately 3,544 kWh per year, covering 84% of average household use and saving an estimated €1063+ annually.
SEAI Grant — Up to €1,800
Get up to €1,800 back from SEAI for your solar installation. The grant is available for homes built and occupied before 2021. No means testing — it's property-based.
0% VAT Saves ~€1,000
Since May 2023, residential solar panel installations are zero-rated for VAT. This saves approximately €1,000 on a typical installation compared to the old 13.5% rate.
Earn from Excess Energy
Sell surplus electricity back to the grid at 15-25c/kWh through Ireland's Microgeneration Support Scheme. The first €400/year of export income is tax-free.
Strong Year-Round Performance
While Galway may see more cloud cover, solar panels still perform well here. Longer summer days at this northern latitude boost generation, and cooler temperatures improve panel efficiency.
Increase Property Value
Solar panels improve your BER rating and can increase your property value by up to 4%. Buyers increasingly look for energy-efficient homes with lower running costs.
25+ Year Lifespan
Modern solar panels last 25-30 years with minimal maintenance. In Galway, a typical system pays for itself in 4-6 years, leaving 20+ years of near-free electricity.
SEAI grants for Galway homeowners
The Sustainable Energy Authority of Ireland (SEAI) offers grants for homeowners in Galway to install solar PV panels. The grant was confirmed at €1,800 maximum for 2026. In 2024, 1,929 homes in Galway received SEAI solar grants.
| 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 |
Net costs include 0% VAT. Actual costs vary by installer and roof type. All prices are after SEAI grant deduction.
Typical 4kWp System Cost Breakdown
Based on average 4kWp installation costs in Galway. Actual costs vary by installer and roof type.
Solar Installers in Galway
SEAI registered solar panel installers covering Galway.
Where can you find solar panels in Galway?
Find solar panel information for 105 towns and villages across Galway. Click any location for local details.
Find Solar Installers in Galway
Browse SEAI-registered solar panel installers covering Galway. Compare reviews and get quotes.
Solar Panels in Neighbouring Counties
Explore solar panel information for counties near Galway.
Frequently Asked Questions About Solar Panels in Galway
How much do solar panels cost in Galway?
A typical 4kWp solar panel system in Galway costs between €5,000-€8,000 before the SEAI grant. After the €1,800 grant and with 0% VAT, the net cost is typically €3,200-€6,200. The system generates approximately 3,544 kWh per year, paying for itself in 4-6 years.
How much electricity will solar panels generate in Galway?
Galway receives approximately 1,182 sunshine hours per year, ranking #13 out of 26 counties for solar potential. A standard 4kWp system generates around 3,544 kWh annually — covering 84% of average household electricity consumption (4,200 kWh/year).
Are solar panels worth it in Galway?
Yes. At 886 kWh per kWp, solar panels in Galway generate significant returns. With the €1,800 SEAI grant, 0% VAT, and electricity savings of approximately €1063+ per year plus export income, a typical system pays for itself in 4-6 years and lasts 25+ years.
Does Galway get enough sun for solar panels?
Ireland receives enough solar radiation for panels to work effectively year-round. Galway gets around 1,182 sunshine hours per year with approximately 1,184mm of annual rainfall. Solar panels also generate electricity on cloudy days — just at reduced output. Germany, which has similar sunshine levels to Ireland, is one of the world's largest solar markets.
How long does solar panel installation take?
Most residential installations are completed in 1-2 days. The full process — from SEAI grant application to completed installation — typically takes 4-8 weeks. You must receive your SEAI Letter of Offer before any work begins.
Do I need planning permission for solar panels?
Most residential installations are exempt from planning permission, provided panels don't project more than 15cm from the roof surface and don't cover more than 50% of total roof area. Listed buildings and conservation areas may require permission.
Can I sell excess electricity back to the grid?
Yes. Under Ireland's Microgeneration Support Scheme, you sell surplus electricity at 15-25c per kWh depending on your supplier. You need a smart meter (ESB Networks installs these for free). The first €400/year of export income is tax-free.
How do I apply for the SEAI solar grant in Galway?
Apply online at seai.ie. You need an SEAI-registered installer, your MPRN (from your electricity bill), and your Eircode. Do not start work before receiving your Letter of Offer. After installation, a BER assessment is required. The grant is paid directly to your bank account within 4-6 weeks.
Sources
- SEAI — Solar Electricity Grant
- SEAI — Find a Registered Professional
- SEAI — Microgeneration Statistics
- Revenue — 0% VAT on Solar Panels
Last updated: February 2026
Reviewed by the Solar Info editorial team. Editorial policy
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