SEAI Grant in Mayo — 2026 Guide
Homeowners in Mayo can claim the SEAI solar grant of up to €1,800 when installing solar panels in Mayo. A 4kWp system here generates 3,364 kWh per year — saving an estimated €935 annually and paying for itself in 5.6 years after the grant. Mayo sits 4.9% below the national average for solar yield, ranking #23 of 26 counties.
Last updated February 2026.
How much can you save with the SEAI grant in Mayo?
SEAI Grant
Grant Covers
Annual Savings
Payback Period
25-Year Return
4kWp Generation
Household Coverage
vs National Avg
What is the SEAI grant breakdown for Mayo?
The SEAI solar grant in Mayo follows the national rate: €700/kWp for the first 2 kWp and €200/kWp for additional capacity up to 4 kWp. Here's what solar panels in Mayo cost and save at each system size, based on 841 kWh/kWp local generation.
| System Size | SEAI Grant | Gross Cost | Net Cost | Annual Savings | Payback |
|---|---|---|---|---|---|
| 2 kWp (5 panels) | €1,400 | €3,500 | €2,100 | €468 | 4.5 years |
| 3 kWp (7 panels) | €1,600 | €5,250 | €3,650 | €701 | 5.2 years |
| 4 kWp (10 panels) | €1,800 | €7,000 | €5,200 | €935 | 5.6 years |
| 6 kWp (14 panels) | €1,800 | €10,500 | €8,700 | €1,403 | 6.2 years |
Based on €1750/kWp system cost, 841 kWh/kWp generation in Mayo, 55% self-consumption, electricity at 35c/kWh, export at 19c/kWh. Costs at 0% VAT.
How popular is solar energy in Mayo?
835 homes in Mayo received SEAI solar grants in 2024, ranking the county #23 out of 26 for solar potential.
Mayo is in the Connacht region, receiving approximately 1,105 sunshine hours per year with 1,463mm annual rainfall.
At 841 kWh per kWp, solar panels in Mayo generate 4.9% less than the national average — but with the SEAI grant covering 26% of costs, the investment pays back in 5.6 years regardless.
How does Mayo compare to other Connacht counties for solar?
How Mayo's solar potential and SEAI grant returns compare to other counties in Connacht.
Do you qualify for the SEAI grant in Mayo?
The SEAI solar grant applies equally across all 26 ROI counties. Here's a quick check for Mayo homeowners.
You qualify if:
- ✓ Home built and occupied before 2021
- ✓ You are the property owner
- ✓ No previous solar PV grant claimed at this MPRN
- ✓ You use an SEAI-registered installer
You don't qualify if:
- ✗ Home built in 2021 or later
- ✗ You are a tenant (owners only)
- ✗ A solar PV grant was already claimed at this address
- ✗ Work started before receiving the Letter of Offer
How to apply
- Get quotes from 2–3 SEAI-registered installers covering Mayo
- Apply online at seai.ie with your MPRN and Eircode
- Receive your Letter of Offer — do not start work before this
- Complete installation and post-works BER assessment
- Grant paid to your bank within 4–6 weeks
What other solar supports are available in Mayo?
0% VAT
Residential solar installations are zero-rated for VAT since May 2023. On a €7,000 system in Mayo, this saves approximately €945 compared to the old 13.5% rate.
Feed-in Tariff
A 4 kWp system in Mayo exports approximately 1,514 kWh/year to the grid, earning around €288/year at current rates. The first €400/year of export income is tax-free until end 2028.
Tax-Free Income
The first €400 of annual microgeneration income is exempt from income tax, USC, and PRSI. This exemption was extended to end 2028 in Budget 2026.
Solar Panels in Mayo
Full county guide — local data, installers, and town-level info.
Installers in Mayo
Browse SEAI-registered solar installers covering Mayo.
Solar Calculator
Calculate your exact savings, payback, and export income.
Full SEAI Grant Guide
Complete 2026 guide — residential, commercial, application process.
Frequently Asked Questions About SEAI Grants in Mayo
How much is the SEAI solar grant in Mayo?
The SEAI grant in Mayo is the same as the rest of Ireland — up to €1,800 for a 4 kWp+ system. This solar grant covers 26% of a typical 4 kWp system cost (€7,000) for solar panels in Mayo. The grant rate is €700/kWp for the first 2 kWp and €200/kWp for the next 2 kWp.
What is the payback period for solar panels in Mayo?
A 4 kWp system in Mayo has an estimated payback of 5.6 years. This is based on 3,364 kWh annual generation, €935 yearly savings (electricity + export), and a net cost of €5,200 after the €1,800 SEAI grant.
How much can I save with solar panels in Mayo?
A 4 kWp system in Mayo saves approximately €935 per year — €648 from reduced electricity bills and €288 from exporting surplus to the grid. Over 25 years, that's a net return of approximately €18,175.
How does Mayo compare to other counties for solar?
Mayo generates 841 kWh per kWp installed, which is 4.9% below the national average of 884 kWh/kWp, ranking #23 out of 26 counties. 1,105 sunshine hours and 1,463mm rainfall per year.
Do I qualify for the SEAI grant in Mayo?
If your home in Mayo was built and occupied before 2021, you are the property owner, and no solar PV grant has been claimed at your MPRN before, you qualify. There is no means testing. You must use an SEAI-registered installer and apply before any work begins.
How much electricity will solar panels export in Mayo?
A 4 kWp system in Mayo generates 3,364 kWh/year. Approximately 45% (1,514 kWh) is exported to the grid, earning around €288/year at current feed-in rates. The first €400/year of export income is tax-free.
Sources
- SEAI Solar Electricity Grant — seai.ie
- SEAI Solar PV Registered Installer List — seai.ie
- 0% VAT on Solar Panels (Finance Act 2023) — revenue.ie
- Microgeneration Support Scheme — seai.ie
Claim Your SEAI Grant in Mayo
Get a free, no-obligation quote from SEAI-registered installers covering Mayo.