SEAI Grant in Donegal2026 Guide

Homeowners in Donegal can claim the SEAI solar grant of up to €1,800 when installing solar panels in Donegal. A 4kWp system here generates 3,268 kWh per year — saving an estimated €908 annually and paying for itself in 5.7 years after the grant. Donegal sits 7.6% below the national average for solar yield, ranking #26 of 26 counties.

Grant up to €1,800
3,268 kWh/yr
#26 of 26 counties

Last updated February 2026.

Get a Free Solar Quote in Donegal

Find out how much you could save with solar panels.

No obligation. SEAI grant eligible. 0% VAT on residential installs.

How much can you save with the SEAI grant in Donegal?

€1,800
for 4 kWp system

SEAI Grant

26%
of system cost

Grant Covers

€908
electricity + export

Annual Savings

5.7 yrs
after SEAI grant

Payback Period

€17,500
net profit

25-Year Return

3,268
kWh/yr

4kWp Generation

78%
of avg 4,200 kWh

Household Coverage

-7.6%
884 kWh/kWp base

vs National Avg

What is the SEAI grant breakdown for Donegal?

The SEAI solar grant in Donegal 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 Donegal cost and save at each system size, based on 817 kWh/kWp local generation.

System SizeSEAI GrantGross CostNet CostAnnual SavingsPayback
2 kWp (5 panels)1,4003,5002,1004544.6 years
3 kWp (7 panels)1,6005,2503,6506815.4 years
4 kWp (10 panels)1,8007,0005,2009085.7 years
6 kWp (14 panels)1,80010,5008,7001,3636.4 years

Based on €1750/kWp system cost, 817 kWh/kWp generation in Donegal, 55% self-consumption, electricity at 35c/kWh, export at 19c/kWh. Costs at 0% VAT.

How popular is solar energy in Donegal?

731 homes in Donegal received SEAI solar grants in 2024, ranking the county #26 out of 26 for solar potential.

Donegal is in the Ulster region, receiving approximately 1,175 sunshine hours per year with 1,100mm annual rainfall.

At 817 kWh per kWp, solar panels in Donegal generate 7.6% less than the national average — but with the SEAI grant covering 26% of costs, the investment pays back in 5.7 years regardless.

Sunshine Hours1,175 hrs/yr
Rainfall1,100 mm/yr
Solar Yield817 kWh/kWp
National Rank#26 of 26

How does Donegal compare to other Ulster counties for solar?

How Donegal's solar potential and SEAI grant returns compare to other counties in Ulster.

CountySolar Yield4kWp OutputAnnual SavingsPaybackRank
Cavan841 kWh/kWp3,364 kWh935/yr5.6 yrs#25
Monaghan841 kWh/kWp3,364 kWh935/yr5.6 yrs#24
Donegal817 kWh/kWp3,268 kWh908/yr5.7 yrs#26

Do you qualify for the SEAI grant in Donegal?

The SEAI solar grant applies equally across all 26 ROI counties. Here's a quick check for Donegal 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

  1. Get quotes from 2–3 SEAI-registered installers covering Donegal
  2. Apply online at seai.ie with your MPRN and Eircode
  3. Receive your Letter of Offer — do not start work before this
  4. Complete installation and post-works BER assessment
  5. Grant paid to your bank within 4–6 weeks

What other solar supports are available in Donegal?

0% VAT

Residential solar installations are zero-rated for VAT since May 2023. On a €7,000 system in Donegal, this saves approximately €945 compared to the old 13.5% rate.

Feed-in Tariff

A 4 kWp system in Donegal exports approximately 1,471 kWh/year to the grid, earning around €279/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 Donegal

Full county guide — local data, installers, and town-level info.

Installers in Donegal

Browse SEAI-registered solar installers covering Donegal.

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 Donegal

How much is the SEAI solar grant in Donegal?

The SEAI grant in Donegal 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 Donegal. 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 Donegal?

A 4 kWp system in Donegal has an estimated payback of 5.7 years. This is based on 3,268 kWh annual generation, €908 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 Donegal?

A 4 kWp system in Donegal saves approximately €908 per year — €629 from reduced electricity bills and €279 from exporting surplus to the grid. Over 25 years, that's a net return of approximately €17,500.

How does Donegal compare to other counties for solar?

Donegal generates 817 kWh per kWp installed, which is 7.6% below the national average of 884 kWh/kWp, ranking #26 out of 26 counties. 1,175 sunshine hours and 1,100mm rainfall per year.

Do I qualify for the SEAI grant in Donegal?

If your home in Donegal 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 Donegal?

A 4 kWp system in Donegal generates 3,268 kWh/year. Approximately 45% (1,471 kWh) is exported to the grid, earning around €279/year at current feed-in rates. The first €400/year of export income is tax-free.

Sources

Claim Your SEAI Grant in Donegal

Get a free, no-obligation quote from SEAI-registered installers covering Donegal.

Get a Free Solar Quote in Donegal

Find out how much you could save with solar panels.

No obligation. SEAI grant eligible. 0% VAT on residential installs.