The SEAI solar panel and battery grant
SEAI pays €700 per kWp for the first 2kWp of panels and €200 per kWp after that, up to €1,800 at 4kWp, plus €600 for a battery of 5kWh or more. What you get, who qualifies and the six steps, for homes in Co. Mayo.
Free, no obligation. One local installer prices it, not five.
- €1,800SEAI grant for the panels
- €1,800SEAI grant for the panels
- 0% VATon solar panels for homes
The grant, by system
Solar Panels Mayo is not SEAI or a government body and does not award grants. This page explains SEAI's rules.
SEAI pays €700 per kWp for the first 2kWp of panels and €200 per extra kWp up to 4kWp, so up to €1,800 for the panels. A battery of 5kWh or more adds a flat €600, so the most a home gets is €2,400.
| System | Panel grant | Battery grant | Total |
|---|---|---|---|
| 1kWp | €700 | – | €700 |
| 2kWp | €1,400 | – | €1,400 |
| 4kWp | €1,800 | – | €1,800 |
| 3kWp + battery | €1,600 | €600 | €2,200 |
| 4kWp + battery | €1,800 | €600 | €2,400 |
Worked out from SEAI's rates. SEAI's own figures: 2kWp gets €1,400, 3kWp €1,600 and 4kWp €1,800, paid pro rata, so 2.5kWp gets €1,500. A battery of 5kWh or more adds a flat €600, so the total is capped at €2,400.
Check these before you apply
You need to own the home, use an SEAI-registered installer, and get your grant offer from SEAI before any work starts. The home must have been built and occupied before 2025 and have an MPRN, SEAI must not have paid for solar panels at that address before, and a BER assessor rates the home after the install.
Six steps, in order
- Pick an SEAI-registered installerGet quotes and sign with one, but don't start any work yet.
- Apply to SEAI for your grant offerWait for the offer before anything is fitted. Offers are valid for eight months.
- Your installer tells ESB NetworksThis takes at least four weeks.
- The panels are fittedUsually in a day. You pay the installer.
- You get a post-works BERA BER assessor rates the home after the install. It's part of the claim.
- The paperwork goes to SEAIYour installer sends it. SEAI pays the grant, allowing up to six weeks, longer if they inspect.
Start work before the offer arrives and you lose the grant.
Questions about the grant
How much is the SEAI solar grant in 2026?
SEAI pays €700 per kWp for the first 2kWp of panels and €200 per extra kWp up to 4kWp, so up to €1,800 for the panels. A battery of 5kWh or more adds a flat €600, so the most a home gets is €2,400.
Who qualifies?
You need to own the home, use an SEAI-registered installer, and get your grant offer from SEAI before any work starts. The home must have been built and occupied before 2025 and have an MPRN, SEAI must not have paid for solar panels at that address before, and a BER assessor rates the home after the install.
Is there a grant for batteries?
Yes. SEAI pays a flat €600 for a battery of 5kWh or more, on top of the panel grant, so panels and a battery get up to €2,400.
Can I get the grant after the panels are fitted?
No. You must have SEAI's grant offer before any work starts.
Is Solar Panels Mayo part of SEAI?
No. Solar Panels Mayo is not SEAI or a government body and does not award grants. This site explains SEAI's published rules and passes your request to one local SEAI-registered installer who covers your area.
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