CMC Electrical Contracting Ltd / Duffy Solar SEAI Registered Solar PV Installer in Mayo
Contact: Ciaran Mc Caul
Grant figures confirmed against SEAI
SEAI-registered CMC Electrical Contracting Ltd / Duffy Solar Serving Mayo and Surrounding Areas
CMC Electrical Contracting Ltd / Duffy Solar is an SEAI-registered solar PV installer based in Mayo, covering Castlebar, Ballina and homeowners across the county. Registered with SEAI for solar pv panels, they can carry out grant-eligible work and process your SEAI grant application directly, so you deal with the installer rather than a middleman.
Based in Mayo, CMC Electrical Contracting Ltd / Duffy Solar serves homeowners across the county including Castlebar, Westport, Ballina, Claremorris, Knock, Belmullet, Crossmolina and Swinford. Whether you are in Castlebar, Ballina or anywhere across Mayo, get in touch to discuss your renewable heating project.
Renewable heating upgrades supported by the SEAI grant scheme are open to homeowners right across Mayo, whether you are replacing an ageing oil or gas boiler, adding solar, or planning a full home energy upgrade.
Send CMC Electrical Contracting Ltd / Duffy Solar an enquiry
Describe your job once. It goes straight to CMC Electrical Contracting Ltd / Duffy Solar, an SEAI-registered installer in Mayo — no lead-selling, no middleman.
CMC Electrical Contracting Ltd / Duffy Solar, Common Questions
Is CMC Electrical Contracting Ltd / Duffy Solar SEAI-registered?
Yes. CMC Electrical Contracting Ltd / Duffy Solar appears on the official SEAI registered contractor database for solar PV panel installation in Mayo, which is what allows them to carry out grant-eligible installations and process your SEAI grant application.
How do I get a quote from CMC Electrical Contracting Ltd / Duffy Solar?
Contact CMC Electrical Contracting Ltd / Duffy Solar directly using the phone number on this page. Nothing goes through us, there is no booking fee, and your details are not passed to anyone else or sold on.
What areas does CMC Electrical Contracting Ltd / Duffy Solar cover?
CMC Electrical Contracting Ltd / Duffy Solar is based in Mayo and takes work across the county, including Castlebar, Westport, Ballina, Claremorris, Knock, Belmullet, Crossmolina and Swinford. Most installers cover their whole county rather than one town, so it is worth confirming your own address when you call.
Should anything be done before the installation?
Insulation comes first on any home energy upgrade. A well-sealed house needs a smaller system and runs at a lower cost, and attic and wall insulation carry SEAI grants of their own. Ask about the fabric of the house when you speak to CMC Electrical Contracting Ltd / Duffy Solar.
What grant can I claim on work by CMC Electrical Contracting Ltd / Duffy Solar?
Because they are on the SEAI register, work carried out by CMC Electrical Contracting Ltd / Duffy Solar is grant-eligible. SEAI pays up to €1,800 for solar panels as of July 2026. The installer applies on your behalf and you pay the balance after the grant is deducted.
Does my home in Mayo qualify for a grant?
A home built and occupied before 2021 usually qualifies. Housing across Mayo varies a lot, so the survey decides rather than the county. A registered installer confirms eligibility during a free survey before anything is committed.
The Other Trades a Mayo Retrofit Needs
A renewable heating upgrade rarely happens on its own, and the order the work goes in decides what it costs. These are SEAI-registered trades covering Mayo on our sister sites, each one worth lining up before the heating work starts rather than after.
- While the scaffolding is up Roofers in Mayo If external wall insulation is going on, the scaffolding is already up and paid for. That is the cheapest time to deal with the roof, and solar panels want a sound roof under them.
- Alongside the installation Electricians in Mayo A heat pump needs its own supply and isolator, and solar panels need the inverter tied into the consumer unit and the ESB notification handled. Both are electrician work.
This Installer Can Process Your SEAI Grant
CMC Electrical Contracting Ltd / Duffy Solar is registered with SEAI, which means they can manage your grant application as part of the installation process. The SEAI heat pump grant covers up to €12,500 (as of July 2026) of the installation cost. You pay the net amount after the grant is deducted, and your installer handles the paperwork.