Solar Companies in Ireland

FTH Windows Limited is an Irish roofing, windows, doors, and solar solutions provider. Official partner of Roofit.Solar, Eko-Okna, and Ruukki, offering integrated solar roof systems and sustainable building products.

Pure-play renewable energy developer operating in high-growth markets. Focuses on offshore wind, onshore wind, solar PV, green hydrogen, and hybrid renewable platforms with strategic backing from Aker Horizons and Mitsui.

Kastus develops photocatalytic clean glass technologies for solar panels and other surfaces. Its anti-soiling treatment improves solar panel efficiency, reduces cleaning costs, and provides antimicrobial benefits. The permanent, non-toxic coating is embedded during glass manufacturing.

Civil engineering consultancy specializing in onshore renewable energy projects in Ireland. Provides consulting services for wind and solar developments, including site assessment, planning, grid connection design, and hydraulic engineering.

Irish retrofit and insulation specialist established in 1984, providing attic, cavity wall, external wall and spray foam insulation across all 32 counties. SEAI-registered contractor offering heating, heat pump and solar PV services with over 10,000 completed installations.

Irish chapter of the Association of Energy Engineers, a global non-profit professional society with 17,000 members. Provides networking, education, training, and professional certification programs to advance energy engineering and sustainable development across Ireland.

JW Solar is a small, dedicated Irish solar installation company offering residential and commercial solar PV systems and EV charging solutions. The team provides personalized service and SEAI grant assistance to help homeowners transition to renewable energy.

Ireland's leading provider of whole-house deep retrofit solutions and maintenance services. Delivers residential energy upgrades including insulation, heat pumps, solar systems, and mechanical ventilation across 32 counties.

Rexel Energy Solutions, operating through Kellihers Electrical's 24-branch network across Ireland, supplies electrical products and renewable energy solutions including solar panels, EV chargers, and safety equipment to trade professionals and consumers.

Irish energy and services provider supplying 715,000+ residential and business customers with electricity, gas, heating solutions, and renewable energy services. Offers solar panels, heat pumps, EV chargers, and smart home technology. 100% renewable electricity certified by Commission for Regulation of Utilities.

Ireland's largest renewable energy technology wholesaler and distributor, offering solar panels, energy storage, heat pumps, and EV chargers with next-day delivery. Operates distribution centre in Dublin serving residential and commercial markets.

Irish renewable energy company developing, constructing, and operating wind farms and solar projects. Operating 15% of Ireland's existing wind energy capacity with 20+ years of experience in sustainable energy development.