Key Solar Data for Galway
Solar Potential in Galway
Galway and the west of Ireland have solid solar potential with coastal conditions. Galway benefits from Republic of Ireland’s strongest solar resource in the south. The data below is based on long-term irradiance and sunshine records for the region and is used to size systems and estimate production. Values are representative of the greater Galway area and may vary slightly by microclimate.
Galway's high solar irradiance and abundant sunlight make it an excellent location for rooftop solar panels. Summer months (May–August) typically deliver around 60% of annual output, with usable generation year-round. A typical solar panel system in Galway can produce significant energy savings and reduce electricity bills over time, with many systems achieving payback within 4–6 years. SEAI grants can shorten payback further.
Typical Solar Galway Performance for Buildings
Based on common building types and roof configurations for solar Galway. Across residential, commercial, and light industrial, these figures give a realistic range for system sizing and financial returns.
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