Solar Panels in Cleggan, Co. Galway
Cleggan is a village in Co. Galway with a population of around 400. Located 76.7 km from Galway, the area has a solar yield of 812 kWh/kWp. A 4kWp solar system generates approximately 3,248 kWh annually, saving an estimated €974+ per year. The SEAI grant of up to €1,800 and 0% VAT bring the net cost to €3,200–€6,200.
How much solar energy can you generate in Cleggan?
| Solar Metric | Value |
|---|---|
| Solar Yield | 812 kWh/kWp |
| 4kWp System Output | 3,248 kWh/yr |
| Sunshine Hours | 1,182 hrs/yr |
| Est. Annual Savings | €974+ |
| Household Coverage | 77% of avg use |
Solar yield calculated for Cleggan (53.56°N, 10.11°W) using PVGIS satellite data. Actual output varies by roof orientation, shading, and system specification.
Monthly Solar Output in Cleggan
kWh per month (4kWp system)
Cleggan at a Glance
| Area Data | Value |
|---|---|
| Population | 400 (Census 2022) |
| Houses/Bungalows (Co. Galway avg.) | 74% of dwellings |
| Owner-Occupied (Co. Galway avg.) | 47% |
| Built Before 2000 (Co. Galway avg.) | 65% |
| Avg. Rooms per Home (Co. Galway avg.) | 5.1 |
| Elevation | 0 metres |
| Eircode Area | H71 |
| Dist. to Galway | 76.7 km |
| Location | Inland |
| Coordinates | 53.5565°N, 10.1107°W |
Population and housing data: CSO Census 2022. Weather data: Met Eireann (Mace Head, 29.1 km).
Weather & Climate in Cleggan
Weather data from Met Eireann (Mace Head station, 29.1 km from Cleggan). 5-year average (2019–2023).
Solar Suitability in Cleggan
Across Co. Galway, 74% of dwellings are houses or bungalows, with good potential for rooftop solar installations. 47% of homes are owner-occupied — homeowners can apply directly for the SEAI grant. 65% of homes were built before 2000, qualifying for the SEAI solar grant (homes built and occupied before 2021 are eligible).
Cleggan and Renewable Energy
Cleggan is a village in Co. Galway with a population of 400 (CSO Census 2022). It is located away from Galway (76.7 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Cleggan is H71. You'll need your full Eircode when applying for the SEAI grant. Across the wider Galway area, 74% of dwellings are houses or bungalows and 47% are owner-occupied (Census 2022). Homeowners in Cleggan with a south, east, or west-facing roof are well positioned for solar panels. Based on satellite data for this location, a 4kWp solar system generates approximately 3,248 kWh per year (812 kWh/kWp). The area has moderate rainfall (1110 mm/yr), with a mean temperature of 11°C.
What Cleggan homeowners gain from solar
Save on Electricity Bills
Homeowners in Cleggan can save an estimated €974+ per year on electricity with a 4kWp solar system generating 3,544 kWh annually.
SEAI Grant: Up to €1,800
Get up to €1,800 back from SEAI. The grant is available for homes built before 2021. No means testing. Apply online at seai.ie.
0% VAT on Installation
Residential solar installations are zero-rated for VAT since May 2023, saving approximately €1,000 on a typical system.
Earn from Excess Energy
Sell surplus electricity at 15-25c/kWh through the Microgeneration Support Scheme. The first €400/year is tax-free.
Energy Independence
For homes in rural Cleggan, solar panels provide energy security and reduced reliance on the grid. Combined with a battery, you can store power for evening use.
25+ Year Lifespan
A system installed in Cleggan today will generate clean electricity for 25-30 years with minimal maintenance.
How to claim the SEAI grant in Cleggan
Homeowners in Cleggan, Co. Galway can apply for the SEAI solar PV grant. The maximum grant of €1,800 is confirmed for 2026.
| System Size | Grant Amount | Typical Net Cost |
|---|---|---|
| 2 kWp | €1,400 | €2,000 - €3,000 |
| 3 kWp | €1,600 | €2,500 - €4,000 |
| 4 kWp+ | €1,800 (max) | €3,200 - €6,200 |
Solar Installers in Galway
SEAI registered solar panel installers covering Galway.
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Frequently Asked Questions About Solar Panels in Cleggan
How much do solar panels cost in Cleggan?
A 4kWp system in Cleggan typically costs €5,000-€8,000 before grants. After the €1,800 SEAI grant and 0% VAT, the net cost is €3,200-€6,200. The system generates approximately 3,544 kWh/year, paying for itself in 4-6 years.
Are solar panels worth it in Cleggan?
Yes. With estimated savings of €974+ per year, the €1,800 SEAI grant, 0% VAT, and export income of 15-25c/kWh, a solar system in Cleggan pays for itself in 4-6 years and lasts 25+ years.
How much electricity will solar panels generate in Cleggan?
Based on Galway county data, a 4kWp system in Cleggan generates approximately 3,544 kWh per year, covering 77% of average household use (4,200 kWh/year). Galway receives around 1,182 sunshine hours annually.
Can I get solar panels on an east or west facing roof in Cleggan?
Yes. East or west-facing roofs still produce 80-85% of the output of a south-facing roof. Many installers recommend splitting panels across east and west to spread generation throughout the day, which can actually improve self-consumption.
How do I get the SEAI grant in Cleggan?
Apply online at seai.ie with your MPRN and Eircode. Use an SEAI-registered installer. Do not start work before your Letter of Offer. After installation, complete a BER assessment. The grant is paid to your bank within 4-6 weeks.
What is the payback period for solar panels in Cleggan?
With a net cost of €3,200-€6,200 after the SEAI grant and savings of €974+ per year plus export income, a typical solar system in Cleggan pays for itself in 4-6 years. After payback, you get 20+ years of near-free electricity.
How long do solar panels last?
Modern solar panels are warrantied for 25-30 years and typically last even longer. Panel efficiency degrades by about 0.5% per year, so after 25 years, your panels will still produce around 87% of their original output. Inverters typically last 10-15 years and may need one replacement.
Sources
- SEAI — Solar Electricity Grant
- SEAI — Find a Registered Professional
- Revenue — 0% VAT on Solar Panels
- PVGIS — EU Joint Research Centre (solar irradiance data)
- CSO — Census of Population 2022
- Met Eireann — Climate Data
Last updated: March 2026
Fact-checked by John Rooney, Solar Energy Editor. Editorial policy
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