Solar Panels in Achill, Co. Mayo
Achill is a village in Co. Mayo with a population of around 400. Located 51.2 km from Castlebar, the area has a solar yield of 776 kWh/kWp. A 4kWp solar system generates approximately 3,104 kWh annually, saving an estimated €931+ 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 Achill?
| Solar Metric | Value |
|---|---|
| Solar Yield | 776 kWh/kWp |
| 4kWp System Output | 3,104 kWh/yr |
| Sunshine Hours | 1,105 hrs/yr |
| Est. Annual Savings | €931+ |
| Household Coverage | 74% of avg use |
Solar yield calculated for Achill (53.95°N, 10.01°W) using PVGIS satellite data. Actual output varies by roof orientation, shading, and system specification.
Monthly Solar Output in Achill
kWh per month (4kWp system)
Achill at a Glance
| Area Data | Value |
|---|---|
| Population | 400 (Census 2022) |
| Elevation | 75 metres |
| Eircode Area | F28 |
| Dist. to Castlebar | 51.2 km |
| Location | Inland |
| Coordinates | 53.9522°N, 10.0094°W |
Population and housing data: CSO Census 2022. Weather data: Met Eireann (Newport, 28.7 km).
Weather & Climate in Achill
Weather data from Met Eireann (Newport station, 28.7 km from Achill). 5-year average (2019–2023).
Achill and Renewable Energy
Achill is a village in Co. Mayo with a population of 400 (CSO Census 2022). It is located away from Castlebar (51.2 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Achill is F28. You'll need your full Eircode when applying for the SEAI grant. Based on satellite data for this location, a 4kWp solar system generates approximately 3,104 kWh per year (776 kWh/kWp). The area has higher rainfall (1785 mm/yr), with a mean temperature of 10.9°C.
What Achill homeowners gain from solar
Save on Electricity Bills
Homeowners in Achill can save an estimated €931+ per year on electricity with a 4kWp solar system generating 3,364 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 Achill, 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 Achill today will generate clean electricity for 25-30 years with minimal maintenance.
How to claim the SEAI grant in Achill
Homeowners in Achill, Co. Mayo 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 Mayo
SEAI registered solar panel installers covering Mayo.
Top Rated Solar Installers Near Achill
Read verified reviews from solar panel installers serving Achill, Co. Mayo.
Towns near Achill for solar installation
Also serving nearby areas in Mayo:
Find Solar Installers in Mayo
Browse SEAI-registered installers covering Achill and all of Mayo.
Frequently Asked Questions About Solar Panels in Achill
How much do solar panels cost in Achill?
A 4kWp system in Achill 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 3,364 kWh/year, paying for itself in 4-6 years.
What is a BER assessment and do I need one?
A Building Energy Rating (BER) assessment is required after installing solar panels to claim the SEAI grant. A BER assessor visits your home and rates its energy efficiency from A1 to G. Solar panels typically improve your BER by 1-2 grades. The assessment costs around €150-€200.
What roof direction is best for solar panels in Achill?
South-facing roofs produce the most electricity (100% of potential). South-east and south-west roofs produce around 95%. East or west-facing roofs still produce 80-85%. North-facing roofs are generally not recommended for solar panels in Ireland.
How much electricity will solar panels generate in Achill?
Based on Mayo county data, a 4kWp system in Achill generates approximately 3,364 kWh per year, covering 74% of average household use (4,200 kWh/year). Mayo receives around 1,105 sunshine hours annually.
What happens to my solar panels if I move house in Achill?
Solar panels stay with the property as a permanent fixture. They add value to your home for the next buyer. The SEAI grant does not need to be repaid if you sell. Your installer can transfer monitoring accounts to the new owner.
How long does solar panel installation take?
A typical residential installation takes 1-2 days. This includes scaffolding, mounting the panels, wiring, inverter installation, and connecting to the grid. Your installer handles the ESB Networks notification (NC6 form).
Can I add a battery to my solar system?
Yes. A home battery (typically 5-10 kWh) stores excess solar electricity for evening use. This increases your self-consumption from around 30-40% to 60-80%. Batteries currently cost €3,000-€6,000 and are not yet covered by the SEAI grant.
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
Get a Free Solar Quote in Achill
Connect with SEAI-registered installers covering Achill, Co. Mayo.