Solar Panels in Mulranny, Co. Mayo
Mulranny is a village in Co. Mayo with a population of around 315. Located 35 km from Castlebar, the area has a solar yield of 738 kWh/kWp. A 4kWp solar system generates approximately 2,952 kWh annually, saving an estimated €886+ per year. The SEAI grant of up to €1,800 and 0% VAT bring the net cost to €3,200–€6,200.
Mulranny solar irradiance and generation figures
| Solar Metric | Value |
|---|---|
| Solar Yield | 738 kWh/kWp |
| 4kWp System Output | 2,952 kWh/yr |
| Sunshine Hours | 1,105 hrs/yr |
| Est. Annual Savings | €886+ |
| Household Coverage | 70% of avg use |
Solar yield calculated for Mulranny (53.91°N, 9.77°W) using PVGIS satellite data. Actual output varies by roof orientation, shading, and system specification.
Monthly Solar Output in Mulranny
kWh per month (4kWp system)
Mulranny at a Glance
| Area Data | Value |
|---|---|
| Population | 315 (Census 2022) |
| Households | 105 |
| Houses/Bungalows | 99% of dwellings |
| Owner-Occupied | 56% |
| Built Before 2000 | 82% |
| Avg. Rooms per Home | 5.3 |
| Elevation | 14 metres |
| Eircode Area | F28 |
| Dist. to Castlebar | 35 km |
| Location | Inland |
| Coordinates | 53.9074°N, 9.7701°W |
Population and housing data: CSO Census 2022. Weather data: Met Eireann (Newport, 13 km).
Weather & Climate in Mulranny
Weather data from Met Eireann (Newport station, 13 km from Mulranny). 5-year average (2019–2023).
Solar Suitability in Mulranny
99% of dwellings in Mulranny are houses or bungalows, making the area highly suited for rooftop solar panels. 56% of homes are owner-occupied — homeowners can apply directly for the SEAI grant. 82% of homes were built before 2000, qualifying for the SEAI solar grant (homes built and occupied before 2021 are eligible).
Renewable Energy Potential in Mulranny
Mulranny is a village in Co. Mayo with a population of 315 (CSO Census 2022). It is accessible from Castlebar (35 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Mulranny is F28. You'll need your full Eircode when applying for the SEAI grant. According to the 2022 Census, Mulranny has 105 households, of which 99% are houses or bungalows — well suited for rooftop solar panels. Based on satellite data for this location, a 4kWp solar system generates approximately 2,952 kWh per year (738 kWh/kWp). The area has higher rainfall (1785 mm/yr), with a mean temperature of 10.9°C.
Why Go Solar in Mulranny?
Save on Electricity Bills
Homeowners in Mulranny can save an estimated €886+ 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 Mulranny, 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 Mulranny today will generate clean electricity for 25-30 years with minimal maintenance.
SEAI Solar Grant for Mulranny Residents
Homeowners in Mulranny, 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 Mulranny
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Mulranny solar panel questions answered
How much do solar panels cost in Mulranny?
A 4kWp system in Mulranny 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 maintenance do solar panels need?
Solar panels need very little maintenance. Rain keeps them clean in most cases. There are no moving parts. Your inverter may need replacing once in 25 years (10-15 year lifespan). Annual visual checks and occasional cleaning if near trees is all that's needed.
Do solar panels increase property value in Mulranny?
Yes. Solar panels improve your BER rating and can increase property value by up to 4%. Buyers increasingly look for energy-efficient homes with lower running costs. A solar system in Mulranny is a long-term investment in your property.
Can I sell excess solar electricity?
Yes. Under Ireland's Microgeneration Support Scheme, you sell surplus electricity at 15-25c/kWh. You need a smart meter (ESB Networks installs free). The first €400/year of export income is tax-free.
What roof direction is best for solar panels in Mulranny?
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.
What is the payback period for solar panels in Mulranny?
With a net cost of €3,200-€6,200 after the SEAI grant and savings of €886+ per year plus export income, a typical solar system in Mulranny 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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