Solar Panels in Blacksod, Co. Mayo
Blacksod is a village in Co. Mayo with a population of around 400. Located 63 km from Castlebar, the area has a solar yield of 841 kWh/kWp. A 4kWp solar system generates approximately 3,364 kWh annually, saving an estimated €1009+ per year. The SEAI grant of up to €1,800 and 0% VAT bring the net cost to €6,500–€7,200.
How productive are solar panels in Blacksod?
| Solar Metric | Value |
|---|---|
| Solar Yield | 841 kWh/kWp |
| 4kWp System Output | 3,364 kWh/yr |
| Sunshine Hours | 1,105 hrs/yr |
| Est. Annual Savings | €1009+ |
| Household Coverage | 80% of avg use |
Based on county-level solar data for Mayo. Actual output varies by roof orientation, shading, and system specification.
Blacksod at a Glance
| Area Data | Value |
|---|---|
| Population | 400 (Census 2022) |
| Elevation | 5 metres |
| Eircode Area | F28 |
| Dist. to Castlebar | 63 km |
| Location | Inland |
| Coordinates | 54.1003°N, 10.0703°W |
Population and housing data: CSO Census 2022. Weather data: Met Eireann (Belmullet, 14.8 km).
Weather & Climate in Blacksod
Weather data from Met Eireann (Belmullet station, 14.8 km from Blacksod). 5-year average (2019–2023).
About Solar Energy in Blacksod
Blacksod is a village in Co. Mayo with a population of 400 (CSO Census 2022). It is located away from Castlebar (63 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Blacksod is F28. You'll need your full Eircode when applying for the SEAI grant. The area receives around 1,105 sunshine hours annually, allowing a 4kWp solar system to generate approximately 3,364 kWh per year. The area has higher rainfall (1332 mm/yr), with a mean temperature of 10.8°C.
Benefits of Solar Panels in Blacksod
Save on Electricity Bills
Homeowners in Blacksod can save an estimated €1009+ per year on electricity with a 4kWp solar system generating 3,364 kWh annually.
Energy Independence
For homes in rural Blacksod, 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 Blacksod today will generate clean electricity for 25-30 years with minimal maintenance.
Government Support for Solar in Blacksod
Homeowners in Blacksod, Co. Mayo can claim up to €1,800 from the SEAI solar PV grant (2026). Combined with 0% VAT, the net cost of a 4kWp system is typically€6,500–€7,200.
304 SEAI-registered solar installers serve Blacksod, Co. Mayo. Compare installers in Mayo or read verified reviews.
Solar Installers Serving Blacksod
SEAI registered solar panel installers covering Blacksod, Co. Mayo.
Donoghue and O'Neill Electrical Ltd
mayo
MarVal Power Ltd
carlow, cavan, clare +23 more
Churchfield Home Services
mayo, carlow, dublin +14 more
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What Blacksod homeowners ask about solar
How much do solar panels cost in Blacksod?
A 4.4 kWp system in Blacksod typically costs €8,300–€9,000 before grants. After the €1,800 SEAI grant and 0% VAT, the net cost is €6,500–€7,200. The system generates approximately 3,364 kWh/year, paying for itself in 4-6 years.
How does shading affect solar panels in Blacksod?
Shading from trees, chimneys, or nearby buildings can reduce output significantly. Modern systems use optimisers or microinverters so that shading on one panel doesn't drag down the whole system. Your installer will assess shading during the site survey.
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.
How do I get the SEAI grant in Blacksod?
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.
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.
What size solar system do I need for my home in Blacksod?
Most homes in Blacksod benefit from a 3-6 kWp system. A 4kWp system (10 panels) covers 80% of average household electricity use. Your installer will assess your roof space, orientation, and energy usage to recommend the optimal size.
Do I need a smart meter for solar panels?
You need a smart meter to sell surplus electricity back to the grid. ESB Networks installs smart meters for free. Your installer submits the NC6 form to ESB Networks after installation, which triggers the meter upgrade if needed.
Can you go off-grid with solar in Blacksod?
Fully off-grid setups are rare in Blacksod. Most homes stay grid-connected and sell surplus back through the Microgeneration Support Scheme. A hybrid inverter with 10-20 kWh of battery storage covers evenings and power cuts, which is what most people searching "off-grid" actually want. A true off-grid system needs a much larger array and battery bank, and you lose the grant-supported export income.
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: September 2026
Fact-checked by John Rooney, Solar Energy Editor. Editorial policy
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