Solar Panels in Knockraha, Co. Cork
Knockraha is a small town in Co. Cork with a population of around 517. Located 13.1 km from Cork City, the area has a solar yield of 907 kWh/kWp. A 4kWp solar system generates approximately 3,628 kWh annually, saving an estimated €1088+ per year. The SEAI grant of up to €1,800 and 0% VAT bring the net cost to €6,500–€7,200.
What is the solar potential in Knockraha?
| Solar Metric | Value |
|---|---|
| Solar Yield | 907 kWh/kWp |
| 4kWp System Output | 3,628 kWh/yr |
| Sunshine Hours | 1,503 hrs/yr |
| Est. Annual Savings | €1088+ |
| Household Coverage | 86% of avg use |
Based on county-level solar data for Cork. Actual output varies by roof orientation, shading, and system specification.
Knockraha at a Glance
| Area Data | Value |
|---|---|
| Population | 517 (Census 2022) |
| Houses/Bungalows (Co. Cork avg.) | 100% of dwellings |
| Owner-Occupied (Co. Cork avg.) | 87% |
| Built Before 2000 (Co. Cork avg.) | 19% |
| Avg. Rooms per Home (Co. Cork avg.) | 6.9 |
| Elevation | 140 metres |
| Eircode Area | T56 |
| Dist. to Cork City | 13.1 km |
| Location | Inland |
| Coordinates | 51.9741°N, 8.3292°W |
Population and housing data: CSO Census 2022. Weather data: Met Eireann (Cork Airport, 17.8 km).
Weather & Climate in Knockraha
Weather data from Met Eireann (Cork Airport station, 17.8 km from Knockraha). 5-year average (2019–2023).
Solar Suitability in Knockraha
Across Co. Cork, 100% of dwellings are houses or bungalows, making the area highly suited for rooftop solar panels. 87% of homes are owner-occupied — homeowners can apply directly for the SEAI grant.
Solar Power in Knockraha, Co. Cork
Knockraha is a small town in Co. Cork with a population of 517 (CSO Census 2022). It is a short drive from Cork City (13.1 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Knockraha is T56. You'll need your full Eircode when applying for the SEAI grant. Across the wider Cork area, 100% of dwellings are houses or bungalows and 87% are owner-occupied (Census 2022). Homeowners in Knockraha with a south, east, or west-facing roof are well positioned for solar panels. The area receives around 1,380 sunshine hours annually, allowing a 4kWp solar system to generate approximately 3,628 kWh per year. The area has higher rainfall (1319 mm/yr), with a mean temperature of 10.4°C.
Advantages of Solar Energy for Knockraha Homeowners
Save on Electricity Bills
Homeowners in Knockraha can save an estimated €1088+ per year on electricity with a 4kWp solar system generating 3,628 kWh annually.
Top Solar County in Ireland
Co. Cork ranks #6 in Ireland for solar yield with 907 kWh/kWp. Homes in Knockraha benefit from some of the best solar conditions in the country.
25+ Year Lifespan
A system installed in Knockraha today will generate clean electricity for 25-30 years with minimal maintenance.
Solar grants available in Knockraha
Homeowners in Knockraha, Co. Cork 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.
318 SEAI-registered solar installers serve Knockraha, Co. Cork. Compare installers in Cork or read verified reviews.
Solar Installers Serving Knockraha
SEAI registered solar panel installers covering Knockraha, Co. Cork.
Padraig Burns Electrical Services
carlow, cavan, clare +23 more
Goodship Electrical Contractors
carlow, cavan, clare +23 more
Renewable Energy Centre
cork, kerry, limerick
Top Rated Solar Installers Near Knockraha
Read verified reviews from solar panel installers serving Knockraha, Co. Cork.
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Your solar questions for Knockraha
How much do solar panels cost in Knockraha?
A 4.4 kWp system in Knockraha 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 3,628 kWh/year, paying for itself in 4-6 years.
Do I need to clean my solar panels?
In most cases, rain keeps solar panels clean enough in Ireland. If your panels are near trees or at a low angle, an annual clean may improve output by 2-5%. Never use abrasive materials. A soft brush and water is sufficient.
What happens to my solar panels if I move house in Knockraha?
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.
Do solar panels increase property value in Knockraha?
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 Knockraha is a long-term investment in your property.
What is the difference between solar PV and solar thermal?
Solar PV panels generate electricity from sunlight. Solar thermal panels heat water directly. For most Irish homes, solar PV is the better investment: it's more versatile, qualifies for the SEAI grant, and you can sell excess electricity. Solar thermal only heats water.
How much electricity will solar panels generate in Knockraha?
Based on Cork county data, a 4kWp system in Knockraha generates approximately 3,628 kWh per year, covering 86% of average household use (4,200 kWh/year). Cork receives around 1,380 sunshine hours annually.
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 Knockraha?
Fully off-grid setups are rare in Knockraha. 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: August 2026
Fact-checked by John Rooney, Solar Energy Editor. Editorial policy
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