Solar Panels in Knockvicar, Co. Roscommon
Knockvicar, in rural Co. Roscommon, receives 1,200+ sunshine hours per year — ideal conditions for solar energy. A 4kWp system generates approximately 3,468 kWh annually, covering 83% of average household electricity use and saving an estimated €1040+ per year. With the SEAI grant of up to €1,800 and 0% VAT, the net cost is €3,200–€6,200 with payback in 4–6 years.
What is the solar potential in Knockvicar?
Solar Yield
4kWp Output
Sunshine
Est. Savings
Household Coverage
Eircode Area
Dist. to Roscommon
Location
Based on county-level solar data for Roscommon. Actual output varies by roof orientation, shading, and system specification.
About Solar Energy in Knockvicar
Knockvicar is a community in Co. Roscommon. It is accessible from Roscommon (41.4 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Knockvicar is F25 — you'll need your full Eircode when applying for the SEAI grant.
Benefits of Solar Panels in Knockvicar
Save on Electricity Bills
Homeowners in Knockvicar can save an estimated €1040+ per year on electricity with a 4kWp solar system generating 3,468 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 Knockvicar, 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 Knockvicar today will generate clean electricity for 25-30 years with minimal maintenance.
Government Support for Solar in Knockvicar
Homeowners in Knockvicar, Co. Roscommon 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 Roscommon
SEAI registered solar panel installers covering Roscommon.
Where can you find solar installers near Knockvicar?
Also serving nearby areas in Roscommon:
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Browse SEAI-registered installers covering Knockvicar and all of Roscommon.
Solar Panel FAQs for Knockvicar
How much do solar panels cost in Knockvicar?
A 4kWp system in Knockvicar 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 3,468 kWh/year, paying for itself in 4-6 years.
How much electricity will solar panels generate in Knockvicar?
Based on Roscommon county data, a 4kWp system in Knockvicar generates approximately 3,468 kWh per year — covering 83% of average household use (4,200 kWh/year). Roscommon receives around 1,200 sunshine hours annually.
Are solar panels worth it in Knockvicar?
Yes. With estimated savings of €1040+ per year, the €1,800 SEAI grant, 0% VAT, and export income of 15-25c/kWh, a solar system in Knockvicar pays for itself in 4-6 years and lasts 25+ years.
Is my roof suitable for solar panels in Knockvicar?
Most roofs are suitable. You need at least 15-20 m² of unshaded roof space for a typical 4kWp system (10 panels). South, east, or west-facing roofs work well. Your installer will assess your roof's orientation, angle, and structural suitability during a site survey.
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.
Do I need planning permission for solar panels?
Most residential solar installations are exempt from planning permission, provided panels don't project more than 15cm from the roof and don't cover more than 50% of total roof area.
Sources
Last updated: February 2026
Reviewed by the Solar Info editorial team. Editorial policy
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