Solar Panels in Castleplunket, Co. Roscommon
Castleplunket, 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.
Castleplunket solar yield and performance data
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.
Castleplunket and Renewable Energy
Castleplunket is a community in Co. Roscommon. It is a short drive from Roscommon (17.1 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Castleplunket is F26 — you'll need your full Eircode when applying for the SEAI grant.
Why Go Solar in Castleplunket?
Save on Electricity Bills
Homeowners in Castleplunket 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.
Increase Property Value
Solar panels improve your BER rating and can add up to 4% to your property value.
25+ Year Lifespan
A system installed in Castleplunket today will generate clean electricity for 25-30 years with minimal maintenance.
SEAI Solar Grant for Castleplunket Residents
Homeowners in Castleplunket, 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.
Nearby Towns Also Served
Also serving nearby areas in Roscommon:
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Frequently Asked Questions About Solar Panels in Castleplunket
How much do solar panels cost in Castleplunket?
A 4kWp system in Castleplunket 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 Castleplunket?
Based on Roscommon county data, a 4kWp system in Castleplunket 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 Castleplunket?
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 Castleplunket pays for itself in 4-6 years and lasts 25+ 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.
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).
What is the payback period for solar panels in Castleplunket?
With a net cost of €3,200-€6,200 after the SEAI grant and savings of €1040+ per year plus export income, a typical solar system in Castleplunket pays for itself in 4-6 years. After payback, you get 20+ years of near-free electricity.
Sources
Last updated: February 2026
Reviewed by the Solar Info editorial team. Editorial policy
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