Solar Panels in Castletown Geoghegan, Co. Westmeath
Castletown Geoghegan is a village in Co. Westmeath with a population of around 297. Located 13.4 km from Mullingar, the area receives 1,240+ sunshine hours per year. A 4kWp solar system generates approximately 3,484 kWh annually — saving an estimated €1045+ per year. The SEAI grant of up to €1,800 and 0% VAT bring the net cost to €3,200–€6,200.
Castletown Geoghegan solar yield and performance data
Solar Yield
4kWp Output
Sunshine
Est. Savings
Household Coverage
Population
Eircode Area
Dist. to Mullingar
Location
Based on county-level solar data for Westmeath. Actual output varies by roof orientation, shading, and system specification.
Castletown Geoghegan and Renewable Energy
Castletown Geoghegan is a village in Co. Westmeath with a population of 297 (CSO Census 2022). It is a short drive from Mullingar (13.4 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Castletown Geoghegan is H23 — you'll need your full Eircode when applying for the SEAI grant.
Why Go Solar in Castletown Geoghegan?
Save on Electricity Bills
Homeowners in Castletown Geoghegan can save an estimated €1045+ per year on electricity with a 4kWp solar system generating 3,484 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 Castletown Geoghegan today will generate clean electricity for 25-30 years with minimal maintenance.
SEAI Solar Grant for Castletown Geoghegan Residents
Homeowners in Castletown Geoghegan, Co. Westmeath 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 Westmeath
SEAI registered solar panel installers covering Westmeath.
Nearby Towns Also Served
Also serving nearby areas in Westmeath:
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Browse SEAI-registered installers covering Castletown Geoghegan and all of Westmeath.
Frequently Asked Questions About Solar Panels in Castletown Geoghegan
How much do solar panels cost in Castletown Geoghegan?
A 4kWp system in Castletown Geoghegan 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 3,484 kWh/year, paying for itself in 4-6 years.
How much electricity will solar panels generate in Castletown Geoghegan?
Based on Westmeath county data, a 4kWp system in Castletown Geoghegan generates approximately 3,484 kWh per year — covering 83% of average household use (4,200 kWh/year). Westmeath receives around 1,240 sunshine hours annually.
Are solar panels worth it in Castletown Geoghegan?
Yes. With estimated savings of €1045+ per year, the €1,800 SEAI grant, 0% VAT, and export income of 15-25c/kWh, a solar system in Castletown Geoghegan pays for itself in 4-6 years and lasts 25+ years.
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.
What size solar system do I need for my home in Castletown Geoghegan?
Most homes in Castletown Geoghegan benefit from a 3-6 kWp system. A 4kWp system (10 panels) covers 83% of average household electricity use. Your installer will assess your roof space, orientation, and energy usage to recommend the optimal size.
How do I get the SEAI grant in Castletown Geoghegan?
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.
Sources
Last updated: February 2026
Reviewed by the Solar Info editorial team. Editorial policy
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