Solar Panels in Oldcastle, Co. Meath
Oldcastle is a small town in Co. Meath with a population of around 1,409. Located 34.2 km from Navan, the area receives 1,315+ sunshine hours per year. A 4kWp solar system generates approximately 3,540 kWh annually — saving an estimated €1062+ per year. The SEAI grant of up to €1,800 and 0% VAT bring the net cost to €3,200–€6,200.
How much solar energy can you generate in Oldcastle?
Solar Yield
4kWp Output
Sunshine
Est. Savings
Household Coverage
Population
Eircode Area
Dist. to Navan
Location
Based on county-level solar data for Meath. Actual output varies by roof orientation, shading, and system specification.
Solar Power in Oldcastle, Co. Meath
Oldcastle is a small town in Co. Meath with a population of 1,409 (CSO Census 2022). It is accessible from Navan (34.2 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Oldcastle is A86 — you'll need your full Eircode when applying for the SEAI grant.
Advantages of Solar Energy for Oldcastle Homeowners
Save on Electricity Bills
Homeowners in Oldcastle can save an estimated €1062+ per year on electricity with a 4kWp solar system generating 3,540 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 Oldcastle, 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 Oldcastle today will generate clean electricity for 25-30 years with minimal maintenance.
What SEAI grants can Oldcastle homeowners claim?
Homeowners in Oldcastle, Co. Meath 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 Meath
SEAI registered solar panel installers covering Meath.
Solar Panels in Areas Near Oldcastle
Also serving nearby areas in Meath:
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Browse SEAI-registered installers covering Oldcastle and all of Meath.
Common Questions About Going Solar in Oldcastle
How much do solar panels cost in Oldcastle?
A 4kWp system in Oldcastle 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 3,540 kWh/year, paying for itself in 4-6 years.
How much electricity will solar panels generate in Oldcastle?
Based on Meath county data, a 4kWp system in Oldcastle generates approximately 3,540 kWh per year — covering 84% of average household use (4,200 kWh/year). Meath receives around 1,315 sunshine hours annually.
Are solar panels worth it in Oldcastle?
Yes. With estimated savings of €1062+ per year, the €1,800 SEAI grant, 0% VAT, and export income of 15-25c/kWh, a solar system in Oldcastle 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.
Is my roof suitable for solar panels in Oldcastle?
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 solar panels increase property value in Oldcastle?
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 Oldcastle is a long-term investment in your property.
Sources
Last updated: February 2026
Reviewed by the Solar Info editorial team. Editorial policy
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