Solar Panels in Rathangan, Co. Offaly
Rathangan, Co. Offaly, receives 1,240+ sunshine hours per year — ideal conditions for solar energy. A 4kWp system generates approximately 3,524 kWh annually, covering 84% of average household electricity use and saving an estimated €1057+ 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.
Rathangan solar yield and performance data
Solar Yield
4kWp Output
Sunshine
Est. Savings
Household Coverage
Population
Eircode Area
Dist. to Tullamore
Location
Based on county-level solar data for Offaly. Actual output varies by roof orientation, shading, and system specification.
Rathangan and Renewable Energy
Rathangan is a town in Co. Offaly with a population of 3,263 (CSO Census 2022). It is accessible from Tullamore (30.3 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Rathangan is H62 — you'll need your full Eircode when applying for the SEAI grant.
Why Go Solar in Rathangan?
Save on Electricity Bills
Homeowners in Rathangan can save an estimated €1057+ per year on electricity with a 4kWp solar system generating 3,524 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 Rathangan, 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 Rathangan today will generate clean electricity for 25-30 years with minimal maintenance.
SEAI Solar Grant for Rathangan Residents
Homeowners in Rathangan, Co. Offaly 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 Offaly
SEAI registered solar panel installers covering Offaly.
Nearby Towns Also Served
Also serving nearby areas in Offaly:
Find Solar Installers in Offaly
Browse SEAI-registered installers covering Rathangan and all of Offaly.
Frequently Asked Questions About Solar Panels in Rathangan
How much do solar panels cost in Rathangan?
A 4kWp system in Rathangan 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 3,524 kWh/year, paying for itself in 4-6 years.
How much electricity will solar panels generate in Rathangan?
Based on Offaly county data, a 4kWp system in Rathangan generates approximately 3,524 kWh per year — covering 84% of average household use (4,200 kWh/year). Offaly receives around 1,240 sunshine hours annually.
Are solar panels worth it in Rathangan?
Yes. With estimated savings of €1057+ per year, the €1,800 SEAI grant, 0% VAT, and export income of 15-25c/kWh, a solar system in Rathangan pays for itself in 4-6 years and lasts 25+ years.
How long do solar panels last?
Modern solar panels are warrantied for 25-30 years and typically last even longer. Panel efficiency degrades by about 0.5% per year — so after 25 years, your panels will still produce around 87% of their original output. Inverters typically last 10-15 years and may need one replacement.
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.
What happens to my solar panels if I move house in Rathangan?
Solar panels stay with the property — they're 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.
Sources
Last updated: February 2026
Reviewed by the Solar Info editorial team. Editorial policy
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