Solar Panels in Offaly
County Offaly generates 881 kWh per kWp, close to the national average. Offaly saw the second-fastest growth in Ireland during 2024, with installations up 46% year-on-year to 499 grants awarded. A 4kWp system produces approximately 3,524 kWh annually, and the flat bogland terrain across much of the county provides good solar exposure with minimal shading.
What is the solar energy potential in Offaly?
Solar Yield
4kWp Output
Sunshine
Rainfall
Household Coverage
National Rank
SEAI Installs
Why Install Solar Panels in Offaly?
Save on Electricity Bills
A 4kWp solar system in Offaly generates approximately 3,524 kWh per year, covering 84% of average household use and saving an estimated €1057+ annually.
SEAI Grant — Up to €1,800
Get up to €1,800 back from SEAI for your solar installation. The grant is available for homes built and occupied before 2021. No means testing — it's property-based.
0% VAT Saves ~€1,000
Since May 2023, residential solar panel installations are zero-rated for VAT. This saves approximately €1,000 on a typical installation compared to the old 13.5% rate.
Earn from Excess Energy
Sell surplus electricity back to the grid at 15-25c/kWh through Ireland's Microgeneration Support Scheme. The first €400/year of export income is tax-free.
Increase Property Value
Solar panels improve your BER rating and can increase your property value by up to 4%. Buyers increasingly look for energy-efficient homes with lower running costs.
25+ Year Lifespan
Modern solar panels last 25-30 years with minimal maintenance. In Offaly, a typical system pays for itself in 4-6 years, leaving 20+ years of near-free electricity.
What SEAI solar grants are available in Offaly?
The Sustainable Energy Authority of Ireland (SEAI) offers grants for homeowners in Offaly to install solar PV panels. The grant was confirmed at €1,800 maximum for 2026. In 2024, 499 homes in Offaly received SEAI solar grants.
| 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 |
Net costs include 0% VAT. Actual costs vary by installer and roof type. All prices are after SEAI grant deduction.
Solar Installers in Offaly
SEAI registered solar panel installers covering Offaly.
Where can you find solar panels in Offaly?
Find solar panel information for 43 towns and villages across Offaly. Click any location for local details.
Find Solar Installers in Offaly
Browse SEAI-registered solar panel installers covering Offaly. Compare reviews and get quotes.
Frequently Asked Questions About Solar Panels in Offaly
How much do solar panels cost in Offaly?
A typical 4kWp solar panel system in Offaly costs between €5,000-€8,000 before the SEAI grant. After the €1,800 grant and with 0% VAT, the net cost is typically €3,200-€6,200. The system generates approximately 3,524 kWh per year, paying for itself in 4-6 years.
How much electricity will solar panels generate in Offaly?
Offaly receives approximately 1,240 sunshine hours per year, ranking #16 out of 26 counties for solar potential. A standard 4kWp system generates around 3,524 kWh annually — covering 84% of average household electricity consumption (4,200 kWh/year).
Are solar panels worth it in Offaly?
Yes. At 881 kWh per kWp, solar panels in Offaly generate significant returns. With the €1,800 SEAI grant, 0% VAT, and electricity savings of approximately €1057+ per year plus export income, a typical system pays for itself in 4-6 years and lasts 25+ years.
Does Offaly get enough sun for solar panels?
Ireland receives enough solar radiation for panels to work effectively year-round. Offaly gets around 1,240 sunshine hours per year with approximately 975mm of annual rainfall. Solar panels also generate electricity on cloudy days — just at reduced output. Germany, which has similar sunshine levels to Ireland, is one of the world's largest solar markets.
How long does solar panel installation take?
Most residential installations are completed in 1-2 days. The full process — from SEAI grant application to completed installation — typically takes 4-8 weeks. You must receive your SEAI Letter of Offer before any work begins.
Do I need planning permission for solar panels?
Most residential installations are exempt from planning permission, provided panels don't project more than 15cm from the roof surface and don't cover more than 50% of total roof area. Listed buildings and conservation areas may require permission.
Can I sell excess electricity back to the grid?
Yes. Under Ireland's Microgeneration Support Scheme, you sell surplus electricity at 15-25c per kWh depending on your supplier. You need a smart meter (ESB Networks installs these for free). The first €400/year of export income is tax-free.
How do I apply for the SEAI solar grant in Offaly?
Apply online at seai.ie. You need an SEAI-registered installer, your MPRN (from your electricity bill), and your Eircode. Do not start work before receiving your Letter of Offer. After installation, a BER assessment is required. The grant is paid directly to your bank account within 4-6 weeks.
Ready to Go Solar in Offaly?
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