Solar Panels in Crolly, Co. Donegal
Crolly, Co. Donegal, receives 1,175+ sunshine hours per year — ideal conditions for solar energy. A 4kWp system generates approximately 3,268 kWh annually, covering 78% of average household electricity use and saving an estimated €980+ 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.
What is the solar potential in Crolly?
Solar Yield
4kWp Output
Sunshine
Est. Savings
Household Coverage
Eircode Area
Dist. to Letterkenny
Location
Based on county-level solar data for Donegal. Actual output varies by roof orientation, shading, and system specification.
About Solar Energy in Crolly
Crolly is a community in Co. Donegal. It is accessible from Letterkenny (34.5 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Crolly is F94 — you'll need your full Eircode when applying for the SEAI grant.
Benefits of Solar Panels in Crolly
Save on Electricity Bills
Homeowners in Crolly can save an estimated €980+ per year on electricity with a 4kWp solar system generating 3,268 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 Crolly, 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 Crolly today will generate clean electricity for 25-30 years with minimal maintenance.
Government Support for Solar in Crolly
Homeowners in Crolly, Co. Donegal 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 Donegal
SEAI registered solar panel installers covering Donegal.
Where can you find solar installers near Crolly?
Also serving nearby areas in Donegal:
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Browse SEAI-registered installers covering Crolly and all of Donegal.
Solar Panel FAQs for Crolly
How much do solar panels cost in Crolly?
A 4kWp system in Crolly 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 3,268 kWh/year, paying for itself in 4-6 years.
How much electricity will solar panels generate in Crolly?
Based on Donegal county data, a 4kWp system in Crolly generates approximately 3,268 kWh per year — covering 78% of average household use (4,200 kWh/year). Donegal receives around 1,175 sunshine hours annually.
Are solar panels worth it in Crolly?
Yes. With estimated savings of €980+ per year, the €1,800 SEAI grant, 0% VAT, and export income of 15-25c/kWh, a solar system in Crolly pays for itself in 4-6 years and lasts 25+ years.
What happens during a power cut?
Standard grid-tied solar systems shut down during a power cut for safety reasons (to protect ESB workers). If you need backup power, you can install a hybrid inverter with battery storage that provides power during outages.
Can I sell excess solar electricity?
Yes. Under Ireland's Microgeneration Support Scheme, you sell surplus electricity at 15-25c/kWh. You need a smart meter (ESB Networks installs free). The first €400/year of export income is tax-free.
Is my roof suitable for solar panels in Crolly?
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.
Sources
Last updated: February 2026
Reviewed by the Solar Info editorial team. Editorial policy
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