Solar Panels in Straffan, Co. Kildare
Straffan is a small town in Co. Kildare with a population of around 1,158. Located 11.4 km from Naas, the area receives 1,295+ 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.
Straffan solar yield and performance data
Solar Yield
4kWp Output
Sunshine
Est. Savings
Household Coverage
Population
Eircode Area
Dist. to Naas
Location
Based on county-level solar data for Kildare. Actual output varies by roof orientation, shading, and system specification.
Straffan and Renewable Energy
Straffan is a small town in Co. Kildare with a population of 1,158 (CSO Census 2022). It is a short drive from Naas (11.4 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Straffan is K67 — you'll need your full Eircode when applying for the SEAI grant.
Why Go Solar in Straffan?
Save on Electricity Bills
Homeowners in Straffan 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.
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 Straffan today will generate clean electricity for 25-30 years with minimal maintenance.
SEAI Solar Grant for Straffan Residents
Homeowners in Straffan, Co. Kildare 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 Kildare
SEAI registered solar panel installers covering Kildare.
Nearby Towns Also Served
Also serving nearby areas in Kildare:
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Browse SEAI-registered installers covering Straffan and all of Kildare.
Frequently Asked Questions About Solar Panels in Straffan
How much do solar panels cost in Straffan?
A 4kWp system in Straffan 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 Straffan?
Based on Kildare county data, a 4kWp system in Straffan generates approximately 3,540 kWh per year — covering 84% of average household use (4,200 kWh/year). Kildare receives around 1,295 sunshine hours annually.
Are solar panels worth it in Straffan?
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 Straffan pays for itself in 4-6 years and lasts 25+ years.
Is my roof suitable for solar panels in Straffan?
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.
What size solar system do I need for my home in Straffan?
Most homes in Straffan benefit from a 3-6 kWp system. A 4kWp system (10 panels) covers 84% of average household electricity use. Your installer will assess your roof space, orientation, and energy usage to recommend the optimal size.
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.
Sources
Last updated: February 2026
Reviewed by the Solar Info editorial team. Editorial policy
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