Solar Panels in Knocklong, Co. Limerick
Knocklong is a village in Co. Limerick with a population of around 229. Located 29.1 km from Limerick, the area receives 1,281+ sunshine hours per year. A 4kWp solar system generates approximately 3,476 kWh annually — saving an estimated €1043+ per year. The SEAI grant of up to €1,800 and 0% VAT bring the net cost to €3,200–€6,200.
Knocklong solar yield and performance data
Solar Yield
4kWp Output
Sunshine
Est. Savings
Household Coverage
Population
Eircode Area
Dist. to Limerick
Location
Based on county-level solar data for Limerick. Actual output varies by roof orientation, shading, and system specification.
Knocklong and Renewable Energy
Knocklong is a village in Co. Limerick with a population of 229 (CSO Census 2022). It is accessible from Limerick (29.1 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Knocklong is R51 — you'll need your full Eircode when applying for the SEAI grant.
Why Go Solar in Knocklong?
Save on Electricity Bills
Homeowners in Knocklong can save an estimated €1043+ per year on electricity with a 4kWp solar system generating 3,476 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 Knocklong today will generate clean electricity for 25-30 years with minimal maintenance.
SEAI Solar Grant for Knocklong Residents
Homeowners in Knocklong, Co. Limerick 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 Limerick
SEAI registered solar panel installers covering Limerick.
Nearby Towns Also Served
Also serving nearby areas in Limerick:
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Frequently Asked Questions About Solar Panels in Knocklong
How much do solar panels cost in Knocklong?
A 4kWp system in Knocklong 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 3,476 kWh/year, paying for itself in 4-6 years.
How much electricity will solar panels generate in Knocklong?
Based on Limerick county data, a 4kWp system in Knocklong generates approximately 3,476 kWh per year — covering 83% of average household use (4,200 kWh/year). Limerick receives around 1,281 sunshine hours annually.
Are solar panels worth it in Knocklong?
Yes. With estimated savings of €1043+ per year, the €1,800 SEAI grant, 0% VAT, and export income of 15-25c/kWh, a solar system in Knocklong pays for itself in 4-6 years and lasts 25+ years.
Can I add a battery to my solar system?
Yes. A home battery (typically 5-10 kWh) stores excess solar electricity for evening use. This increases your self-consumption from around 30-40% to 60-80%. Batteries currently cost €3,000-€6,000 and are not yet covered by the SEAI grant.
Do solar panels work in winter in Limerick?
Yes, solar panels generate electricity all year round. While output is lower in winter, Limerick still receives usable daylight hours even in December. Annual generation figures (3,476 kWh for a 4kWp system) already account for seasonal variation.
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.
Sources
Last updated: February 2026
Reviewed by the Solar Info editorial team. Editorial policy
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