Solar Panels in Knockboy, Co. Waterford
Knockboy, in rural Co. Waterford, receives 1,465+ sunshine hours per year — among the highest in Ireland. A 4kWp system generates approximately 3,796 kWh annually, covering 90% of average household electricity use and saving an estimated €1139+ 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.
How much solar energy can you generate in Knockboy?
Solar Yield
4kWp Output
Sunshine
Est. Savings
Household Coverage
Eircode Area
Dist. to Waterford
Location
Based on county-level solar data for Waterford. Actual output varies by roof orientation, shading, and system specification.
Solar Power in Knockboy, Co. Waterford
Knockboy is a rural area in Co. Waterford. It is located away from Waterford (51.6 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Knockboy is T56 — you'll need your full Eircode when applying for the SEAI grant. Co. Waterford ranks #2 in Ireland for solar yield, making Knockboy an excellent location for solar panels.
Advantages of Solar Energy for Knockboy Homeowners
Save on Electricity Bills
Homeowners in Knockboy can save an estimated €1139+ per year on electricity with a 4kWp solar system generating 3,796 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.
Top Solar County in Ireland
Co. Waterford ranks #2 in Ireland for solar yield with 949 kWh/kWp. Homes in Knockboy benefit from some of the best solar conditions in the country.
25+ Year Lifespan
A system installed in Knockboy today will generate clean electricity for 25-30 years with minimal maintenance.
What SEAI grants can Knockboy homeowners claim?
Homeowners in Knockboy, Co. Waterford 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 Waterford
SEAI registered solar panel installers covering Waterford.
Solar Panels in Areas Near Knockboy
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Common Questions About Going Solar in Knockboy
How much do solar panels cost in Knockboy?
A 4kWp system in Knockboy 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 3,796 kWh/year, paying for itself in 4-6 years.
How much electricity will solar panels generate in Knockboy?
Based on Waterford county data, a 4kWp system in Knockboy generates approximately 3,796 kWh per year — covering 90% of average household use (4,200 kWh/year). Waterford receives around 1,465 sunshine hours annually.
Are solar panels worth it in Knockboy?
Yes. With estimated savings of €1139+ per year, the €1,800 SEAI grant, 0% VAT, and export income of 15-25c/kWh, a solar system in Knockboy pays for itself in 4-6 years and lasts 25+ years.
How do I get the SEAI grant in Knockboy?
Apply online at seai.ie with your MPRN and Eircode. Use an SEAI-registered installer. Do not start work before your Letter of Offer. After installation, complete a BER assessment. The grant is paid to your bank within 4-6 weeks.
How long does solar panel installation take?
A typical residential installation takes 1-2 days. This includes scaffolding, mounting the panels, wiring, inverter installation, and connecting to the grid. Your installer handles the ESB Networks notification (NC6 form).
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.
Sources
Last updated: February 2026
Reviewed by the Solar Info editorial team. Editorial policy
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