Solar Panels in Knockcroghery, Co. Roscommon
Knockcroghery is a village in Co. Roscommon with a population of around 388. Located 8.5 km from Roscommon, the area has a solar yield of 758 kWh/kWp. A 4kWp solar system generates approximately 3,032 kWh annually, saving an estimated €910+ per year. The SEAI grant of up to €1,800 and 0% VAT bring the net cost to €3,200–€6,200.
How much solar energy can you generate in Knockcroghery?
| Solar Metric | Value |
|---|---|
| Solar Yield | 758 kWh/kWp |
| 4kWp System Output | 3,032 kWh/yr |
| Sunshine Hours | 1,200 hrs/yr |
| Est. Annual Savings | €910+ |
| Household Coverage | 72% of avg use |
Solar yield calculated for Knockcroghery (53.58°N, 8.09°W) using PVGIS satellite data. Actual output varies by roof orientation, shading, and system specification.
Monthly Solar Output in Knockcroghery
kWh per month (4kWp system)
Knockcroghery at a Glance
| Area Data | Value |
|---|---|
| Population | 388 (Census 2022) |
| Households | 130 |
| Houses/Bungalows | 98% of dwellings |
| Owner-Occupied | 73% |
| Built Before 2000 | 35% |
| Avg. Rooms per Home | 6.2 |
| Elevation | 50 metres |
| Eircode Area | F42 |
| Dist. to Roscommon | 8.5 km |
| Location | Inland |
| Coordinates | 53.5756°N, 8.0949°W |
Population and housing data: CSO Census 2022. Weather data: Met Eireann (Mt Dillon, 18.4 km).
Weather & Climate in Knockcroghery
Weather data from Met Eireann (Mt Dillon station, 18.4 km from Knockcroghery). 5-year average (2019–2023).
Solar Suitability in Knockcroghery
98% of dwellings in Knockcroghery are houses or bungalows, making the area highly suited for rooftop solar panels. 73% of homes are owner-occupied — homeowners can apply directly for the SEAI grant.
Knockcroghery and Renewable Energy
Knockcroghery is a village in Co. Roscommon with a population of 388 (CSO Census 2022). It is conveniently close to Roscommon (8.5 km), where most SEAI-registered installers in the county are based. The Eircode routing key for Knockcroghery is F42. You'll need your full Eircode when applying for the SEAI grant. According to the 2022 Census, Knockcroghery has 130 households, of which 98% are houses or bungalows — well suited for rooftop solar panels. Based on satellite data for this location, a 4kWp solar system generates approximately 3,032 kWh per year (758 kWh/kWp). The area has moderate rainfall (1171 mm/yr), with a mean temperature of 9.9°C.
What Knockcroghery homeowners gain from solar
Save on Electricity Bills
Homeowners in Knockcroghery can save an estimated €910+ per year on electricity with a 4kWp solar system generating 3,468 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 Knockcroghery today will generate clean electricity for 25-30 years with minimal maintenance.
How to claim the SEAI grant in Knockcroghery
Homeowners in Knockcroghery, Co. Roscommon 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 Roscommon
SEAI registered solar panel installers covering Roscommon.
Top Rated Solar Installers Near Knockcroghery
Read verified reviews from solar panel installers serving Knockcroghery, Co. Roscommon.
Towns near Knockcroghery for solar installation
Also serving nearby areas in Roscommon:
Find Solar Installers in Roscommon
Browse SEAI-registered installers covering Knockcroghery and all of Roscommon.
Frequently Asked Questions About Solar Panels in Knockcroghery
How much do solar panels cost in Knockcroghery?
A 4kWp system in Knockcroghery 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 3,468 kWh/year, paying for itself in 4-6 years.
Do solar panels work in winter in Roscommon?
Yes, solar panels generate electricity all year round. While output is lower in winter, Roscommon still receives usable daylight hours even in December. Annual generation figures (3,468 kWh for a 4kWp system) already account for seasonal variation.
What is the difference between solar PV and solar thermal?
Solar PV panels generate electricity from sunlight. Solar thermal panels heat water directly. For most Irish homes, solar PV is the better investment: it's more versatile, qualifies for the SEAI grant, and you can sell excess electricity. Solar thermal only heats water.
What is a BER assessment and do I need one?
A Building Energy Rating (BER) assessment is required after installing solar panels to claim the SEAI grant. A BER assessor visits your home and rates its energy efficiency from A1 to G. Solar panels typically improve your BER by 1-2 grades. The assessment costs around €150-€200.
Are solar panels worth it in Knockcroghery?
Yes. With estimated savings of €910+ per year, the €1,800 SEAI grant, 0% VAT, and export income of 15-25c/kWh, a solar system in Knockcroghery pays for itself in 4-6 years and lasts 25+ years.
How much electricity will solar panels generate in Knockcroghery?
Based on Roscommon county data, a 4kWp system in Knockcroghery generates approximately 3,468 kWh per year, covering 72% of average household use (4,200 kWh/year). Roscommon receives around 1,200 sunshine hours annually.
What is the Microgeneration Support Scheme?
The Microgeneration Support Scheme allows homeowners to sell surplus solar electricity back to the grid at 15-25c/kWh. You need a smart meter (free from ESB Networks) and a grid-connected system. The first €400/year of export income is tax-free.
Sources
- SEAI — Solar Electricity Grant
- SEAI — Find a Registered Professional
- Revenue — 0% VAT on Solar Panels
- PVGIS — EU Joint Research Centre (solar irradiance data)
- CSO — Census of Population 2022
- Met Eireann — Climate Data
Last updated: March 2026
Fact-checked by John Rooney, Solar Energy Editor. Editorial policy
Get a Free Solar Quote in Knockcroghery
Connect with SEAI-registered installers covering Knockcroghery, Co. Roscommon.