How much energy do solar panels produce in Rathfarnham?

A 5 kWp solar panel system in Rathfarnham, Ireland produces approximately 4,941 kWh per year, based on EU PVGIS data.

How much can you save with solar panels in Rathfarnham?

A 5 kWp system without battery saves approximately €1,152 per year (accounting for 26% self-consumption and feed-in tariff for surplus). The payback period is 5.6 years.

What is the optimal panel angle in Rathfarnham?

The optimal tilt angle for solar panels in Rathfarnham is 42 degrees facing -2 degrees from south.

Solar Panels in Rathfarnham

Ireland · 53.30°N, 6.28°W

Solar Potential

Low

988 kWh per kWp installed capacity

Your Solar Savings Estimate

Configure system size and battery to see realistic savings

Data last updated: March 2026

System Size

Battery Storage

Annual Output

4,941kWh

Net Annual Savings

€1,152

Payback Period

5.6 yrs

25-Year Net

€28,789

Savings Breakdown

Self-consumed (26% of 4,941 kWh)1,285 kWh × 0.370 €/kWh

→ Savings from own usage+€475

Injected to grid (74% of production)3,656 kWh × 0.185 €/kWh

→ Feed-in revenue+€676

Net Annual Savings€1,152

Installation cost (5 kWp × 1,300 €/kWp)€6,500

Ireland Solar Policy

Clean Export Guarantee: €0.13-0.25/kWh depending on supplier. 0% VAT. SEAI grants available.

Source: CRU, SEAI, Eurostat H1 2025

The savings estimates shown are for informational purposes only and do not constitute financial advice. Actual savings depend on your specific installation, roof condition, shading, consumption patterns, and future electricity price changes. Feed-in tariffs and regulations change frequently. Always obtain quotes from certified installers and consult a financial advisor before making investment decisions.

Monthly Energy Production

202 kWh

283 kWh

451 kWh

549 kWh

613 kWh

568 kWh

555 kWh

515 kWh

442 kWh

337 kWh

241 kWh

185 kWh

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Month	Energy (kWh)	Irradiation (kWh/m²)
January	202	47
February	283	66
March	451	106
April	549	133
May	613	151
June	568	143
July	555	141
August	515	128
September	442	109
October	337	80
November	241	56
December	185	43
Total	4,941	1,203

Environmental Impact

CO2 Saved Per Year

1,151 kg

Equivalent Trees Planted

52 trees

Optimal Panel Angle

42° tilt

Technical Details

Data Source: EU PVGIS v5.3
Coordinates: 53.30056°N, 6.28278°W
System Loss: 14%
Optimal Inclination: 42°
Optimal Azimuth: -2°
Yearly Irradiation: 1203 kWh/m2
Retail Electricity Price: 0.370 EUR/kWh
Feed-in Tariff: 0.185 EUR/kWh
Install Cost: 1,300 EUR/kWp

€1,793

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