How much energy do solar panels produce in Aarau?

A 5 kWp solar panel system in Aarau, Switzerland produces approximately 5,774 kWh per year, based on EU PVGIS data.

How much can you save with solar panels in Aarau?

A 5 kWp system without battery saves approximately €785 per year (accounting for 24% self-consumption and feed-in tariff for surplus). The payback period is 11.5 years.

What is the optimal panel angle in Aarau?

The optimal tilt angle for solar panels in Aarau is 37 degrees facing 4 degrees from south.

Solar Panels in Aarau

Switzerland · 47.39°N, 8.04°E

Solar Potential

Moderate

1,155 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

5,774kWh

Net Annual Savings

€785

Payback Period

11.5 yrs

25-Year Net

€15,191

Savings Breakdown

Self-consumed (24% of 5,774 kWh)1,386 kWh × 0.250 €/kWh

→ Savings from own usage+€346

Injected to grid (76% of production)4,388 kWh × 0.100 €/kWh

→ Feed-in revenue+€439

Net Annual Savings€785

Installation cost (5 kWp × 1,800 €/kWp)€9,000

Data Confidence: Estimated

Note: Feed-in tariff and policy data for Switzerland is estimated and may not reflect current regulations.

Switzerland Solar Policy

New national minimum compensation from 2026. Varies by utility €0.05-0.15/kWh. Pronovo investment contribution. 8.1% VAT.

Source: Industry estimate, not officially verified

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

239 kWh

347 kWh

538 kWh

617 kWh

630 kWh

662 kWh

686 kWh

638 kWh

560 kWh

412 kWh

247 kWh

196 kWh

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Month	Energy (kWh)	Irradiation (kWh/m²)
January	239	56
February	347	83
March	538	131
April	617	156
May	630	162
June	662	174
July	686	182
August	638	169
September	560	144
October	412	102
November	247	60
December	196	47
Total	5,774	1,466

Environmental Impact

CO2 Saved Per Year

1,345 kg

Equivalent Trees Planted

61 trees

Optimal Panel Angle

37° tilt

Technical Details

Data Source: EU PVGIS v5.3
Coordinates: 47.39254°N, 8.04422°E
System Loss: 14%
Optimal Inclination: 37°
Optimal Azimuth: 4°
Yearly Irradiation: 1466 kWh/m2
Retail Electricity Price: 0.250 EUR/kWh
Feed-in Tariff: 0.100 EUR/kWh
Install Cost: 1,800 EUR/kWp

€1,442

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