How much energy do solar panels produce in Zürich (Kreis 9) / Altstetten?

A 5 kWp solar panel system in Zürich (Kreis 9) / Altstetten, Switzerland produces approximately 5,753 kWh per year, based on EU PVGIS data.

How much can you save with solar panels in Zürich (Kreis 9) / Altstetten?

A 5 kWp system without battery saves approximately €791 per year (accounting for 25% self-consumption and feed-in tariff for surplus). The payback period is 11.4 years.

What is the optimal panel angle in Zürich (Kreis 9) / Altstetten?

The optimal tilt angle for solar panels in Zürich (Kreis 9) / Altstetten is 37 degrees facing 2 degrees from south.

Solar Panels in Zürich (Kreis 9) / Altstetten

Switzerland · 47.39°N, 8.49°E

Solar Potential

Moderate

1,151 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

5,753kWh

Net Annual Savings

€791

Payback Period

11.4 yrs

25-Year Net

€15,431

Savings Breakdown

Self-consumed (25% of 5,753 kWh)1,438 kWh × 0.250 €/kWh

→ Savings from own usage+€360

Injected to grid (75% of production)4,314 kWh × 0.100 €/kWh

→ Feed-in revenue+€431

Net Annual Savings€791

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

250 kWh

350 kWh

539 kWh

618 kWh

621 kWh

648 kWh

672 kWh

622 kWh

554 kWh

416 kWh

257 kWh

206 kWh

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Month	Energy (kWh)	Irradiation (kWh/m²)
January	250	59
February	350	84
March	539	132
April	618	156
May	621	159
June	648	170
July	672	179
August	622	165
September	554	142
October	416	104
November	257	62
December	206	49
Total	5,753	1,460

Environmental Impact

CO2 Saved Per Year

1,340 kg

Equivalent Trees Planted

61 trees

Optimal Panel Angle

37° tilt

Technical Details

Data Source: EU PVGIS v5.3
Coordinates: 47.38946°N, 8.48533°E
System Loss: 14%
Optimal Inclination: 37°
Optimal Azimuth: 2°
Yearly Irradiation: 1460 kWh/m2
Retail Electricity Price: 0.250 EUR/kWh
Feed-in Tariff: 0.100 EUR/kWh
Install Cost: 1,800 EUR/kWp

€1,437

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