How much energy do solar panels produce in Monthey?

A 5 kWp solar panel system in Monthey, Switzerland produces approximately 6,810 kWh per year, based on EU PVGIS data.

How much can you save with solar panels in Monthey?

A 5 kWp system without battery saves approximately €916 per year (accounting for 23% self-consumption and feed-in tariff for surplus). The payback period is 9.8 years.

What is the optimal panel angle in Monthey?

The optimal tilt angle for solar panels in Monthey is 41 degrees facing -8 degrees from south.

Solar Panels in Monthey

Switzerland · 46.25°N, 6.95°E

Solar Potential

Good

1,362 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

6,810kWh

Net Annual Savings

€916

Payback Period

9.8 yrs

25-Year Net

€19,146

Savings Breakdown

Self-consumed (23% of 6,810 kWh)1,566 kWh × 0.250 €/kWh

→ Savings from own usage+€392

Injected to grid (77% of production)5,244 kWh × 0.100 €/kWh

→ Feed-in revenue+€524

Net Annual Savings€916

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

418 kWh

517 kWh

637 kWh

697 kWh

642 kWh

673 kWh

703 kWh

670 kWh

606 kWh

524 kWh

386 kWh

336 kWh

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Month	Energy (kWh)	Irradiation (kWh/m²)
January	418	95
February	517	120
March	637	153
April	697	173
May	642	162
June	673	174
July	703	185
August	670	175
September	606	154
October	524	129
November	386	90
December	336	77
Total	6,810	1,688

Environmental Impact

CO2 Saved Per Year

1,587 kg

Equivalent Trees Planted

72 trees

Optimal Panel Angle

41° tilt

Technical Details

Data Source: EU PVGIS v5.3
Coordinates: 46.25451°N, 6.95406°E
System Loss: 14%
Optimal Inclination: 41°
Optimal Azimuth: -8°
Yearly Irradiation: 1688 kWh/m2
Retail Electricity Price: 0.250 EUR/kWh
Feed-in Tariff: 0.100 EUR/kWh
Install Cost: 1,800 EUR/kWp

€1,638

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