How much energy do solar panels produce in Cachan?

A 5 kWp solar panel system in Cachan, France produces approximately 5,762 kWh per year, based on EU PVGIS data.

How much can you save with solar panels in Cachan?

A 5 kWp system without battery saves approximately €931 per year (accounting for 25% self-consumption and feed-in tariff for surplus). The payback period is 8.1 years.

What is the optimal panel angle in Cachan?

The optimal tilt angle for solar panels in Cachan is 38 degrees facing -4 degrees from south.

Solar Panels in Cachan

France · 48.80°N, 2.34°E

Solar Potential

Moderate

1,152 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

5,762kWh

Net Annual Savings

€931

Payback Period

8.1 yrs

25-Year Net

€20,939

Savings Breakdown

Self-consumed (25% of 5,762 kWh)1,441 kWh × 0.256 €/kWh

→ Savings from own usage+€369

Injected to grid (75% of production)4,322 kWh × 0.130 €/kWh

→ Feed-in revenue+€562

Net Annual Savings€931

Installation cost (5 kWp × 1,500 €/kWp)€7,500

France Solar Policy

Obligation d'Achat: surplus buyback at €0.13/kWh for ≤9kWp. Full sale option at €0.23/kWh. 5.5% VAT for ≤9kWp systems.

Source: CRE tariff schedule Q1 2026, 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

218 kWh

329 kWh

510 kWh

642 kWh

650 kWh

652 kWh

675 kWh

633 kWh

563 kWh

409 kWh

260 kWh

221 kWh

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Month	Energy (kWh)	Irradiation (kWh/m²)
January	218	51
February	329	77
March	510	123
April	642	160
May	650	164
June	652	168
July	675	177
August	633	164
September	563	143
October	409	100
November	260	62
December	221	52
Total	5,762	1,440

Environmental Impact

CO2 Saved Per Year

1,343 kg

Equivalent Trees Planted

61 trees

Optimal Panel Angle

38° tilt

Technical Details

Data Source: EU PVGIS v5.3
Coordinates: 48.79632°N, 2.33661°E
System Loss: 14%
Optimal Inclination: 38°
Optimal Azimuth: -4°
Yearly Irradiation: 1440 kWh/m2
Retail Electricity Price: 0.256 EUR/kWh
Feed-in Tariff: 0.130 EUR/kWh
Install Cost: 1,500 EUR/kWp

€1,464

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