How much energy do solar panels produce in Le Chesnay?

A 5 kWp solar panel system in Le Chesnay, France produces approximately 5,703 kWh per year, based on EU PVGIS data.

How much can you save with solar panels in Le Chesnay?

A 5 kWp system without battery saves approximately €922 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 Le Chesnay?

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

Solar Panels in Le Chesnay

France · 48.82°N, 2.12°E

Solar Potential

Moderate

1,141 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

5,703kWh

Net Annual Savings

€922

Payback Period

8.1 yrs

25-Year Net

€20,647

Savings Breakdown

Self-consumed (25% of 5,703 kWh)1,426 kWh × 0.256 €/kWh

→ Savings from own usage+€365

Injected to grid (75% of production)4,278 kWh × 0.130 €/kWh

→ Feed-in revenue+€557

Net Annual Savings€922

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

217 kWh

316 kWh

497 kWh

632 kWh

646 kWh

652 kWh

675 kWh

624 kWh

559 kWh

407 kWh

262 kWh

216 kWh

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Month	Energy (kWh)	Irradiation (kWh/m²)
January	217	51
February	316	74
March	497	120
April	632	157
May	646	162
June	652	168
July	675	176
August	624	162
September	559	142
October	407	100
November	262	62
December	216	51
Total	5,703	1,425

Environmental Impact

CO2 Saved Per Year

1,329 kg

Equivalent Trees Planted

60 trees

Optimal Panel Angle

38° tilt

Technical Details

Data Source: EU PVGIS v5.3
Coordinates: 48.8222°N, 2.12213°E
System Loss: 14%
Optimal Inclination: 38°
Optimal Azimuth: -4°
Yearly Irradiation: 1425 kWh/m2
Retail Electricity Price: 0.256 EUR/kWh
Feed-in Tariff: 0.130 EUR/kWh
Install Cost: 1,500 EUR/kWp

€1,465

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