How much energy do solar panels produce in Grigny?

A 5 kWp solar panel system in Grigny, France produces approximately 5,722 kWh per year, based on EU PVGIS data.

How much can you save with solar panels in Grigny?

A 5 kWp system without battery saves approximately €924 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 Grigny?

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

Solar Panels in Grigny

France · 48.65°N, 2.39°E

Solar Potential

Moderate

1,144 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

5,722kWh

Net Annual Savings

€924

Payback Period

8.1 yrs

25-Year Net

€20,737

Savings Breakdown

Self-consumed (25% of 5,722 kWh)1,430 kWh × 0.256 €/kWh

→ Savings from own usage+€366

Injected to grid (75% of production)4,291 kWh × 0.130 €/kWh

→ Feed-in revenue+€558

Net Annual Savings€924

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

220 kWh

321 kWh

507 kWh

637 kWh

646 kWh

652 kWh

670 kWh

629 kWh

561 kWh

403 kWh

254 kWh

221 kWh

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Month	Energy (kWh)	Irradiation (kWh/m²)
January	220	52
February	321	76
March	507	122
April	637	158
May	646	163
June	652	168
July	670	176
August	629	163
September	561	142
October	403	99
November	254	60
December	221	52
Total	5,722	1,431

Environmental Impact

CO2 Saved Per Year

1,333 kg

Equivalent Trees Planted

61 trees

Optimal Panel Angle

38° tilt

Technical Details

Data Source: EU PVGIS v5.3
Coordinates: 48.65412°N, 2.39343°E
System Loss: 14%
Optimal Inclination: 38°
Optimal Azimuth: -4°
Yearly Irradiation: 1431 kWh/m2
Retail Electricity Price: 0.256 EUR/kWh
Feed-in Tariff: 0.130 EUR/kWh
Install Cost: 1,500 EUR/kWp

€1,476

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