How much energy do solar panels produce in Grenoble?

A 5 kWp solar panel system in Grenoble, France produces approximately 6,800 kWh per year, based on EU PVGIS data.

How much can you save with solar panels in Grenoble?

A 5 kWp system without battery saves approximately €1,082 per year (accounting for 23% self-consumption and feed-in tariff for surplus). The payback period is 6.9 years.

What is the optimal panel angle in Grenoble?

The optimal tilt angle for solar panels in Grenoble is 38 degrees facing -5 degrees from south.

Solar Panels in Grenoble

France · 45.18°N, 5.71°E

Solar Potential

Good

1,360 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

6,800kWh

Net Annual Savings

€1,082

Payback Period

6.9 yrs

25-Year Net

€25,373

Savings Breakdown

Self-consumed (23% of 6,800 kWh)1,564 kWh × 0.256 €/kWh

→ Savings from own usage+€400

Injected to grid (77% of production)5,236 kWh × 0.130 €/kWh

→ Feed-in revenue+€681

Net Annual Savings€1,082

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

386 kWh

465 kWh

632 kWh

656 kWh

659 kWh

706 kWh

758 kWh

716 kWh

626 kWh

503 kWh

349 kWh

344 kWh

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Month	Energy (kWh)	Irradiation (kWh/m²)
January	386	89
February	465	110
March	632	154
April	656	165
May	659	168
June	706	184
July	758	201
August	716	189
September	626	161
October	503	125
November	349	83
December	344	81
Total	6,800	1,710

Environmental Impact

CO2 Saved Per Year

1,584 kg

Equivalent Trees Planted

72 trees

Optimal Panel Angle

38° tilt

Technical Details

Data Source: EU PVGIS v5.3
Coordinates: 45.17869°N, 5.71479°E
System Loss: 14%
Optimal Inclination: 38°
Optimal Azimuth: -5°
Yearly Irradiation: 1710 kWh/m2
Retail Electricity Price: 0.256 EUR/kWh
Feed-in Tariff: 0.130 EUR/kWh
Install Cost: 1,500 EUR/kWp

€1,669

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