How much energy do solar panels produce in Vannes?

A 5 kWp solar panel system in Vannes, France produces approximately 6,171 kWh per year, based on EU PVGIS data.

How much can you save with solar panels in Vannes?

A 5 kWp system without battery saves approximately €989 per year (accounting for 24% self-consumption and feed-in tariff for surplus). The payback period is 7.6 years.

What is the optimal panel angle in Vannes?

The optimal tilt angle for solar panels in Vannes is 38 degrees facing south.

Solar Panels in Vannes

France · 47.66°N, 2.76°W

Solar Potential

Good

1,234 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

6,171kWh

Net Annual Savings

€989

Payback Period

7.6 yrs

25-Year Net

€22,642

Savings Breakdown

Self-consumed (24% of 6,171 kWh)1,481 kWh × 0.256 €/kWh

→ Savings from own usage+€379

Injected to grid (76% of production)4,690 kWh × 0.130 €/kWh

→ Feed-in revenue+€610

Net Annual Savings€989

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

258 kWh

374 kWh

543 kWh

661 kWh

689 kWh

680 kWh

705 kWh

666 kWh

600 kWh

424 kWh

315 kWh

255 kWh

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Month	Energy (kWh)	Irradiation (kWh/m²)
January	258	61
February	374	88
March	543	130
April	661	164
May	689	173
June	680	174
July	705	182
August	666	171
September	600	151
October	424	104
November	315	75
December	255	60
Total	6,171	1,533

Environmental Impact

CO2 Saved Per Year

1,438 kg

Equivalent Trees Planted

65 trees

Optimal Panel Angle

38° tilt

Technical Details

Data Source: EU PVGIS v5.3
Coordinates: 47.65688°N, 2.76205°W
System Loss: 14%
Optimal Inclination: 38°
Optimal Azimuth: 0°
Yearly Irradiation: 1533 kWh/m2
Retail Electricity Price: 0.256 EUR/kWh
Feed-in Tariff: 0.130 EUR/kWh
Install Cost: 1,500 EUR/kWp

€1,650

Want to compare Vannes with another city?

Use our interactive calculator to compare any European location.

Open Calculator