How much energy do solar panels produce in Brest?

A 5 kWp solar panel system in Brest, France produces approximately 5,681 kWh per year, based on EU PVGIS data.

How much can you save with solar panels in Brest?

A 5 kWp system without battery saves approximately €918 per year (accounting for 25% self-consumption and feed-in tariff for surplus). The payback period is 8.2 years.

What is the optimal panel angle in Brest?

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

Solar Panels in Brest

France · 48.39°N, 4.49°W

Solar Potential

Moderate

1,136 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

5,681kWh

Net Annual Savings

€918

Payback Period

8.2 yrs

25-Year Net

€20,536

Savings Breakdown

Self-consumed (25% of 5,681 kWh)1,420 kWh × 0.256 €/kWh

→ Savings from own usage+€364

Injected to grid (75% of production)4,261 kWh × 0.130 €/kWh

→ Feed-in revenue+€554

Net Annual Savings€918

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

224 kWh

316 kWh

481 kWh

635 kWh

666 kWh

661 kWh

663 kWh

628 kWh

541 kWh

391 kWh

265 kWh

211 kWh

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Month	Energy (kWh)	Irradiation (kWh/m²)
January	224	53
February	316	74
March	481	114
April	635	154
May	666	164
June	661	164
July	663	167
August	628	157
September	541	133
October	391	95
November	265	63
December	211	49
Total	5,681	1,387

Environmental Impact

CO2 Saved Per Year

1,324 kg

Equivalent Trees Planted

60 trees

Optimal Panel Angle

38° tilt

Technical Details

Data Source: EU PVGIS v5.3
Coordinates: 48.39029°N, 4.48628°W
System Loss: 14%
Optimal Inclination: 38°
Optimal Azimuth: 4°
Yearly Irradiation: 1387 kWh/m2
Retail Electricity Price: 0.256 EUR/kWh
Feed-in Tariff: 0.130 EUR/kWh
Install Cost: 1,500 EUR/kWp

€1,572

Want to compare Brest with another city?

Use our interactive calculator to compare any European location.

Open Calculator