Solar Panels in Castelnau-le-Lez

France · 43.64°N, 3.90°E

4out of 5

Solar Potential

Very Good

1,515 kWh per kWp installed capacity

Your Solar Savings Estimate

Configure system size and battery to see realistic savings

Data last updated: March 2026

Annual Output

7,575kWh

Net Annual Savings

€1,195

Payback Period

6.3 yrs

25-Year Net

€28,735

Savings Breakdown

Self-consumed (22% of 7,575 kWh)1,667 kWh × 0.256 €/kWh
→ Savings from own usage+€427
Injected to grid (78% of production)5,909 kWh × 0.130 €/kWh
→ Feed-in revenue+€769
Net Annual Savings€1,195
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

475 kWh
531 kWh
667 kWh
694 kWh
749 kWh
759 kWh
810 kWh
781 kWh
683 kWh
535 kWh
455 kWh
436 kWh
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
MonthEnergy (kWh)Irradiation (kWh/m²)
January475112
February531128
March667165
April694176
May749194
June759202
July810218
August781209
September683178
October535134
November455110
December436103
Total7,5751,925

Environmental Impact

CO2 Saved Per Year

1,765 kg

Equivalent Trees Planted

80 trees

Optimal Panel Angle

39° tilt

Technical Details

Data Source
EU PVGIS v5.3
Coordinates
43.63605°N, 3.90137°E
System Loss
14%
Optimal Inclination
39°
Optimal Azimuth
0°
Yearly Irradiation
1925 kWh/m2
Retail Electricity Price
0.256 EUR/kWh
Feed-in Tariff
0.130 EUR/kWh
Install Cost
1,500 EUR/kWp

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