Solar Panels in Castres
France · 43.61°N, 2.24°E
Solar Potential
1,284 kWh per kWp installed capacity
Your Solar Savings Estimate
Configure system size and battery to see realistic savings
Annual Output
6,418kWh
Net Annual Savings
€1,029
Payback Period
7.3 yrs
25-Year Net
€23,848
Savings Breakdown
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
| Month | Energy (kWh) | Irradiation (kWh/m²) |
|---|---|---|
| January | 315 | 75 |
| February | 415 | 100 |
| March | 553 | 136 |
| April | 608 | 153 |
| May | 629 | 161 |
| June | 660 | 173 |
| July | 712 | 190 |
| August | 710 | 188 |
| September | 632 | 163 |
| October | 516 | 128 |
| November | 349 | 84 |
| December | 319 | 76 |
| Total | 6,418 | 1,625 |
Environmental Impact
CO2 Saved Per Year
1,495 kg
Equivalent Trees Planted
68 trees
Optimal Panel Angle
36° tilt
Technical Details
- Data Source
- EU PVGIS v5.3
- Coordinates
- 43.60527°N, 2.24088°E
- System Loss
- 14%
- Optimal Inclination
- 36°
- Optimal Azimuth
- 2°
- Yearly Irradiation
- 1625 kWh/m2
- Retail Electricity Price
- 0.256 EUR/kWh
- Feed-in Tariff
- 0.130 EUR/kWh
- Install Cost
- 1,500 EUR/kWp
Nearby Cities
Want to compare Castres with another city?
Use our interactive calculator to compare any European location.
Open Calculator