Solar Panels in Siena
Italy · 43.32°N, 11.33°E
Solar Potential
1,407 kWh per kWp installed capacity
Your Solar Savings Estimate
Configure system size and battery to see realistic savings
Annual Output
7,036kWh
Net Annual Savings
€784
Payback Period
7.7 yrs
25-Year Net
€18,349
Savings Breakdown
Italy Solar Policy
Scambio sul Posto (SSP) closed Sept 2025. Now Ritiro Dedicato at market zonal price. 50% Ecobonus tax deduction (declining to 36% in 2026-2027). 10% VAT.
Source: GSE/ARERA, 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 | 398 | 94 |
| February | 448 | 108 |
| March | 612 | 151 |
| April | 658 | 167 |
| May | 705 | 183 |
| June | 720 | 193 |
| July | 787 | 214 |
| August | 758 | 205 |
| September | 654 | 171 |
| October | 559 | 140 |
| November | 383 | 93 |
| December | 352 | 84 |
| Total | 7,036 | 1,804 |
Environmental Impact
CO2 Saved Per Year
1,639 kg
Equivalent Trees Planted
75 trees
Optimal Panel Angle
37° tilt
Technical Details
- Data Source
- EU PVGIS v5.3
- Coordinates
- 43.31822°N, 11.33064°E
- System Loss
- 14%
- Optimal Inclination
- 37°
- Optimal Azimuth
- -5°
- Yearly Irradiation
- 1804 kWh/m2
- Retail Electricity Price
- 0.300 EUR/kWh
- Feed-in Tariff
- 0.070 EUR/kWh
- Install Cost
- 1,200 EUR/kWp
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