Solar Panels in Donostia / San Sebastián
Spain · 43.31°N, 1.97°W
Solar Potential
1,173 kWh per kWp installed capacity
Your Solar Savings Estimate
Configure system size and battery to see realistic savings
Annual Output
5,867kWh
Net Annual Savings
€551
Payback Period
9.6 yrs
25-Year Net
€12,151
Savings Breakdown
Spain Solar Policy
Compensación simplificada: surplus credited at €0.02-0.10/kWh, capped at your bill. No prosumer fees. IBI tax discount 30-50% in many municipalities.
Source: CNMC, 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 | 307 | 74 |
| February | 393 | 94 |
| March | 518 | 127 |
| April | 555 | 138 |
| May | 598 | 150 |
| June | 573 | 148 |
| July | 612 | 160 |
| August | 621 | 160 |
| September | 578 | 147 |
| October | 473 | 118 |
| November | 323 | 78 |
| December | 317 | 76 |
| Total | 5,867 | 1,470 |
Environmental Impact
CO2 Saved Per Year
1,367 kg
Equivalent Trees Planted
62 trees
Optimal Panel Angle
36° tilt
Technical Details
- Data Source
- EU PVGIS v5.3
- Coordinates
- 43.31283°N, 1.97499°W
- System Loss
- 14%
- Optimal Inclination
- 36°
- Optimal Azimuth
- -2°
- Yearly Irradiation
- 1470 kWh/m2
- Retail Electricity Price
- 0.250 EUR/kWh
- Feed-in Tariff
- 0.050 EUR/kWh
- Install Cost
- 1,061 EUR/kWp
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