Solar Panels in Castillejos

Spain · 40.46°N, 3.69°W

5out of 5

Solar Potential

Excellent

1,613 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

8,065kWh

Net Annual Savings

€694

Payback Period

7.6 yrs

25-Year Net

€16,399

Savings Breakdown

Self-consumed (18% of 8,065 kWh)1,452 kWh × 0.250 €/kWh
→ Savings from own usage+€363
Injected to grid (82% of production)6,613 kWh × 0.050 €/kWh
→ Feed-in revenue+€331
Net Annual Savings€694
Installation cost (5 kWp × 1,061 €/kWp)€5,305

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

537 kWh
570 kWh
693 kWh
707 kWh
764 kWh
763 kWh
834 kWh
822 kWh
731 kWh
633 kWh
506 kWh
505 kWh
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
MonthEnergy (kWh)Irradiation (kWh/m²)
January537128
February570139
March693173
April707181
May764201
June763207
July834231
August822226
September731194
October633163
November506124
December505121
Total8,0652,088

Environmental Impact

CO2 Saved Per Year

1,879 kg

Equivalent Trees Planted

85 trees

Optimal Panel Angle

37° tilt

Technical Details

Data Source
EU PVGIS v5.3
Coordinates
40.46041°N, 3.69413°W
System Loss
14%
Optimal Inclination
37°
Optimal Azimuth
-3°
Yearly Irradiation
2088 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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