Solar Panels in Castelldefels

Spain · 41.28°N, 1.97°E

4out of 5

Solar Potential

Very Good

1,583 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

7,915kWh

Net Annual Savings

€681

Payback Period

7.8 yrs

25-Year Net

€15,994

Savings Breakdown

Self-consumed (18% of 7,915 kWh)1,425 kWh × 0.250 €/kWh
→ Savings from own usage+€356
Injected to grid (82% of production)6,490 kWh × 0.050 €/kWh
→ Feed-in revenue+€325
Net Annual Savings€681
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

539 kWh
550 kWh
696 kWh
718 kWh
782 kWh
784 kWh
809 kWh
773 kWh
667 kWh
593 kWh
498 kWh
507 kWh
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
MonthEnergy (kWh)Irradiation (kWh/m²)
January539128
February550133
March696171
April718180
May782199
June784204
July809213
August773203
September667173
October593150
November498122
December507121
Total7,9151,997

Environmental Impact

CO2 Saved Per Year

1,844 kg

Equivalent Trees Planted

84 trees

Optimal Panel Angle

38° tilt

Technical Details

Data Source
EU PVGIS v5.3
Coordinates
41.27794°N, 1.97033°E
System Loss
14%
Optimal Inclination
38°
Optimal Azimuth
2°
Yearly Irradiation
1997 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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