Solar Panels in Castellar del Vallès

Spain · 41.62°N, 2.08°E

4out of 5

Solar Potential

Very Good

1,511 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

7,553kWh

Net Annual Savings

€650

Payback Period

8.2 yrs

25-Year Net

€15,021

Savings Breakdown

Self-consumed (18% of 7,553 kWh)1,360 kWh × 0.250 €/kWh
→ Savings from own usage+€340
Injected to grid (82% of production)6,194 kWh × 0.050 €/kWh
→ Feed-in revenue+€310
Net Annual Savings€650
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

547 kWh
554 kWh
661 kWh
660 kWh
719 kWh
724 kWh
762 kWh
722 kWh
626 kWh
570 kWh
498 kWh
509 kWh
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
MonthEnergy (kWh)Irradiation (kWh/m²)
January547131
February554135
March661165
April660168
May719187
June724192
July762205
August722193
September626163
October570144
November498122
December509122
Total7,5531,927

Environmental Impact

CO2 Saved Per Year

1,760 kg

Equivalent Trees Planted

80 trees

Optimal Panel Angle

38° tilt

Technical Details

Data Source
EU PVGIS v5.3
Coordinates
41.61667°N, 2.08333°E
System Loss
14%
Optimal Inclination
38°
Optimal Azimuth
-1°
Yearly Irradiation
1927 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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