How much energy do solar panels produce in Sant Joan Despí?

A 5 kWp solar panel system in Sant Joan Despí, Spain produces approximately 7,995 kWh per year, based on EU PVGIS data.

How much can you save with solar panels in Sant Joan Despí?

A 5 kWp system without battery saves approximately €688 per year (accounting for 18% self-consumption and feed-in tariff for surplus). The payback period is 7.7 years.

What is the optimal panel angle in Sant Joan Despí?

The optimal tilt angle for solar panels in Sant Joan Despí is 38 degrees facing 1 degrees from south.

Solar Panels in Sant Joan Despí

Spain · 41.37°N, 2.06°E

Solar Potential

Very Good

1,599 kWh per kWp installed capacity

Your Solar Savings Estimate

Configure system size and battery to see realistic savings

Data last updated: March 2026

System Size

Battery Storage

Annual Output

7,995kWh

Net Annual Savings

€688

Payback Period

7.7 yrs

25-Year Net

€16,209

Savings Breakdown

Self-consumed (18% of 7,995 kWh)1,439 kWh × 0.250 €/kWh

→ Savings from own usage+€360

Injected to grid (82% of production)6,556 kWh × 0.050 €/kWh

→ Feed-in revenue+€328

Net Annual Savings€688

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

572 kWh

573 kWh

708 kWh

714 kWh

781 kWh

773 kWh

797 kWh

763 kWh

662 kWh

599 kWh

523 kWh

531 kWh

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Month	Energy (kWh)	Irradiation (kWh/m²)
January	572	136
February	573	139
March	708	174
April	714	180
May	781	200
June	773	202
July	797	211
August	763	201
September	662	172
October	599	151
November	523	128
December	531	127
Total	7,995	2,020

Environmental Impact

CO2 Saved Per Year

1,863 kg

Equivalent Trees Planted

85 trees

Optimal Panel Angle

38° tilt

Technical Details

Data Source: EU PVGIS v5.3
Coordinates: 41.36718°N, 2.0574°E
System Loss: 14%
Optimal Inclination: 38°
Optimal Azimuth: 1°
Yearly Irradiation: 2020 kWh/m2
Retail Electricity Price: 0.250 EUR/kWh
Feed-in Tariff: 0.050 EUR/kWh
Install Cost: 1,061 EUR/kWp

€1,998

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