How much energy do solar panels produce in La Unión?

A 5 kWp solar panel system in La Unión, Spain produces approximately 8,325 kWh per year, based on EU PVGIS data.

How much can you save with solar panels in La Unión?

A 5 kWp system without battery saves approximately €716 per year (accounting for 18% self-consumption and feed-in tariff for surplus). The payback period is 7.4 years.

What is the optimal panel angle in La Unión?

The optimal tilt angle for solar panels in La Unión is 35 degrees facing 8 degrees from south.

Solar Panels in La Unión

Spain · 37.62°N, 0.88°W

Solar Potential

Excellent

1,665 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

8,325kWh

Net Annual Savings

€716

Payback Period

7.4 yrs

25-Year Net

€17,097

Savings Breakdown

Self-consumed (18% of 8,325 kWh)1,498 kWh × 0.250 €/kWh

→ Savings from own usage+€375

Injected to grid (82% of production)6,826 kWh × 0.050 €/kWh

→ Feed-in revenue+€341

Net Annual Savings€716

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

574 kWh

580 kWh

711 kWh

750 kWh

821 kWh

816 kWh

837 kWh

810 kWh

700 kWh

644 kWh

549 kWh

535 kWh

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Month	Energy (kWh)	Irradiation (kWh/m²)
January	574	138
February	580	141
March	711	175
April	750	188
May	821	209
June	816	212
July	837	220
August	810	212
September	700	181
October	644	163
November	549	135
December	535	129
Total	8,325	2,104

Environmental Impact

CO2 Saved Per Year

1,940 kg

Equivalent Trees Planted

88 trees

Optimal Panel Angle

35° tilt

Technical Details

Data Source: EU PVGIS v5.3
Coordinates: 37.61915°N, 0.87799°W
System Loss: 14%
Optimal Inclination: 35°
Optimal Azimuth: 8°
Yearly Irradiation: 2104 kWh/m2
Retail Electricity Price: 0.250 EUR/kWh
Feed-in Tariff: 0.050 EUR/kWh
Install Cost: 1,061 EUR/kWp

€2,113

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