How much energy do solar panels produce in Lagos?

A 5 kWp solar panel system in Lagos, Portugal produces approximately 8,527 kWh per year, based on EU PVGIS data.

How much can you save with solar panels in Lagos?

A 5 kWp system without battery saves approximately €757 per year (accounting for 18% self-consumption and feed-in tariff for surplus). The payback period is 7.3 years.

What is the optimal panel angle in Lagos?

The optimal tilt angle for solar panels in Lagos is 33 degrees facing 2 degrees from south.

Solar Panels in Lagos

Portugal · 37.10°N, 8.67°W

Solar Potential

Excellent

1,705 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

8,527kWh

Net Annual Savings

€757

Payback Period

7.3 yrs

25-Year Net

€17,848

Savings Breakdown

Self-consumed (18% of 8,527 kWh)1,535 kWh × 0.220 €/kWh

→ Savings from own usage+€338

Injected to grid (82% of production)6,992 kWh × 0.060 €/kWh

→ Feed-in revenue+€420

Net Annual Savings€757

Installation cost (5 kWp × 1,100 €/kWp)€5,500

Portugal Solar Policy

UPAC system: surplus at 90% of MIBEL market price (~€0.04-0.08/kWh). 23% VAT (6% temporary rate expired July 2025).

Source: ERSE, 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

567 kWh

581 kWh

725 kWh

766 kWh

836 kWh

808 kWh

882 kWh

867 kWh

775 kWh

655 kWh

545 kWh

520 kWh

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Month	Energy (kWh)	Irradiation (kWh/m²)
January	567	137
February	581	142
March	725	180
April	766	194
May	836	216
June	808	211
July	882	231
August	867	228
September	775	201
October	655	167
November	545	134
December	520	125
Total	8,527	2,165

Environmental Impact

CO2 Saved Per Year

1,987 kg

Equivalent Trees Planted

90 trees

Optimal Panel Angle

33° tilt

Technical Details

Data Source: EU PVGIS v5.3
Coordinates: 37.10202°N, 8.67422°W
System Loss: 14%
Optimal Inclination: 33°
Optimal Azimuth: 2°
Yearly Irradiation: 2165 kWh/m2
Retail Electricity Price: 0.220 EUR/kWh
Feed-in Tariff: 0.060 EUR/kWh
Install Cost: 1,100 EUR/kWp

€1,886

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