How much energy do solar panels produce in Lisbon?

A 5 kWp solar panel system in Lisbon, Portugal produces approximately 7,899 kWh per year, based on EU PVGIS data.

How much can you save with solar panels in Lisbon?

A 5 kWp system without battery saves approximately €701 per year (accounting for 18% self-consumption and feed-in tariff for surplus). The payback period is 7.8 years.

What is the optimal panel angle in Lisbon?

The optimal tilt angle for solar panels in Lisbon is 33 degrees facing 4 degrees from south.

Solar Panels in Lisbon

Portugal · 38.72°N, 9.14°W

Solar Potential

Very Good

1,580 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

7,899kWh

Net Annual Savings

€701

Payback Period

7.8 yrs

25-Year Net

€16,130

Savings Breakdown

Self-consumed (18% of 7,899 kWh)1,422 kWh × 0.220 €/kWh

→ Savings from own usage+€313

Injected to grid (82% of production)6,477 kWh × 0.060 €/kWh

→ Feed-in revenue+€389

Net Annual Savings€701

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

485 kWh

525 kWh

664 kWh

705 kWh

785 kWh

776 kWh

853 kWh

850 kWh

749 kWh

599 kWh

463 kWh

447 kWh

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Month	Energy (kWh)	Irradiation (kWh/m²)
January	485	117
February	525	128
March	664	165
April	705	179
May	785	203
June	776	202
July	853	223
August	850	224
September	749	195
October	599	152
November	463	114
December	447	108
Total	7,899	2,009

Environmental Impact

CO2 Saved Per Year

1,841 kg

Equivalent Trees Planted

84 trees

Optimal Panel Angle

33° tilt

Technical Details

Data Source: EU PVGIS v5.3
Coordinates: 38.72°N, 9.14°W
System Loss: 14%
Optimal Inclination: 33°
Optimal Azimuth: 4°
Yearly Irradiation: 2009 kWh/m2
Retail Electricity Price: 0.220 EUR/kWh
Feed-in Tariff: 0.060 EUR/kWh
Install Cost: 1,100 EUR/kWp

Nearby Cities

Porto

Portugal

Very Good

Output

7.6 MWh

Savings

€1,661

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