How much energy do solar panels produce in Sacavém?

A 5 kWp solar panel system in Sacavém, Portugal produces approximately 7,944 kWh per year, based on EU PVGIS data.

How much can you save with solar panels in Sacavém?

A 5 kWp system without battery saves approximately €705 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 Sacavém?

The optimal tilt angle for solar panels in Sacavém is 33 degrees facing 5 degrees from south.

Solar Panels in Sacavém

Portugal · 38.79°N, 9.11°W

Solar Potential

Very Good

1,589 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

7,944kWh

Net Annual Savings

€705

Payback Period

7.8 yrs

25-Year Net

€16,253

Savings Breakdown

Self-consumed (18% of 7,944 kWh)1,430 kWh × 0.220 €/kWh

→ Savings from own usage+€315

Injected to grid (82% of production)6,514 kWh × 0.060 €/kWh

→ Feed-in revenue+€391

Net Annual Savings€705

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

488 kWh

528 kWh

672 kWh

710 kWh

789 kWh

780 kWh

860 kWh

855 kWh

752 kWh

602 kWh

462 kWh

446 kWh

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Month	Energy (kWh)	Irradiation (kWh/m²)
January	488	117
February	528	129
March	672	166
April	710	181
May	789	204
June	780	203
July	860	225
August	855	225
September	752	196
October	602	153
November	462	113
December	446	107
Total	7,944	2,020

Environmental Impact

CO2 Saved Per Year

1,851 kg

Equivalent Trees Planted

84 trees

Optimal Panel Angle

33° tilt

Technical Details

Data Source: EU PVGIS v5.3
Coordinates: 38.79202°N, 9.10801°W
System Loss: 14%
Optimal Inclination: 33°
Optimal Azimuth: 5°
Yearly Irradiation: 2020 kWh/m2
Retail Electricity Price: 0.220 EUR/kWh
Feed-in Tariff: 0.060 EUR/kWh
Install Cost: 1,100 EUR/kWp

€1,717

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