How much energy do solar panels produce in Benfica?

A 5 kWp solar panel system in Benfica, Portugal produces approximately 8,140 kWh per year, based on EU PVGIS data.

How much can you save with solar panels in Benfica?

A 5 kWp system without battery saves approximately €723 per year (accounting for 18% self-consumption and feed-in tariff for surplus). The payback period is 7.6 years.

What is the optimal panel angle in Benfica?

The optimal tilt angle for solar panels in Benfica is 34 degrees facing 3 degrees from south.

Solar Panels in Benfica

Portugal · 38.75°N, 9.20°W

Solar Potential

Excellent

1,628 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

8,140kWh

Net Annual Savings

€723

Payback Period

7.6 yrs

25-Year Net

€16,789

Savings Breakdown

Self-consumed (18% of 8,140 kWh)1,465 kWh × 0.220 €/kWh

→ Savings from own usage+€322

Injected to grid (82% of production)6,675 kWh × 0.060 €/kWh

→ Feed-in revenue+€400

Net Annual Savings€723

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

518 kWh

549 kWh

686 kWh

723 kWh

802 kWh

786 kWh

865 kWh

863 kWh

757 kWh

621 kWh

492 kWh

477 kWh

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Month	Energy (kWh)	Irradiation (kWh/m²)
January	518	124
February	549	134
March	686	170
April	723	183
May	802	206
June	786	204
July	865	225
August	863	226
September	757	197
October	621	157
November	492	120
December	477	115
Total	8,140	2,062

Environmental Impact

CO2 Saved Per Year

1,897 kg

Equivalent Trees Planted

86 trees

Optimal Panel Angle

34° tilt

Technical Details

Data Source: EU PVGIS v5.3
Coordinates: 38.75087°N, 9.20282°W
System Loss: 14%
Optimal Inclination: 34°
Optimal Azimuth: 3°
Yearly Irradiation: 2062 kWh/m2
Retail Electricity Price: 0.220 EUR/kWh
Feed-in Tariff: 0.060 EUR/kWh
Install Cost: 1,100 EUR/kWp

€1,779

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