How much energy do solar panels produce in Santo António dos Olivais?

A 5 kWp solar panel system in Santo António dos Olivais, Portugal produces approximately 7,334 kWh per year, based on EU PVGIS data.

How much can you save with solar panels in Santo António dos Olivais?

A 5 kWp system without battery saves approximately €675 per year (accounting for 20% self-consumption and feed-in tariff for surplus). The payback period is 8.2 years.

What is the optimal panel angle in Santo António dos Olivais?

The optimal tilt angle for solar panels in Santo António dos Olivais is 35 degrees facing 4 degrees from south.

Solar Panels in Santo António dos Olivais

Portugal · 40.22°N, 8.41°W

Solar Potential

Very Good

1,467 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

7,334kWh

Net Annual Savings

€675

Payback Period

8.2 yrs

25-Year Net

€15,435

Savings Breakdown

Self-consumed (20% of 7,334 kWh)1,467 kWh × 0.220 €/kWh

→ Savings from own usage+€323

Injected to grid (80% of production)5,867 kWh × 0.060 €/kWh

→ Feed-in revenue+€352

Net Annual Savings€675

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

466 kWh

511 kWh

607 kWh

635 kWh

716 kWh

694 kWh

790 kWh

784 kWh

688 kWh

561 kWh

443 kWh

441 kWh

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Month	Energy (kWh)	Irradiation (kWh/m²)
January	466	112
February	511	125
March	607	151
April	635	163
May	716	186
June	694	183
July	790	210
August	784	210
September	688	181
October	561	143
November	443	109
December	441	106
Total	7,334	1,881

Environmental Impact

CO2 Saved Per Year

1,709 kg

Equivalent Trees Planted

78 trees

Optimal Panel Angle

35° tilt

Technical Details

Data Source: EU PVGIS v5.3
Coordinates: 40.21805°N, 8.40523°W
System Loss: 14%
Optimal Inclination: 35°
Optimal Azimuth: 4°
Yearly Irradiation: 1881 kWh/m2
Retail Electricity Price: 0.220 EUR/kWh
Feed-in Tariff: 0.060 EUR/kWh
Install Cost: 1,100 EUR/kWp

€1,643

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