How much energy do solar panels produce in Oliveira do Douro?

A 5 kWp solar panel system in Oliveira do Douro, Portugal produces approximately 7,456 kWh per year, based on EU PVGIS data.

How much can you save with solar panels in Oliveira do Douro?

A 5 kWp system without battery saves approximately €662 per year (accounting for 18% self-consumption and feed-in tariff for surplus). The payback period is 8.3 years.

What is the optimal panel angle in Oliveira do Douro?

The optimal tilt angle for solar panels in Oliveira do Douro is 36 degrees facing 5 degrees from south.

Solar Panels in Oliveira do Douro

Portugal · 41.12°N, 8.58°W

Solar Potential

Very Good

1,491 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

7,456kWh

Net Annual Savings

€662

Payback Period

8.3 yrs

25-Year Net

€14,917

Savings Breakdown

Self-consumed (18% of 7,456 kWh)1,342 kWh × 0.220 €/kWh

→ Savings from own usage+€295

Injected to grid (82% of production)6,114 kWh × 0.060 €/kWh

→ Feed-in revenue+€367

Net Annual Savings€662

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

447 kWh

510 kWh

621 kWh

674 kWh

754 kWh

732 kWh

804 kWh

791 kWh

707 kWh

562 kWh

436 kWh

419 kWh

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Month	Energy (kWh)	Irradiation (kWh/m²)
January	447	107
February	510	124
March	621	154
April	674	172
May	754	195
June	732	191
July	804	212
August	791	210
September	707	185
October	562	142
November	436	106
December	419	100
Total	7,456	1,897

Environmental Impact

CO2 Saved Per Year

1,737 kg

Equivalent Trees Planted

79 trees

Optimal Panel Angle

36° tilt

Technical Details

Data Source: EU PVGIS v5.3
Coordinates: 41.12466°N, 8.58463°W
System Loss: 14%
Optimal Inclination: 36°
Optimal Azimuth: 5°
Yearly Irradiation: 1897 kWh/m2
Retail Electricity Price: 0.220 EUR/kWh
Feed-in Tariff: 0.060 EUR/kWh
Install Cost: 1,100 EUR/kWp

€1,661

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