Solar Panels in Arrentela

Portugal · 38.63°N, 9.10°W

5out of 5

Solar Potential

Excellent

1,624 kWh per kWp installed capacity

Your Solar Savings Estimate

Configure system size and battery to see realistic savings

Data last updated: March 2026

Annual Output

8,121kWh

Net Annual Savings

€721

Payback Period

7.6 yrs

25-Year Net

€16,737

Savings Breakdown

Self-consumed (18% of 8,121 kWh)1,462 kWh × 0.220 €/kWh
→ Savings from own usage+€322
Injected to grid (82% of production)6,659 kWh × 0.060 €/kWh
→ Feed-in revenue+€400
Net Annual Savings€721
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

513 kWh
550 kWh
688 kWh
724 kWh
797 kWh
786 kWh
859 kWh
859 kWh
756 kWh
622 kWh
490 kWh
477 kWh
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
MonthEnergy (kWh)Irradiation (kWh/m²)
January513123
February550134
March688171
April724184
May797206
June786205
July859225
August859226
September756197
October622158
November490120
December477115
Total8,1212,063

Environmental Impact

CO2 Saved Per Year

1,892 kg

Equivalent Trees Planted

86 trees

Optimal Panel Angle

34° tilt

Technical Details

Data Source
EU PVGIS v5.3
Coordinates
38.625°N, 9.10151°W
System Loss
14%
Optimal Inclination
34°
Optimal Azimuth
4°
Yearly Irradiation
2063 kWh/m2
Retail Electricity Price
0.220 EUR/kWh
Feed-in Tariff
0.060 EUR/kWh
Install Cost
1,100 EUR/kWp

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