Solar Panels in Ribeira de Frades

Portugal · 40.21°N, 8.48°W

4out of 5

Solar Potential

Very Good

1,493 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

7,466kWh

Net Annual Savings

€663

Payback Period

8.3 yrs

25-Year Net

€14,945

Savings Breakdown

Self-consumed (18% of 7,466 kWh)1,344 kWh × 0.220 €/kWh
→ Savings from own usage+€296
Injected to grid (82% of production)6,122 kWh × 0.060 €/kWh
→ Feed-in revenue+€367
Net Annual Savings€663
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

480 kWh
530 kWh
621 kWh
652 kWh
726 kWh
700 kWh
793 kWh
785 kWh
695 kWh
573 kWh
458 kWh
453 kWh
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
MonthEnergy (kWh)Irradiation (kWh/m²)
January480116
February530130
March621155
April652167
May726189
June700185
July793211
August785210
September695184
October573146
November458112
December453109
Total7,4661,914

Environmental Impact

CO2 Saved Per Year

1,740 kg

Equivalent Trees Planted

79 trees

Optimal Panel Angle

36° tilt

Technical Details

Data Source
EU PVGIS v5.3
Coordinates
40.20503°N, 8.47929°W
System Loss
14%
Optimal Inclination
36°
Optimal Azimuth
5°
Yearly Irradiation
1914 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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