Solar Panels in Guimarães

Portugal · 41.44°N, 8.30°W

4out of 5

Solar Potential

Very Good

1,421 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

7,107kWh

Net Annual Savings

€654

Payback Period

8.4 yrs

25-Year Net

€14,788

Savings Breakdown

Self-consumed (20% of 7,107 kWh)1,421 kWh × 0.220 €/kWh
→ Savings from own usage+€313
Injected to grid (80% of production)5,686 kWh × 0.060 €/kWh
→ Feed-in revenue+€341
Net Annual Savings€654
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

429 kWh
482 kWh
590 kWh
629 kWh
708 kWh
692 kWh
784 kWh
780 kWh
680 kWh
532 kWh
402 kWh
398 kWh
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
MonthEnergy (kWh)Irradiation (kWh/m²)
January429103
February482118
March590147
April629161
May708185
June692183
July784210
August780210
September680179
October532135
November40298
December39896
Total7,1071,826

Environmental Impact

CO2 Saved Per Year

1,656 kg

Equivalent Trees Planted

75 trees

Optimal Panel Angle

35° tilt

Technical Details

Data Source
EU PVGIS v5.3
Coordinates
41.44443°N, 8.29619°W
System Loss
14%
Optimal Inclination
35°
Optimal Azimuth
2°
Yearly Irradiation
1826 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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