Solar Panels in Sete Rios

Portugal · 38.74°N, 9.16°W

4out of 5

Solar Potential

Very Good

1,598 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

7,988kWh

Net Annual Savings

€709

Payback Period

7.8 yrs

25-Year Net

€16,373

Savings Breakdown

Self-consumed (18% of 7,988 kWh)1,438 kWh × 0.220 €/kWh
→ Savings from own usage+€316
Injected to grid (82% of production)6,550 kWh × 0.060 €/kWh
→ Feed-in revenue+€393
Net Annual Savings€709
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

499 kWh
534 kWh
673 kWh
713 kWh
793 kWh
781 kWh
857 kWh
852 kWh
751 kWh
604 kWh
477 kWh
455 kWh
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
MonthEnergy (kWh)Irradiation (kWh/m²)
January499120
February534130
March673167
April713181
May793205
June781204
July857224
August852224
September751196
October604153
November477117
December455109
Total7,9882,030

Environmental Impact

CO2 Saved Per Year

1,861 kg

Equivalent Trees Planted

85 trees

Optimal Panel Angle

33° tilt

Technical Details

Data Source
EU PVGIS v5.3
Coordinates
38.74134°N, 9.16133°W
System Loss
14%
Optimal Inclination
33°
Optimal Azimuth
4°
Yearly Irradiation
2030 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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