Solar Panels in Castelo Branco

Portugal · 39.82°N, 7.49°W

4out of 5

Solar Potential

Very Good

1,584 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

7,918kWh

Net Annual Savings

€703

Payback Period

7.8 yrs

25-Year Net

€16,181

Savings Breakdown

Self-consumed (18% of 7,918 kWh)1,425 kWh × 0.220 €/kWh
→ Savings from own usage+€314
Injected to grid (82% of production)6,493 kWh × 0.060 €/kWh
→ Feed-in revenue+€390
Net Annual Savings€703
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

501 kWh
563 kWh
674 kWh
703 kWh
771 kWh
767 kWh
843 kWh
831 kWh
728 kWh
599 kWh
480 kWh
457 kWh
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
MonthEnergy (kWh)Irradiation (kWh/m²)
January501121
February563138
March674169
April703181
May771204
June767208
July843233
August831229
September728195
October599154
November480118
December457110
Total7,9182,059

Environmental Impact

CO2 Saved Per Year

1,845 kg

Equivalent Trees Planted

84 trees

Optimal Panel Angle

35° tilt

Technical Details

Data Source
EU PVGIS v5.3
Coordinates
39.82364°N, 7.49101°W
System Loss
14%
Optimal Inclination
35°
Optimal Azimuth
-1°
Yearly Irradiation
2059 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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