Solar Panels in Caldas da Rainha

Portugal · 39.40°N, 9.14°W

4out of 5

Solar Potential

Very Good

1,530 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

7,649kWh

Net Annual Savings

€679

Payback Period

8.1 yrs

25-Year Net

€15,446

Savings Breakdown

Self-consumed (18% of 7,649 kWh)1,377 kWh × 0.220 €/kWh
→ Savings from own usage+€303
Injected to grid (82% of production)6,272 kWh × 0.060 €/kWh
→ Feed-in revenue+€376
Net Annual Savings€679
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

478 kWh
528 kWh
641 kWh
677 kWh
751 kWh
735 kWh
799 kWh
815 kWh
724 kWh
590 kWh
458 kWh
453 kWh
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
MonthEnergy (kWh)Irradiation (kWh/m²)
January478115
February528128
March641158
April677171
May751192
June735189
July799206
August815212
September724187
October590149
November458112
December453109
Total7,6491,926

Environmental Impact

CO2 Saved Per Year

1,782 kg

Equivalent Trees Planted

81 trees

Optimal Panel Angle

35° tilt

Technical Details

Data Source
EU PVGIS v5.3
Coordinates
39.40326°N, 9.13839°W
System Loss
14%
Optimal Inclination
35°
Optimal Azimuth
6°
Yearly Irradiation
1926 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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