How much energy do solar panels produce in São Martinho do Bispo?

A 5 kWp solar panel system in São Martinho do Bispo, Portugal produces approximately 7,469 kWh per year, based on EU PVGIS data.

How much can you save with solar panels in São Martinho do Bispo?

A 5 kWp system without battery saves approximately €663 per year (accounting for 18% self-consumption and feed-in tariff for surplus). The payback period is 8.3 years.

What is the optimal panel angle in São Martinho do Bispo?

The optimal tilt angle for solar panels in São Martinho do Bispo is 36 degrees facing 5 degrees from south.

Solar Panels in São Martinho do Bispo

Portugal · 40.21°N, 8.46°W

Solar Potential

Very Good

1,494 kWh per kWp installed capacity

Your Solar Savings Estimate

Configure system size and battery to see realistic savings

Data last updated: March 2026

System Size

Battery Storage

Annual Output

7,469kWh

Net Annual Savings

€663

Payback Period

8.3 yrs

25-Year Net

€14,953

Savings Breakdown

Self-consumed (18% of 7,469 kWh)1,344 kWh × 0.220 €/kWh

→ Savings from own usage+€296

Injected to grid (82% of production)6,125 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

481 kWh

530 kWh

621 kWh

652 kWh

725 kWh

700 kWh

792 kWh

785 kWh

695 kWh

573 kWh

458 kWh

455 kWh

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Month	Energy (kWh)	Irradiation (kWh/m²)
January	481	116
February	530	130
March	621	155
April	652	167
May	725	189
June	700	185
July	792	211
August	785	210
September	695	184
October	573	146
November	458	112
December	455	110
Total	7,469	1,915

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: 40.21021°N, 8.45692°W
System Loss: 14%
Optimal Inclination: 36°
Optimal Azimuth: 5°
Yearly Irradiation: 1915 kWh/m2
Retail Electricity Price: 0.220 EUR/kWh
Feed-in Tariff: 0.060 EUR/kWh
Install Cost: 1,100 EUR/kWp

€1,585

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