How much energy do solar panels produce in Estoril?

A 5 kWp solar panel system in Estoril, Portugal produces approximately 8,314 kWh per year, based on EU PVGIS data.

How much can you save with solar panels in Estoril?

A 5 kWp system without battery saves approximately €738 per year (accounting for 18% self-consumption and feed-in tariff for surplus). The payback period is 7.4 years.

What is the optimal panel angle in Estoril?

The optimal tilt angle for solar panels in Estoril is 34 degrees facing 3 degrees from south.

Solar Panels in Estoril

Portugal · 38.71°N, 9.40°W

Solar Potential

Excellent

1,663 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

8,314kWh

Net Annual Savings

€738

Payback Period

7.4 yrs

25-Year Net

€17,267

Savings Breakdown

Self-consumed (18% of 8,314 kWh)1,497 kWh × 0.220 €/kWh

→ Savings from own usage+€329

Injected to grid (82% of production)6,818 kWh × 0.060 €/kWh

→ Feed-in revenue+€409

Net Annual Savings€738

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

519 kWh

559 kWh

699 kWh

752 kWh

825 kWh

809 kWh

877 kWh

876 kWh

780 kWh

633 kWh

500 kWh

486 kWh

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Month	Energy (kWh)	Irradiation (kWh/m²)
January	519	124
February	559	136
March	699	172
April	752	189
May	825	210
June	809	208
July	877	226
August	876	227
September	780	200
October	633	159
November	500	122
December	486	116
Total	8,314	2,089

Environmental Impact

CO2 Saved Per Year

1,937 kg

Equivalent Trees Planted

88 trees

Optimal Panel Angle

34° tilt

Technical Details

Data Source: EU PVGIS v5.3
Coordinates: 38.70571°N, 9.39773°W
System Loss: 14%
Optimal Inclination: 34°
Optimal Azimuth: 3°
Yearly Irradiation: 2089 kWh/m2
Retail Electricity Price: 0.220 EUR/kWh
Feed-in Tariff: 0.060 EUR/kWh
Install Cost: 1,100 EUR/kWp

€1,802

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