How much energy do solar panels produce in Koper?

A 5 kWp solar panel system in Koper, Slovenia produces approximately 6,693 kWh per year, based on EU PVGIS data.

How much can you save with solar panels in Koper?

A 5 kWp system without battery saves approximately €545 per year (accounting for 21% self-consumption and feed-in tariff for surplus). The payback period is 10.1 years.

What is the optimal panel angle in Koper?

The optimal tilt angle for solar panels in Koper is 39 degrees facing -3 degrees from south.

Solar Panels in Koper

Slovenia · 45.55°N, 13.73°E

Solar Potential

Good

1,339 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

6,693kWh

Net Annual Savings

€545

Payback Period

10.1 yrs

25-Year Net

€11,543

Savings Breakdown

Self-consumed (21% of 6,693 kWh)1,406 kWh × 0.200 €/kWh

→ Savings from own usage+€281

Injected to grid (79% of production)5,288 kWh × 0.050 €/kWh

→ Feed-in revenue+€264

Net Annual Savings€545

Installation cost (5 kWp × 1,100 €/kWp)€5,500

Data Confidence: Estimated

Note: Feed-in tariff and policy data for Slovenia is estimated and may not reflect current regulations.

Slovenia Solar Policy

Net metering ended Oct 2024. Market-based surplus compensation.

Source: Industry estimate, not officially verified

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

368 kWh

431 kWh

605 kWh

646 kWh

677 kWh

714 kWh

763 kWh

723 kWh

617 kWh

497 kWh

330 kWh

323 kWh

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Month	Energy (kWh)	Irradiation (kWh/m²)
January	368	86
February	431	103
March	605	147
April	646	163
May	677	175
June	714	189
July	763	205
August	723	193
September	617	159
October	497	123
November	330	79
December	323	76
Total	6,693	1,699

Environmental Impact

CO2 Saved Per Year

1,559 kg

Equivalent Trees Planted

71 trees

Optimal Panel Angle

39° tilt

Technical Details

Data Source: EU PVGIS v5.3
Coordinates: 45.5482°N, 13.72963°E
System Loss: 14%
Optimal Inclination: 39°
Optimal Azimuth: -3°
Yearly Irradiation: 1699 kWh/m2
Retail Electricity Price: 0.200 EUR/kWh
Feed-in Tariff: 0.050 EUR/kWh
Install Cost: 1,100 EUR/kWp

€1,959

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