How much energy do solar panels produce in Grefrath?

A 5 kWp solar panel system in Grefrath, Germany produces approximately 5,352 kWh per year, based on EU PVGIS data.

How much can you save with solar panels in Grefrath?

A 5 kWp system without battery saves approximately €796 per year (accounting for 23% self-consumption and feed-in tariff for surplus). The payback period is 8.2 years.

What is the optimal panel angle in Grefrath?

The optimal tilt angle for solar panels in Grefrath is 40 degrees facing -2 degrees from south.

Solar Panels in Grefrath

Germany · 51.34°N, 6.34°E

Solar Potential

Moderate

1,070 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

5,352kWh

Net Annual Savings

€796

Payback Period

8.2 yrs

25-Year Net

€18,735

Savings Breakdown

Self-consumed (23% of 5,352 kWh)1,231 kWh × 0.384 €/kWh

→ Savings from own usage+€472

Injected to grid (77% of production)4,121 kWh × 0.079 €/kWh

→ Feed-in revenue+€324

Net Annual Savings€796

Installation cost (5 kWp × 1,300 €/kWp)€6,500

Germany Solar Policy

Feed-in tariff guaranteed 20 years. 0% VAT on solar since 2023. FiT degresses 1% every 6 months.

Source: BNetzA, 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

194 kWh

284 kWh

471 kWh

604 kWh

647 kWh

641 kWh

636 kWh

589 kWh

517 kWh

377 kWh

232 kWh

160 kWh

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Month	Energy (kWh)	Irradiation (kWh/m²)
January	194	45
February	284	67
March	471	114
April	604	150
May	647	164
June	641	165
July	636	166
August	589	152
September	517	130
October	377	92
November	232	55
December	160	38
Total	5,352	1,337

Environmental Impact

CO2 Saved Per Year

1,247 kg

Equivalent Trees Planted

57 trees

Optimal Panel Angle

40° tilt

Technical Details

Data Source: EU PVGIS v5.3
Coordinates: 51.3363°N, 6.34072°E
System Loss: 14%
Optimal Inclination: 40°
Optimal Azimuth: -2°
Yearly Irradiation: 1337 kWh/m2
Retail Electricity Price: 0.384 EUR/kWh
Feed-in Tariff: 0.079 EUR/kWh
Install Cost: 1,300 EUR/kWp

€1,467

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