Solar Panels in Mainz

Germany · 49.98°N, 8.28°E

2out of 5

Solar Potential

Moderate

1,109 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

5,547kWh

Net Annual Savings

€825

Payback Period

7.9 yrs

25-Year Net

€19,654

Savings Breakdown

Self-consumed (23% of 5,547 kWh)1,276 kWh × 0.384 €/kWh
→ Savings from own usage+€489
Injected to grid (77% of production)4,271 kWh × 0.079 €/kWh
→ Feed-in revenue+€336
Net Annual Savings€825
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

195 kWh
303 kWh
513 kWh
640 kWh
665 kWh
664 kWh
667 kWh
617 kWh
545 kWh
375 kWh
207 kWh
156 kWh
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
MonthEnergy (kWh)Irradiation (kWh/m²)
January19546
February30371
March513124
April640160
May665169
June664173
July667176
August617161
September545139
October37592
November20750
December15637
Total5,5471,397

Environmental Impact

CO2 Saved Per Year

1,292 kg

Equivalent Trees Planted

59 trees

Optimal Panel Angle

38° tilt

Technical Details

Data Source
EU PVGIS v5.3
Coordinates
49.98185°N, 8.28008°E
System Loss
14%
Optimal Inclination
38°
Optimal Azimuth
-2°
Yearly Irradiation
1397 kWh/m2
Retail Electricity Price
0.384 EUR/kWh
Feed-in Tariff
0.079 EUR/kWh
Install Cost
1,300 EUR/kWp

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