⚡ Cu ρ (75°C): 0.0214 Ω·mm²/m 🔌 NEC / IEC Standards: NFPA 70 & IEC 60364 🇺🇸 US Grid Avg: $0.175/kWh 🇩🇪 DE Grid Avg: €0.345/kWh 🇸🇪 SE Elpris: 1.54 SEK/kWh 🇳🇴 NO Strøm: 1.17 NOK/kWh 🔩 Copper Ref: $9,650/t (2026-10-25)
☀️ Solar PV Array · 440W N-Type TOPCon · LiFePO4 Battery Storage

Solar System & Battery Sizing for 3,200 kWh/Month in Geneva, Switzerland

Complete photovoltaic engineering breakdown for a 3,200 kWh/month (106.7 kWh/day) electricity profile in Geneva, Switzerland (3.8 Peak Sun Hours/day).

Recommended Solar Array35.2 kWp80× 440W Solar Panels
LiFePO4 Battery Bank81.5 kWh69.3 kWh Usable + 31.4 kW Inverter
Annual Solar Generation39,058 kWhRoof Area: 164.0 m² (1765 ft²)
Estimated Annual SavingsCHF 11,717/yrPayback: ~7.4 yrs · 16.4t CO₂

Technical Specification Table — 3,200 kWh/Month Solar System (Geneva, Switzerland)

Monthly / Daily Electricity Consumption3,200 kWh/month (106.7 kWh/day)
Location Peak Sun Hours (PSH)3.8 hours/day (Geneva, Switzerland)
Required PV System Size (80% Performance Ratio)35.2 kWp DC
Number of Solar Panels (440W N-Type Bifacial)80 panels
Roof Area Required164.0 m² (1,765 sq ft)
Recommended Hybrid Inverter Rating31.4 kW AC
Recommended LiFePO4 Battery Storage (85% DoD)81.5 kWh Nominal (69.3 kWh Usable)
Estimated Annual Output39,058 kWh/year (~3,255 kWh/month)
Estimated System Turnkey Cost (Before Tax Credits)CHF 86,240
Annual Electricity Bill Savings (@ CHF 0.3/kWh)CHF 11,717/year (CHF 976/month)

Frequently Asked Questions

How many solar panels are needed for 3,200 kWh per month in Geneva, Switzerland?

With an average of 3.8 Peak Sun Hours per day in Geneva, Switzerland and an 80% system performance ratio, a monthly usage of 3,200 kWh (106.7 kWh/day) requires a 35.2 kWp solar array, which equals 80 standard 440W N-Type solar panels occupying 164.0 m² (1765 sq ft) of roof space.

What size solar battery bank do I need for 3,200 kWh/month?

To cover evening and overnight loads (65% of daily consumption at 85% LiFePO4 depth of discharge), a 81.5 kWh nominal (69.3 kWh usable) LiFePO4 battery bank paired with a 31.4 kW hybrid inverter is recommended.

How much money will a 35.2 kW solar system save in Geneva, Switzerland?

Generating approximately 39,058 kWh per year at an average local tariff of CHF 0.3/kWh, the system saves CHF 11,717 per year (CHF 976/month) with an estimated payback period of 7.4 years.