⚡ 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 2,400 kWh/Month in Geneva, Switzerland

Complete photovoltaic engineering breakdown for a 2,400 kWh/month (80.0 kWh/day) electricity profile in Geneva, Switzerland (3.8 Peak Sun Hours/day).

Recommended Solar Array26.4 kWp60× 440W Solar Panels
LiFePO4 Battery Bank61.2 kWh52.0 kWh Usable + 23.6 kW Inverter
Annual Solar Generation29,293 kWhRoof Area: 123.0 m² (1324 ft²)
Estimated Annual SavingsCHF 8,788/yrPayback: ~7.4 yrs · 12.3t CO₂

Technical Specification Table — 2,400 kWh/Month Solar System (Geneva, Switzerland)

Monthly / Daily Electricity Consumption2,400 kWh/month (80.0 kWh/day)
Location Peak Sun Hours (PSH)3.8 hours/day (Geneva, Switzerland)
Required PV System Size (80% Performance Ratio)26.4 kWp DC
Number of Solar Panels (440W N-Type Bifacial)60 panels
Roof Area Required123.0 m² (1,324 sq ft)
Recommended Hybrid Inverter Rating23.6 kW AC
Recommended LiFePO4 Battery Storage (85% DoD)61.2 kWh Nominal (52.0 kWh Usable)
Estimated Annual Output29,293 kWh/year (~2,441 kWh/month)
Estimated System Turnkey Cost (Before Tax Credits)CHF 64,680
Annual Electricity Bill Savings (@ CHF 0.3/kWh)CHF 8,788/year (CHF 732/month)

Frequently Asked Questions

How many solar panels are needed for 2,400 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 2,400 kWh (80.0 kWh/day) requires a 26.4 kWp solar array, which equals 60 standard 440W N-Type solar panels occupying 123.0 m² (1324 sq ft) of roof space.

What size solar battery bank do I need for 2,400 kWh/month?

To cover evening and overnight loads (65% of daily consumption at 85% LiFePO4 depth of discharge), a 61.2 kWh nominal (52.0 kWh usable) LiFePO4 battery bank paired with a 23.6 kW hybrid inverter is recommended.

How much money will a 26.4 kW solar system save in Geneva, Switzerland?

Generating approximately 29,293 kWh per year at an average local tariff of CHF 0.3/kWh, the system saves CHF 8,788 per year (CHF 732/month) with an estimated payback period of 7.4 years.