⚡ 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 1,700 kWh/Month in Geneva, Switzerland

Complete photovoltaic engineering breakdown for a 1,700 kWh/month (56.7 kWh/day) electricity profile in Geneva, Switzerland (3.8 Peak Sun Hours/day).

Recommended Solar Array18.92 kWp43× 440W Solar Panels
LiFePO4 Battery Bank43.3 kWh36.8 kWh Usable + 16.9 kW Inverter
Annual Solar Generation20,994 kWhRoof Area: 88.1 m² (948 ft²)
Estimated Annual SavingsCHF 6,298/yrPayback: ~7.4 yrs · 8.82t CO₂

Technical Specification Table — 1,700 kWh/Month Solar System (Geneva, Switzerland)

Monthly / Daily Electricity Consumption1,700 kWh/month (56.7 kWh/day)
Location Peak Sun Hours (PSH)3.8 hours/day (Geneva, Switzerland)
Required PV System Size (80% Performance Ratio)18.92 kWp DC
Number of Solar Panels (440W N-Type Bifacial)43 panels
Roof Area Required88.1 m² (948 sq ft)
Recommended Hybrid Inverter Rating16.9 kW AC
Recommended LiFePO4 Battery Storage (85% DoD)43.3 kWh Nominal (36.8 kWh Usable)
Estimated Annual Output20,994 kWh/year (~1,750 kWh/month)
Estimated System Turnkey Cost (Before Tax Credits)CHF 46,354
Annual Electricity Bill Savings (@ CHF 0.3/kWh)CHF 6,298/year (CHF 525/month)

Frequently Asked Questions

How many solar panels are needed for 1,700 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 1,700 kWh (56.7 kWh/day) requires a 18.92 kWp solar array, which equals 43 standard 440W N-Type solar panels occupying 88.1 m² (948 sq ft) of roof space.

What size solar battery bank do I need for 1,700 kWh/month?

To cover evening and overnight loads (65% of daily consumption at 85% LiFePO4 depth of discharge), a 43.3 kWh nominal (36.8 kWh usable) LiFePO4 battery bank paired with a 16.9 kW hybrid inverter is recommended.

How much money will a 18.92 kW solar system save in Geneva, Switzerland?

Generating approximately 20,994 kWh per year at an average local tariff of CHF 0.3/kWh, the system saves CHF 6,298 per year (CHF 525/month) with an estimated payback period of 7.4 years.