⚡ 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 2,600 kWh/Month in Zurich, Switzerland

Complete photovoltaic engineering breakdown for a 2,600 kWh/month (86.7 kWh/day) electricity profile in Zurich, Switzerland (3.6 Peak Sun Hours/day).

Recommended Solar Array30.36 kWp69× 440W Solar Panels
LiFePO4 Battery Bank66.2 kWh56.3 kWh Usable + 27.1 kW Inverter
Annual Solar Generation31,914 kWhRoof Area: 141.4 m² (1522 ft²)
Estimated Annual SavingsCHF 9,255/yrPayback: ~7.9 yrs · 13.4t CO₂

Technical Specification Table — 2,600 kWh/Month Solar System (Zurich, Switzerland)

Monthly / Daily Electricity Consumption2,600 kWh/month (86.7 kWh/day)
Location Peak Sun Hours (PSH)3.6 hours/day (Zurich, Switzerland)
Required PV System Size (80% Performance Ratio)30.36 kWp DC
Number of Solar Panels (440W N-Type Bifacial)69 panels
Roof Area Required141.4 m² (1,522 sq ft)
Recommended Hybrid Inverter Rating27.1 kW AC
Recommended LiFePO4 Battery Storage (85% DoD)66.2 kWh Nominal (56.3 kWh Usable)
Estimated Annual Output31,914 kWh/year (~2,660 kWh/month)
Estimated System Turnkey Cost (Before Tax Credits)CHF 72,864
Annual Electricity Bill Savings (@ CHF 0.29/kWh)CHF 9,255/year (CHF 771/month)

Frequently Asked Questions

How many solar panels are needed for 2,600 kWh per month in Zurich, Switzerland?

With an average of 3.6 Peak Sun Hours per day in Zurich, Switzerland and an 80% system performance ratio, a monthly usage of 2,600 kWh (86.7 kWh/day) requires a 30.36 kWp solar array, which equals 69 standard 440W N-Type solar panels occupying 141.4 m² (1522 sq ft) of roof space.

What size solar battery bank do I need for 2,600 kWh/month?

To cover evening and overnight loads (65% of daily consumption at 85% LiFePO4 depth of discharge), a 66.2 kWh nominal (56.3 kWh usable) LiFePO4 battery bank paired with a 27.1 kW hybrid inverter is recommended.

How much money will a 30.36 kW solar system save in Zurich, Switzerland?

Generating approximately 31,914 kWh per year at an average local tariff of CHF 0.29/kWh, the system saves CHF 9,255 per year (CHF 771/month) with an estimated payback period of 7.9 years.