⚡ 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 Stockholm, Sweden

Complete photovoltaic engineering breakdown for a 2,600 kWh/month (86.7 kWh/day) electricity profile in Stockholm, Sweden (3.1 Peak Sun Hours/day).

Recommended Solar Array35.2 kWp80× 440W Solar Panels
LiFePO4 Battery Bank66.2 kWh56.3 kWh Usable + 31.4 kW Inverter
Annual Solar Generation31,863 kWhRoof Area: 164.0 m² (1765 ft²)
Estimated Annual Savingskr 58,947/yrPayback: ~8.7 yrs · 13.38t CO₂

Technical Specification Table — 2,600 kWh/Month Solar System (Stockholm, Sweden)

Monthly / Daily Electricity Consumption2,600 kWh/month (86.7 kWh/day)
Location Peak Sun Hours (PSH)3.1 hours/day (Stockholm, Sweden)
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)66.2 kWh Nominal (56.3 kWh Usable)
Estimated Annual Output31,863 kWh/year (~2,655 kWh/month)
Estimated System Turnkey Cost (Before Tax Credits)kr 510,400
Annual Electricity Bill Savings (@ kr 1.85/kWh)kr 58,947/year (kr 4,912/month)

Frequently Asked Questions

How many solar panels are needed for 2,600 kWh per month in Stockholm, Sweden?

With an average of 3.1 Peak Sun Hours per day in Stockholm, Sweden and an 80% system performance ratio, a monthly usage of 2,600 kWh (86.7 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 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 31.4 kW hybrid inverter is recommended.

How much money will a 35.2 kW solar system save in Stockholm, Sweden?

Generating approximately 31,863 kWh per year at an average local tariff of kr 1.85/kWh, the system saves kr 58,947 per year (kr 4,912/month) with an estimated payback period of 8.7 years.