⚡ 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 1,525 kWh/Month in Virginia, USA

Complete photovoltaic engineering breakdown for a 1,525 kWh/month (50.8 kWh/day) electricity profile in Virginia, USA (4.6 Peak Sun Hours/day).

Recommended Solar Array14.08 kWp32× 440W Solar Panels
LiFePO4 Battery Bank38.8 kWh33.0 kWh Usable + 12.6 kW Inverter
Annual Solar Generation18,912 kWhRoof Area: 65.6 m² (706 ft²)
Estimated Annual Savings$2,837/yrPayback: ~13.0 yrs · 7.94t CO₂

Technical Specification Table — 1,525 kWh/Month Solar System (Virginia, USA)

Monthly / Daily Electricity Consumption1,525 kWh/month (50.8 kWh/day)
Location Peak Sun Hours (PSH)4.6 hours/day (Virginia, USA)
Required PV System Size (80% Performance Ratio)14.08 kWp DC
Number of Solar Panels (440W N-Type Bifacial)32 panels
Roof Area Required65.6 m² (706 sq ft)
Recommended Hybrid Inverter Rating12.6 kW AC
Recommended LiFePO4 Battery Storage (85% DoD)38.8 kWh Nominal (33.0 kWh Usable)
Estimated Annual Output18,912 kWh/year (~1,576 kWh/month)
Estimated System Turnkey Cost (Before Tax Credits)$36,890
Annual Electricity Bill Savings (@ $0.15/kWh)$2,837/year ($236/month)

Frequently Asked Questions

How many solar panels are needed for 1,525 kWh per month in Virginia, USA?

With an average of 4.6 Peak Sun Hours per day in Virginia, USA and an 80% system performance ratio, a monthly usage of 1,525 kWh (50.8 kWh/day) requires a 14.08 kWp solar array, which equals 32 standard 440W N-Type solar panels occupying 65.6 m² (706 sq ft) of roof space.

What size solar battery bank do I need for 1,525 kWh/month?

To cover evening and overnight loads (65% of daily consumption at 85% LiFePO4 depth of discharge), a 38.8 kWh nominal (33.0 kWh usable) LiFePO4 battery bank paired with a 12.6 kW hybrid inverter is recommended.

How much money will a 14.08 kW solar system save in Virginia, USA?

Generating approximately 18,912 kWh per year at an average local tariff of $0.15/kWh, the system saves $2,837 per year ($236/month) with an estimated payback period of 13.0 years.