Solar Panel Calculator

Estimate solar savings, system size, and return on investment

Home & Location Details

State

Available Roof Area (sq ft)

Roof Orientation

Roof Tilt: 30°

Shading Factor: 10%

Electricity Usage & System

Monthly Electric Bill

$

Electricity Rate ($/kWh)

Monthly Usage (kWh)

Check your electric bill

System Size (kW)

Leave 0 for recommendation

Panel Efficiency (%)

Include Battery Storage