HubSystem Sizing
System Sizing Calculator
Complete BOM with panel count, inverter quantity, cost range, and freight pallets for residential through utility-scale.
B2B Solar System Sizing
Size your solar project in 3 simple steps, from ZIP code to procurement-ready BOM.
Tell us about your project
We'll customize calculations based on your project type and location.
Used for solar irradiance, electricity rates, and incentive data
We'll use your local rate ($-/kWh) to estimate consumption and recommend a system size
US-Manufactured Equipment (ITC Adder)
Prefer USA-manufactured components