ROI Calculator – HRES

Solar Panel Calculator

Find out how much you could save with solar

Calculate your solar panel savings

Roof Size (sqm) *

Current Energy Usage (kWh / month) *

Desired Backup Duration (hours or days)

Roof Load Strength / Weight Capacity

Street Address

Apartment, suite, etc

City

State/Province

ZIP / Postal Code

Country

Result

Number of Panels

Type of Panel

Panel Wattage/Capacity

ROI Estimate