Resource library
Calculators
Free browser-based commercial building energy management calculators with visible assumptions.
Energy Use Intensity Calculator
Calculate site energy use per unit of building floor area.
Open →Annual Energy Cost Calculator
Estimate energy cost from annual consumption and your blended unit rate.
Open →Energy Cost per Area Calculator
Calculate annual energy cost per unit of building floor area.
Open →Energy Savings Scenario
Compare baseline and proposed consumption and estimate savings at your unit rate.
Open →Lighting Energy Scenario
Estimate annual lighting-energy reduction from connected load, operating hours and a reduction percentage.
Open →Operating Schedule Energy
Estimate annual energy associated with a steady entered load and operating schedule.
Open →Demand Charge Scenario
Estimate annual demand-charge exposure from billed demand, demand rate and billing months.
Open →Simple Payback Calculator
Estimate simple payback from project cost and expected annual savings.
Open →