Turn utility data into understandable building-energy metrics.
Estimate energy-use intensity, annual costs, schedule effects, lighting scenarios, demand charges and simple payback without pretending to replace an energy audit or engineering design.
Useful numbers, visible assumptions
These tools are built for early-stage planning and operational review. You supply the rates, quantities, periods and performance assumptions that belong to your situation; the site shows the arithmetic and explains what can change the result.
Popular calculators
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 →Practical guides
Commercial Building Energy Benchmarking
A practical framework for commercial building energy benchmarking, including the data to collect, assumptions to document, comparisons to make and limits to recognize.
Open →Understanding Energy Use Intensity
A practical framework for understanding energy use intensity, including the data to collect, assumptions to document, comparisons to make and limits to recognize.
Open →How to Read Commercial Energy Bills
A practical framework for how to read commercial energy bills, including the data to collect, assumptions to document, comparisons to make and limits to recognize.
Open →Weather Normalization: What It Means
A practical framework for weather normalization: what it means, including the data to collect, assumptions to document, comparisons to make and limits to recognize.
Open →Finding Building Baseload
A practical framework for finding building baseload, including the data to collect, assumptions to document, comparisons to make and limits to recognize.
Open →Lighting Energy Planning
A practical framework for lighting energy planning, including the data to collect, assumptions to document, comparisons to make and limits to recognize.
Open →Built for international use
Most tools avoid hard-coding currency, utility rates, labour rates, legal thresholds or regional benchmarks. Use consistent units and the rates that apply where you operate.
Editorial approach
We favour primary government, standards and technical sources for definitions and safety boundaries.
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