Identifying & Managing Significant Energy Use5 / 12
Significant Energy Uses (SEU) Analysis
Which processes/equipment use most energy; Pareto 80-20 rule.
10 min read · Jacob Willis, Net Zero Lead · Last reviewed July 2026
Not all energy uses are equal. A small number usually dominate consumption, and focusing effort there delivers most of the savings. Identifying these significant energy uses is a central requirement of ISO 50001 and a powerful principle in its own right.
In this lesson
- 01What an SEU is
- 02The Pareto principle
- 03Conducting an energy review
- 04Significance by consumption and by opportunity
- 05Understanding the SEUs
- 06Focusing resources
- 07The ongoing nature
- 08Sources and further reading