Energy Academy
Energy Management System Framework3 / 12

Baseline & Energy Performance Indicators

Baseline energy consumption; KPIs (kWh/m², £/unit output); improvement tracking.

10 min read · Jacob Willis, Net Zero Lead · Last reviewed July 2026


You cannot manage what you do not measure, and you cannot show improvement without a reference point. The energy baseline and energy performance indicators are the measurement foundation of an ISO 50001 system - how it tracks whether energy performance is actually improving.

In this lesson

  • 01The energy baseline
  • 02Energy performance indicators (EnPIs)
  • 03Consumption versus performance
  • 04Establishing them
  • 05Tracking improvement
  • 06The role in continual improvement
  • 07Sources and further reading