Energy efficiency is high on the political agenda as governments seek to reduce wasteful energy consumption, strengthen energy security and cut greenhouse gas emissions. However, the lack of data for developing proper indicators to measure energy efficiency often prevents countries from transforming declarations into actions.

This manual identifies the main sectoral indicators and the data needed to develop these indicators; and to make surveying, metering and modeling practices existing all around the world available to all. It has been developed with a companion document, Energy Efficiency Indicators: Essentials for Policy Making, as a starting point towards enabling policymakers to understand where greater efficiency is needed, to implement appropriate policies and to measure their impact.