标准编号：ISO 50049:2020
中文名称：国家、地区和城市各级能源效率和能源消耗变化的计算方法
英文名称：Calculation methods for energy efficiency and energy consumption variations at country, region and city levels
发布日期：2020-09
标准范围
This document gives guidelines for methods for analysing changes in energy efficiency and energy
consumption, and for measuring energy efficiency progress, for countries, regions and cities. It is
composed of three different calculation methods:
— evaluation of structure effects in the variation of energy intensity;
— calculation of energy efficiency indices;
— decomposition analysis of energy consumption variation.
This document is applicable to providing an aggregated statistical evaluation for a country, region or
city. It does not apply to calculating changes in the energy consumption or in energy efficiency at the
individual consumer’s level (e.g. households, organizations, companies).
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