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ISO/TC 257  - General technical rules for determination of energy savings in renovation projects, industrial enterprises and regions

Standards and projects under the direct responsibility of ISO/TC 257 Secretariat

Standard and/or project	Stage	ICS
0ISO/NP 17741 General technical rules for measurement, calculation and verification of energy savings of projects	10.99	27.010
1ISO/CD 17742 General calculation methods on energy efficiency and savings for countries, regions or cities	30.60	27.010
2ISO/CD 17743 Definition of a methodological framework applicable to calculation and reporting on energy savings	30.60	27.010
3ISO/NP 17747 General calculation methods on energy efficiency and savings for organisations and other enterprises	10.99	27.010