CSA Group Information technology — Data centres — Key performance indicators — Part 3: Renewable energy factor (REF) (Adopted ISO/IEC 30134-3:2016, first edition, 2016-04-15)

CSA Preface Standards development within the Information Technology sector is harmonized with international standards development. Through the CSA Technical Committee on Information Technology (TCIT), Canadians serve as the SCC Mirror Committee (SMC) on ISO/IEC Joint Technical Committee 1 on Information Technology (ISO/IEC JTC1) for the Standards Council of Canada (SCC), the ISO member body for Canada and sponsor of the Canadian National Committee of the IEC. Also, as a member of the International Telecommunication Union (ITU), Canada participates in the International Telegraph and Telephone Consultative Committee (ITU-T).  Scope This part of ISO/IEC 30134  a) defines the renewable energy factor (REF) of a data centre  b) specifies a methodology to calculate and to present the REF, and  c) provides information on the correct interpretation of the REF.