ISO INTERNATIONAL STANDARD 50004 Second edition 2020-06 Energy management systems - Guidance for the implementation maintenance and improvement of an Is0 50001 energy management system Systemes de management de I'energie Lignes directrices pour la mise en oeuvre, la maintenance et I'amelioration d'un systeme de management de I'énergie de I'ls0 50001 Reference number IS0 50004:2020(E) ISO @ ISO 2020 IS0 50004:2020(E) COPYRIGHTPROTECTEDDOCUMENT @ ISO 2020 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting below or Iso's member body in the country of the requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 0111 Fax: +41 22 749 09 47 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ii @ IS0 2020 - All rights reserved