This document establishes the terms, definitions, symbols and abbreviations used in the fields related to hydrogen in energy systems.
This document is not applicable to the following fields:
— biological methanation,
— reactors for hydrogen production from other sources,
— road, maritime and aviation transport,
— aeronautics and space.
Note These fields are foreseen to be covered in future editions of this document.
This document does not apply to carbon capture, storage and utilisation, as well as services.
Life cycle
NOW
IN_DEVELOPMENT prSSH EN ISO 24078:2025 40.20
DIS ballot initiated: 12 weeks Feb 9, 2026
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