The ARENHA project M42 consortium meeting has been held last October 19th- 20th, 2023. The meeting was hosted by TECNALIA in Donostia-Sab Sebastián (Spain) with online attendance also available. The consortium discussed the status and progress of the project in the different work packages addressing: the business case; the systems requirements, design and modelling of key component and the progress on the prototypes set-ups and, finally, the environmental LCA, economic and safety assessment. Information on the different dissemination and communication activities are presented in the ARENHA public website. Stay tuned.