The present document is a technical specification of SAREF4ENER, an extension of SAREF [[2]](#[2]) that was created in collaboration with  EEBus ([http://www.eebus.org/en](http://www.eebus.org/en)), the major Germany-based industry association, and the Flexiblepower Alliance Network (FAN, [https://flexible-energy.eu/](https://flexible-energy.eu/)) to enable the interconnection of their (different) data models.