This document defines the roles, role architecture, function models, and typical scenarios of a photovoltaic power supply management system for highway mobility services. The following are within the scope of this documents: a) The basic role model, operational layer role model, and service layer role model of the photovoltaic power supply management system for mobility; b) The role architecture of various stakeholders involved in providing photovoltaic power supply management services, along with their respective duties and responsibilities; c) Typical scenarios for providing photovoltaic power supply services.