The IBM Smart Grid Reference Framework is a reference to assist IT and Enterprise architects in the development of smart grid enterprise architectures or solution architectures within the smart grid domain. It offers conceptual models and guidance. It is tool agnostic and can be adapted to suit a utility's priorities and circumstances. The reference framework offers and outlines what designs and approaches are possible or necessary to develop a smart grid solution in an E&U enterprise, i.e. to help the enterprise develop solutions in an integrated manner. Planning for and delivering smart grid solutions require a structured process. The reference framework therefore is built to be compatible with key enterprise architecture methodology work products. It provides a broad range of conceptual models that can help the user and/or other actors (e.g. metering system, MDMS, EMS, etc.) to review their approach towards smart grid, reflect on existing priorities and move the enterprise through the development process.