The electric power system is changing with the rise of distributed energy resources (DER) connected to the distribution system. In many settings these distributed resources already affect the grid, and their projected expansion may significantly change the technical, operational, environmental and financial character of the electricity sector. To realize the full value of distributed resources and to serve all consumers at established standards of quality and reliability, the need has arisen to integrate DER in the planning and operation of the electricity grid - what EPRI is calling the Integrated Grid. EPRI has been working on this three-phase initiative to provide stakeholders with information and tools to facilitate this transition

The first two phases of work have been explored in two reports: The Integrated Grid: Realizing the Full Value of Central and Distributed Energy Resources and The Integrated Grid: A Benefit-Cost Framework. The intent of these papers is to align stakeholders on the main issues while outlining real examples to support open fact-based discussion. Input and review were provided by various stakeholders from the energy sector including utilities, regulatory agencies, equipment suppliers, non-governmental organizations (NGOs) and other interested parties. Phase III of the initiative is underway as a myriad of pilot projects with EPRI members are putting the Framework into action by testing the analysis through actual and proposed scenarios.