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Framework Release 3.0 Background Since the release of the last edition of the NIST Smart Grid Framework and Roadmap for Interoperability Standards (Release 2.0), 1 in February 2012, significant technological advances in smart grid infrastructure have been implemented, supported by standards development across the entire smart grid arena. Examples include widespread deployment of wirelesscommunication power meters, availability of customer energy usage data through the Green Button initiative, remote sensing for determining real-time transmission and distribution status, and protocols for electric vehicle charging. The first release of the NIST Framework and Roadmap for Smart Grid Interoperability Standards (Release 1.0) 2 was published in January 2010. Release 3.0 updates NIST's ongoing efforts to facilitate and coordinate smart grid interoperability standards development and smart grid-related measurement science and technology, including the evolving and continuing NIST relationship with the Smart Grid Interoperability Panel (SGIP) public-private partnership. Over the last decade, Congress and the Administration have outlined a vision for the smart grid and have laid the policy foundation upon which it is being built. The Energy Independence and Security Act of 2007 (EISA) codified the policy of the United States to modernize the nation's electricity transmission and distribution system to create a smart electric grid. 3 The American Recovery and Reinvestment Act of 2009 (ARRA) accelerated the development of smart grid technologies, investing $4.5 billion for electricity delivery and energy reliability activities to modernize the electric grid and implement demonstration and deployment programs (as authorized under Title XIII of EISA). 4 5 The president, in his 2011 and 2012 State of the Union Addresses, reiterated his vision for a clean energy economy, 6 and he underscored the Administration's commitment in the "Blueprint for a Secure Energy Future." 7

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