The future Smart Grid will be a transformation of the current electric grid. The key enablers for this transformation will be dynamic rates and the ability for customers and the utility to communicate and respond in real time. This in turn will produce an environment that encourages technology development to enable facilities to benefit from active load management including load shedding and shifting, energy storage, and on-site generation. This demand side responsiveness (elasticity) then provides tremendous flexibility for grid operation, enabling buildings to absorb fluctuations due to intermittent renewable generation. This paper lays out the critical role of buildings in enabling the Smart Grid, addresses the primary barriers to building integration in the Smart Grid, the role of the National Institute of Standards and Technology in coordinating Smart Grid standards and presents activities underway now to address standards for commercial building interaction in the Smart Grid.