Korea has launched a national smart grid project to achieve green growth in a proactive, transparent, comprehensive, and effective way. The project envisions laying the foundation for a low-carbon, green-growth economy by building a smart grid. It will thus serve as a yardstick with which to evaluate the future of Korea's green-growth economy. Korea's ambitious plan to build a smart grid is evidence of its determination to realize its low carbon and green-growth strategy. In this article, a national vision and road map toward the smart grid in Korea will be presented, followed by a discussion of future policy directions for the successful implementation of the smart grid.