[Excerpt] This article describes career fields related to the smart grid. The first section explains our electricity transmission by the current power grid and how the smart grid improves upon that method. The second section briefly describes some of the key occupations in the smart grid, including those in the computer; engineering; installation, maintenance, and repair; and production occupational groups. The third section summarizes the credentials, such as education, training, and certification or licensure, that you need to work in these occupations. Sources of more information are provided at the end.