This article examines the issues surrounding sustainable economic development in American Indian country via the implementation of solar energy projects. The second section addresses Native American economic development, generally, focusing on practical sovereignty, capable institutions, and cultural match. The third section discusses solar energy projects: the benefits of solar energy when compared to other types of energy production; the ways that these projects will benefit Indian country specifically; and the rationale behind implementing solar energy projects as a means to sustainable economic development in Indian country. The fourth section will briefly discuss the question: Given the advantages of solar energy that the article advocates, why is the uptake in Indian country not already prolific?