This IDC Energy Insights Perspective discusses recent market developments showing how cellular supports smart grid. Until recently, commercial cellular solutions played a minor role in North America (NA) smart grid deployments. However, utilities have begun to turn toward commercial cellular as another means to ensure data delivery, security, and accessibility for utility applications. The impact is that cellular is now part of any serious dialogue with regard to communication network strategies to support smart grid. To what degree are utilities considering commercial cellular in their deployment plans?