The document provides an overview of the history and development of cloud computing and software-as-a-service (SaaS) technologies and their potential benefits for utilities. It discusses how utilities initially struggled with smart grid modernization due to fragmented systems and big data challenges. The emergence of cloud hosting, SaaS and managed services has enabled even small and mid-sized utilities to realize the benefits of a fully integrated smart grid infrastructure. The document then covers key concepts around cloud computing models, virtualization, and the opportunities that SaaS and cloud-based analytics present for improved utility operations and planning.