Final answer:
Customers using Oracle Utilities Enterprise SaaS are generally responsible for the implementation, configuration, and extensions of the service to meet their specific business needs, while Oracle maintains the software and infrastructure.
Step-by-step explanation:
When utilizing Oracle Utilities Enterprise SaaS, customers typically have responsibilities that extend beyond simply using the service. Oracle usually handles the underlying infrastructure, software maintenance, and security within the SaaS offering. However, customers are often responsible for the implementation, configuration, and creating any necessary extensions specific to their business needs. Implementation involves the initial setup and integration with existing systems. Configuration pertains to customizing the applications to fit the business's processes. Extensions relate to any additional custom functions or features that a business might require.