“Modern software solutions for utilities” only becomes useful when you map it by layer. A utility runs a stack, and each layer has a distinct job, a distinct vendor set, and a distinct integration into the system of record.
The core: CIS and billing
This is the system of record for customers, contracts, rates, and bills. The three serious options are SAP IS-U / S/4HANA Utilities, Oracle Customer Care and Billing (CC&B), and Cayenta CIS for the municipal and mid-market tier. Choosing among them is the highest-stakes decision in the stack; the Oracle vs SAP comparison and the Cayenta CIS review cover it.
Meter data management (MDM)
MDM validates and stores interval and AMI meter reads before they reach billing. Cayenta ships SmartWorks MDM in-suite; SAP and Oracle offer their own MDM, and Itron and Landis+Gyr provide head-end and meter-data layers. Clean MDM is what keeps high-volume billing accurate.
Outage management (OMS)
OMS turns meter and call data into a picture of who is out and why. Oracle Utilities Network Management, Cayenta’s DataVoice OMS, and the ADMS platforms from GE Vernova and Schneider Electric operate here.
GIS and the spatial layer
Utilities are spatial businesses: poles, wires, pipes, and service points live on a map. Esri ArcGIS dominates utility GIS, feeding asset locations into OMS, work management, and increasingly into the CIS for service-point accuracy.
How the layers fit
The pattern that works is a strong CIS as the system of record, with MDM, OMS, and GIS integrated around it through standard interfaces (in SAP environments, often via IDocs, covered in the SAP IDocs guide). Buying a “modern platform” without deciding the CIS first is the common, expensive mistake. Start from the core and integrate outward.