Electricity Today T&D Magazine

As electric power systems grow in complexity, the need for real-time monitoring and control has never been greater. At the center of this transformation is SCADA—Supervisory Control and Data Acquisition—a system architecture that enables utilities to collect, process, and act on data from remote field devices. From high-voltage substations to distributed energy resources (DERs), SCADA platforms are the nerve center of modern grid operations.

SCADA systems provide utilities with critical operational visibility, allowing for effective grid management, improved reliability, and faster fault detection. As demand increases for automation, decentralized energy integration, and advanced analytics, SCADA’s role continues to expand well beyond its traditional boundaries.

SCADA Architecture: Core Components and Functions
The basic architecture of a SCADA system consists of three primary layers: field devices, communication infrastructure, and the central control system. Together, these layers enable seamless remote monitoring and control of electrical assets across wide geographic areas.

Field Devices: These...