a system of software and hardware such as computers, networked data communications, and graphical user interfaces that provide for local or remote supervision and control of larger systems such as substations, which are often unattended.
Tracks equipment and system operations in near real-time and notifies operators of what's happening (or not happening).
Lots of providers and options; can be very confusing
Widespread deployment of SCADA will be a necessary part of the transition to 100% renewable energy. Technology system communication standards need to be unified to ease their integration.