Substation Market Size (By Technology: Conventional, and Digital; By Component: Substation Automation System, Communication Network, Electrical System, Monitoring & Control System, and Others; By Connectivity:? 33 kV, > 33 kV to ? 110 kV, > 110 kV to ? 220 kV, > 220 kV to ? 550 kV, and > 550 kV; By Application: Transmission and Distribution; By Voltage Level: Low, Medium, and High, and By End-Use: Utility and Industrial) – Global Industry Analysis, Market Size, Opportunities and Forecast 2021 – 2028