Energy Management System (EMS) Market Segmentation by Type (System, and Service); by End-Users (Oil & Gas, Manufacturing, Building Automation, Energy & Utility, Automotive, Pharmaceutical, and Others); by Software (Building-, Industrial-, and Home-EMS); and by Devices (In-House Display Device, Load Control Switches, Smart Thermostats, and Smart Plugs) - Global Demand Analysis and Opportunity Outlook 2029