Global Gas-Insulated Substation Market Size, Share And Report Analysis By Voltage (Medium Voltage, High Voltage, Extra-High Voltage), By Installation (Indoor, Outdoor), By Insulation Type (Indoor GIS, Outdoor GIS), By Application (Power Transmission, Power Distribution, Power Generation, Renewable Energy Integration, Others), By End User (Power Utilities, Industrial, Commercial & Residential, Railways & Metros, Others) , By Region and Companies Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2026 2035