Transmission Lines Market Size, Share & Trends Analysis Report By Installation Type (Overhead, Underground, Submarine), By Voltage Level (Low-voltage Lines (below 1 kV), Medium-voltage Lines (1 kV to 33 kV), High-voltage Lines (33 kV to 220 kV), Ultra-High Voltage Lines (above 220 kV)), By Current Type (Alternating Current (AC), High Voltage Direct Current (HVDC)), By Application (Utility-owned Systems, IPP & Renewable Developer Systems, Industrial Captive Systems, Transport & Rail Systems) and By Region (North America, Europe, APAC, Middle East and Africa, LATAM) Forecasts, 2026-2034