electrical substation with multiple power lines, insulators, and metal structures against a background of trees and sky

substation electricity power lines insulators metal structure transmission grid energy infrastructure high-voltage cables engineering network utility distribution supply voltage industrial equipment electric conductor technology tower circuit generator system transformer station current connection construction outdoor aerial conduit supplychain framework towering powerline electricgrid distributionline utilitypole subgrid highpower electricsystem powerstation energyflow control transmissionline conductors electromechanical stability engineeringdesign lattice infrastructuregrid electricalwiring resistance voltagecontrol electropower engineeringgrid mechanics industrialzone maintenance electrotechnology substationgrid electricpower gridlines powercircuit insulation industrialengineering technologygrid electricflow electricalconductors transmissiongrid electrified background environment industry electromagnetism