Power grid Puzzle

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Across
  1. 4. : Long-distance transfer of electricity across networks
  2. 10. : Facility where voltage is stepped down for distribution
  3. 12. : Rotating device used to generate power
  4. 14. : Flow of electric charge
  5. 17. : Industrial facility where electricity is generated
  6. 19. : Conduit used to transport gas, water, or other utilities
  7. 20. : Routine servicing to prevent equipment failure
Down
  1. 1. : Protective tube for cables or pipes
  2. 2. : Structural base that supports heavy systems
  3. 3. : Large-scale physical systems like power, roads, and utilities
  4. 5. : Primary material used in structural frameworks
  5. 6. : Interconnected system of components
  6. 7. : Delivery of electricity from substations to users
  7. 8. : Energy produced using moving water
  8. 9. : Energy generated from sunlight
  9. 11. : Device that changes voltage levels
  10. 13. : Interconnected electrical network system
  11. 15. : Maximum load a system can handle
  12. 16. : Electrical pressure that drives current
  13. 18. : Device that interrupts excess electrical current