Skip Navigation


Report outages at one of the following numbers:

  • in the Carolinas: 800.419.6356
  • in Florida: 800.228.8485

Diagram below illustrates the major components of the system used to deliver electricity to homes and businesses. It also provides the order of restoration priority after major storms. In general, Duke Energy focuses on the largest facilities first, in an effort to restore service to as many people as quickly as possible.

Electric Delivery Diagram

From left to right (1) generation sources (power plants) and (2) transmission lines, (3) the transmission-to-distribution substation (where voltage is lowered), (4) distribution feeder (which might serve some facilities directly), (5) power pole (showing underground services to hospital), (6) fuse (designated by 'S'), (7) tap line (the type of line that runs along the streets of neighborhoods), (8) pole-top or pad-mount transformer (for reducing service voltage to individual households and businesses), and (9) service lines to individual homes.

TRUSTe online privacy certification
Report an Environmental Concern | Privacy Statement | Terms of Use | Mobile Site

© Copyright 2015 Duke Energy. All Rights reserved.