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What are TDU charges?

  • TDU stands for Transmission and Distribution Utility
  • TDU Charges are fees that are passed directly to regional utilities for the management and maintenance of physical electricity infrastructure like power lines and transformers
  • There are six deregulated TDUs in Texas:
    • Oncor
    • CenterPoint
    • AEP Central
    • AEP North
    • Texas-New Mexico Power
    • Lubbock Power & Light
  • Residential electricity providers do not set or collect TDU charges. They are passed directly to the utility.
  • TDU charges are updated every March 1 and September 1, but can be updated more frequently as well.