What is an ESIID?

ESIID stands for "Electric Service Identifier ID," and it is used for electricity customers in Texas. It is the 17 or 22-digit number used to identify a unique point of electric service delivery to your home or business. The ESIID for your home or business is combines information pertaining to the Transmission and Distribution Service Provider (TDSP, also known as the utility company) for your area and your physical street address. This is not the same as your meter number or your account number with Direct Energy, and the number is not assigned or generated by Direct Energy.

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