Texas New Mexico Power (TNMP)

Texas-New Mexico Power is a Texas investor-owned electric utility company based in Dallas, Texas. Although the name includes New Mexico, this utility company only serves Texas.


Service Map


TNMP serves parts of the west of Texas, the north around Dallas, and the south near Houston.


West of Texas



North around Dallas


South near Houston.

Contact TNMP

You can reach TNMP on the following numbers:

  • For Customer Service 8:30 am to 7:00 pm (Mon - Fri): 888-866-7456
  • For an emergency 888-866-7456
  • By email on this
  • By mail at the following mailing address: Texas New Mexico Power Company, 577 N Garden Ridge Blvd Lewisville,, TX, 75067.

Understanding your Bill

TNMP does not issue your energy bill, only your retail energy provider does. The energy provider's bill will contain the delivery charges which TNMP receives as well as the supply charges owed to the retail provider. For any question concerning your energy bill, you must directly contact your retail energy supplier. Here is the list of energy providers in Texas.

Rates & Tariffs

For information about supply charges, delivery charges, various rates and tariffs when you are serviced by TNMP, you must contact your retail energy provider directly. Please find here a list of energy providers in Texas.

Electric Supply Prices

Charges for electricity delivery are regulated by the Texas Public Utilities Commission, and do not change very often (once or twice a year at most). Electricity prices, however, depend on demand and available supply, and can change regularly. For historical electricity rates, contact your retail energy provider (REP).

Budget Billing

Budget billing is a method for the customers to spread out their bill equally over the year, in order to avoid irregular monthly bills, mostly caused by market and seasonal variations. Budget billing with TNMP must be set up through your retail energy provider (REP). To sign up, and for additional information, you must reach out directly to your REP.

Scope of Activity

TNMP is an investor owned utility company in Texas, with 236,000 customers, and provides power transmission and distribution.

Texas New Mexico Power is a power distribution company in USA. The registered office is located in :

577 N Garden Ridge Blvd
75067 Lewisville,, TX

Activate your account with Texas New Mexico Power

You are moving and wish to activate your account with Texas New Mexico Power? It’s simple. Call Texas New Mexico Power by dialing and give :

  • Your exact address (apt. no., street no., street name, city/town, zipcode).
  • Your name.
  • Date of required activation.

Speak with a customer service agent

Do you have a question related to a commercial issue? Call the Texas New Mexico Power customer service by dialing . They can help you with questions such as you bill, rates, or the terms of your contract.

Pay your bill

When you activate your line and create an account in your name, Texas New Mexico Power may ask you to pay your bills by several options:

  • By automatic account transfer.
  • Check sent by mail.
  • Credit or debit card by telephone.
  • Cash or card at an authorized payment office.