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LOA - Historical Usage

Online

Try our new automated LOA site

FAX

  1. Go to ERCOT to download the letter of authorization (LOA) doc
  2. Complete the LOA.
  3. Submit to TNMP via fax or e-mail.
    1. E-mail is preferred: LOA@tnmp.com
    2. Fax: 469-484-8623
  4. We will e-mail the LOA back to you - with historical usage - within 3 business days.

Be sure to include the e-mail address to which we should return the LOA.

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