Historical Usage Requests From Retail Providers


Try our new automated LOA site


  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: Sorry, not clickable. Please type in the address. ... This is how we hide it from snooping smammers.
    2. Fax: 469-484-8624
  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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