Power of Attorney

Know all by these presents, that the undersigned hereby constitutes and appoints
each of Benjamin D. Nelson and Gregory S. Imhoff, signing singly, as the
undersigned's true and lawful attorney-in-fact to:

1.
Execute for and on behalf of the undersigned, in the undersigned's capacity as a
stockholder of InfraREIT, Inc. (the "Company"), Form ID -Uniform Application for
Access Codes to file on Edgar, Forms 3, 4 and 5 and any other forms required to
be filed in accordance with Section 16(a) of the Securities Exchange Act of 1934
(the "Exchange Act") and the rules thereunder and any and all instruments,
statements, forms, filings and other documents required by Section 13(d) of the
Exchange Act and the rules thereunder, including, but not limited to, Schedules
13D and 13G (a "Form");

2.
Do and perform any and all acts for and on behalf of the undersigned which may
be necessary or desirable to complete and execute any such Form, complete and
execute any amendment or amendments thereto and timely file such form with the
United States Securities and Exchange Commission and any stock exchange or
similar authority; and

3.
Take any other action of any type whatsoever in connection with the foregoing
which, in the opinion of such attorney-in-fact, may be of benefit to, in the
best interest of, or legally required by, the undersigned, it being understood
that the documents executed by such attorney-in-fact on behalf of the
undersigned pursuant to this Power of Attorney shall be in such form and shall
contain such terms and conditions as such attorney-in-fact may approve in his
discretion.


The undersigned hereby grants to each such attorney-in-fact full power and
authority to do and perform any and every act and thing whatsoever requisite,
necessary or proper to be done in the exercise of any of the rights and powers
herein granted, as fully to all intents and purposes as the undersigned might or
could do if personally present, with full power of substitution or revocation,
hereby ratifying and confirming all that such attorney-in-fact, or his
substitute or substitutes, shall lawfully do or cause to be done by virtue of
this Power of Attorney and the rights and powers herein granted. The undersigned
acknowledges that the foregoing attorneys-in-fact, in serving in such capacity
at the request of the undersigned, are not assuming, nor is the Company
assuming, any of the undersigned's responsibilities to comply with Section 16 of
the Securities Exchange Act of 1934.
This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file any Forms pursuant to Sections 13(d)
and 16(a) of the Exchange Act and the rules thereunder with respect to the
undersigned's holdings of and transactions in securities relating to the
Company, unless earlier revoked by the undersigned in a signed writing delivered
to the foregoing attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power if Attorney to be
executed as of this 26 day of January, 2015.


                  Teachers Insurance and Annuity Association of America
                             By: /s/ Mario Masely
                             Title: Director