Aspire Power Ventures, LP v. Public Utility Commission of Texas, Electric Reliability Council of Texas, Thomas Gleeson, Lori Cobos, Jimmy Glotfelty, Kathleen Jackson, and Courtney Hjaltman

ACCEPTED
15-24-00118-CV
FIFTEENTH COURT OF APPEALS
AUSTIN, TEXAS
12/11/2025 5:04 PM
No. 15-24-00118-CV CHRISTOPHER A. PRINE
____________________________________________________________________________________________________________________________________ CLERK
COURT OF APPEALS FOR THE FILED IN
15th COURT OF APPEALS
FIFTEENTH DISTRICT OF TEXAS AUSTIN, TEXAS
AUSTIN, TEXAS 12/11/2025 5:04:32 PM
____________________________________________________________________________________________________________________________________
CHRISTOPHER A. PRINE
Clerk
Aspire Power Ventures, LP,
Appellant,
v.
Public Utility Commission of Texas, Electric Reliability Council
of Texas, Thomas Gleeson, Lori Cobos, Jimmy Glotfelty,
Kathleen Jackson, and Courtney Hjaltman,
Appellees.
_________________________________________________________________
On Appeal from the 345th Judicial District Court
Travis County, Texas
Cause No. D-1-GN-24-003384
Hon. Catherine A. Mauzy, Presiding
____________________________________________________________________________________________________________________________________

UNOPPOSED MOTION FOR LEAVE TO WITHDRAW
____________________________________________________________________________________________________________________________________

Chrysta L. Castañeda Monica Latin
Texas Bar No. 15325625 Brent M. Rubin
chrysta@castaneda-firm.com Ken Carroll
Nicole Michael CARRINGTON, COLEMAN,
THE CASTAÑEDA FIRM SLOMAN & BLUMENTHAL, L.L.P.
325 N. St. Paul, Suite 2030 901 Main Street, Suite 5500
Dallas, Texas 75201 Dallas, Texas 75202
Phone: (214) 282-8579 Phone: (214) 855-3000
Fax: (214) 602-9187 Fax: (214) 580-2641

Attorneys for Appellant Aspire Power Ventures, LP
Chrysta L. Castañeda and Nicole Michael move this Court for

leave for themselve and The Castañeda Firm to withdraw from this

case as counsel for Appellant Aspire Power Ventures, LP (“Aspire”).

Monica W. Latin, an attorney of record in this case, is designated as

lead counsel for the appeal, replacing Chrysta L. Castañeda in that role.

1. Aspire Power Ventures, LP (“Aspire”) is currently

represented in this matter by Chrysta L. Castañeda and Nicole Michael

of the The Castañeda Firm and Monica W. Latin, Brent M. Rubin, and

Ken Carroll, of the law firm Carrington Coleman Sloman & Blumenthal,

L.L.P. Chrysta L. Castañeda is currently lead counsel for Aspire in this

appeal. Chrysta L. Castañeda is retiring from the practice of law by the

end of this year, at which time The Castañeda Firm will cease

operations.

2. Monica W. Latin, Brent M. Rubin, Ken Carroll, and the law

firm Carrington Coleman Sloman & Blumenthal, L.L.P. will continue as

counsel for Appellant Aspire in this matter. Aspire is designating

Monica W. Latin as lead counsel for this appeal, replacing Chrysta L.

Castañeda in that role. Pursuant to Texas Rule of Appellate Procedure

2
6.5(d), the necessary information for Monica W. Latin is provided in the

signature block below.

CONCLUSION

Chrysta L. Castañeda and Nicole Michael respectfully pray that

this Court issue an order granting leave for them and The Castañeda

Firm to withdraw as counsel of record for Appellant Aspire.

Respectfully submitted,

/s/ Chrysta L. Castañeda /s/ Monica Latin
Chrysta L. Castañeda Monica Latin
Texas Bar No. 15325625 Texas Bar No. 00787881
chrysta@castaneda-firm.com MLatin@ccsb.com
Nicole Michael Brent M. Rubin
Texas Bar No. 24067767 Texas Bar No. 24086834
nicole@castaneda-firm.com BRubin@ccsb.com
THE CASTAÑEDA FIRM Ken Carroll
325 N. St. Paul, Suite 2030 Texas Bar No. 03888500
Dallas, Texas 75201 KCarroll@ccsb.com
Phone: (214) 282-8579 CARRINGTON, COLEMAN,
Fax: (214) 602-9187 SLOMAN & BLUMENTHAL, L.L.P.
901 Main Street, Suite 5500
Dallas, Texas 75202
Phone: (214) 855-3000
Fax: (214) 580-2641

Attorneys for Appellant Aspire Power Ventures, LP

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CERTIFICATE OF CONFERENCE

I, the undersigned attorney, hereby certify to the Court that I
have conferred with Appellee’s counsel regarding the above motion who
have indicated that Appellees are not opposed to the relief sought in the
motion.

/s/ Chrysta L. Castañeda
Chrysta L. Castañeda

CERTIFICATE OF SERVICE ON COUNSEL

The undersigned hereby certifies that on December 11, 2025, a
true and correct copy of the foregoing document was electronically filed
with the Court and served on all counsel of record through the eFiling
Service Provider pursuant to the Texas Rules of Civil Procedure.

/s/ Ken Carroll
Ken Carroll

CERTIFICATE OF SERVICE ON APPELLANT

Pursuant to Tex. R. App. P. 6.5(b), the undersigned also certifies
that a copy of this Unopposed Motion for Leave to Withdraw was sent
by certified and first-class mail to Appellant Aspire Power Ventures, LP
at its last known address, as reflected below, on December 11, 2025:

Barry Hammond Jr.,
Aspire Power Ventures, LP
1302 Waugh Drive #539
Houston, Texas, 777019

/s/ Ken Carroll
Ken Carroll

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Automated Certificate of eService
This automated certificate of service was created by the efiling system.
The filer served this document via email generated by the efiling system
on the date and to the persons listed below. The rules governing
certificates of service have not changed. Filers must still provide a
certificate of service that complies with all applicable rules.

Ken Carroll on behalf of Ken Carroll
Bar No. 3888500
kcarroll@ccsb.com
Envelope ID: 109013348
Filing Code Description: Motion
Filing Description: Unopposed Motion for Leave to Withdraw
Status as of 12/12/2025 7:23 AM CST

Case Contacts

Name BarNumber Email TimestampSubmitted Status

Mark Little mark.little@bakerbotts.com 12/11/2025 5:04:32 PM SENT

Macey Stokes macey.stokes@bakerbotts.com 12/11/2025 5:04:32 PM SENT

David Laurent david.laurent@oag.texas.gov 12/11/2025 5:04:32 PM SENT

Laura Courtney laura.courtney@oag.texas.gov 12/11/2025 5:04:32 PM SENT

George Fibbe george.fibbe@bakerbotts.com 12/11/2025 5:04:32 PM SENT

Patrick Leahy patrick.leahy@bakerbotts.com 12/11/2025 5:04:32 PM SENT

Brent M.Rubin brubin@ccsb.com 12/11/2025 5:04:32 PM SENT

Ken Carroll kcarroll@ccsb.com 12/11/2025 5:04:32 PM SENT

Elliot Clark eclark@winstead.com 12/11/2025 5:04:32 PM SENT

Elin Isenhower eisenhower@winstead.com 12/11/2025 5:04:32 PM SENT

John Hulme John.Hulme@oag.texas.gov 12/11/2025 5:04:32 PM SENT

James ScottMcCarley scott.mccarley@oag.texas.gov 12/11/2025 5:04:32 PM SENT

Chrysta L.Castaneda chrysta@castaneda-firm.com 12/11/2025 5:04:32 PM SENT

Nicole Michael nicole@castaneda-firm.com 12/11/2025 5:04:32 PM SENT

Monica Latin mlatin@ccsb.com 12/11/2025 5:04:32 PM SENT

Amanda AtkinsonCagle Amanda.Cagle@oag.texas.gov 12/11/2025 5:04:32 PM SENT

Jordan Pratt Jordan.Pratt@oag.texas.gov 12/11/2025 5:04:32 PM SENT