Ms. Coffin is a founding partner of the law firm of Coffin Renner LLP, which specializes in the representation of electric, gas, and telecommunications utilities before regulatory agencies and the Texas courts. Coffin Renner is certified as a women-owned and operated business by the Women’s Business Enterprise National Council.
Ann has held positions at both the Public Utility Commission of Texas and the Railroad Commission of Texas. Her practice encompasses a wide range of administrative areas, including utility rate change applications and proceedings for which transactional approval or CNN authority is sought. Ann and her firm are consistently recognized by peers as a leader in the state regulatory and litigation fields and by other organizations, including Chambers USA and U.S. News & World Report.
- Included by Chambers USA as Leaders in their Field, Energy: State Regulatory & Litigation (Oil & Gas) (Texas) and Chambers USA “Leading Lawyers for Business” since 2011
- Selected for inclusion by Thomson Reuters in Texas Super Lawyers: 2005-2007, 2011-2022
- Listed in The Best Lawyers in America© in the fields of Administrative/Regulatory Law and Energy Law, 2016 – 2024
- Lawyer Monthly Women in Law Award Winner 2014 – 2022
- Listed in Expert Guides “Best of the Best USA” for Energy and Natural Resources Lawyers, 2016 – 2017, 2020 – 2022
- Chambers USA Women in Law Awards 2013, Energy & Projects Lawyer of the Year Nominee
- Public Utility Commission of Texas
- Director of Enforcement, 1997 – 1998
- Assistant General Counsel, 1995 – 1997
- Railroad Commission of Texas
- Hearings Examiner, Oil and Gas Division and Transportation Division, 1993 – 1995
- Lead and co-counsel in numerous appeals from administrative agency orders, involving Texas electric transmission and distribution utility, Texas natural gas local distribution utilities, and Texas intrastate, natural gas transmission pipeline utility
- Successful 2011 Texas Supreme Court case involving Atmos Energy Corporation, CenterPoint Energy and Texas Gas Service Company;
- Successful 2011 Third Court of Appeals case involving administrative agency adoption of alternative rate adjustment mechanism;
- Representing electric transmission and distribution utility, Texas natural gas local distribution utilities, and Texas intrastate, natural gas transmission pipeline utility in numerous administrative appeals in the Travis County District Courts
- Lead counsel for a Texas electric transmission utility in connection with its 2012 and 2014 rate filings before the Public Utility Commission of Texas
- Lead counsel for Texas electric transmission and distribution utility in connection with its 2010 system-wide rate filing before the Public Utility Commission of Texas
- Lead counsel for one of the country’s largest natural gas only distributors in rate proceedings and other matters before the Railroad Commission of Texas
- Lead counsel for Texas intrastate, natural gas transmission pipeline company in connection with its 2010 and 2017 system-wide rate filings before the Railroad Commission of Texas
- Lead counsel in successful defense of natural gas local distribution company in connection with Railroad Commission of Texas’ prudence review of approximately $40 million in natural gas purchases
- Routinely represent and advise clients in rulemaking and compliance-related proceedings
- State Bar of Texas, 1993
- Public Utility Law Section, Member
- Executive Committee Member, 2000 – 2003, 2011 – 2014
- Public Utility Law Section, Member
- Texas Utility Lawyers
- President 2013
- Executive Committee Member 2013-2017
- American Bar Association
- Austin Bar Association 1993
- Austin Young Lawyers Association
- Association of Women in Energy
Education
- George Washington University Law School 1993, J.D.
- Moot Court Board
- Southern Methodist University 1990, Bachelor of Science
Professional Licenses
- State Bar of Texas, 1993
Contact
Call Ann directly at (512) 879-0915 or use the form below to send her an email: