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Haynes and Boone, LLP

Jennifer Littlefield

Jennifer Littlefield



  • Energy Power and Natural Resources
  • Energy Regulatory
  • Power and Renewables

WSG Practice Industries


Jennifer Littlefield is a member of the Energy, Power and Natural Resources Practice Group in the Austin office of Haynes and Boone.

Jennifer represents electric cooperatives, renewable energy generators, and other clients on a wide range of electric power regulatory matters, including compliance with state and federal rules governing the electric industry, establishing or expanding operations in the ERCOT market, and contested case proceedings and rulemakings before the Public Utility Commission of Texas (PUCT).

With a previous background at both the PUCT and the Electric Reliability Council of Texas (ERCOT), Jennifer has extensive experience in electric power regulatory matters and an in-depth knowledge of the complex regulatory requirements for ERCOT wholesale and retail electricity market participants. She advises clients on compliance with the Public Utility Regulatory Act, PUCT rules, North American Electric Reliability Corporation Standards, Federal Energy Regulatory Commission policy matters, and ERCOT policy matters.

Jennifer is an active supporter of the Austin Independent School District (AISD), serving on the AISD Facilities and Bond Planning Advisory Committee and the Boundary Advisory Committee.

Bar Admissions

Texas, 2010


University of Texas at Austin School of Law, Law, 2010, J.D.
Texas State University, Undergraduate, 2002, B.A., Political Science
Areas of Practice

Energy Power and Natural Resources | Energy Regulatory | Power and Renewables

Professional Career

Significant Accomplishments

Compliance training for wholesale electricity market transactions and operations in the ERCOT market.

Regulatory investigation proceeding before the PUCT and Texas Reliability Entity.

Retail Electric Provider agreements.

FERC Publishes 2020 Summer Energy Market and Reliability Assessment
Haynes and Boone, LLP, May 2020

On May 21, 2020, the Federal Energy Regulatory Commission’s Offices of Energy Policy and Innovation and Electric Reliability jointly published and released their 2020 Summer Energy Market and Reliability Assessment. The report provides an overview of key market events and data for the nation’s ISOs/RTOs as well as a discussion on reliability in the various power regions for summer 2020. The report includes the following key items that are summarized below...

Bulk-Power System Executive Order: Implications for Current Projects, Future Projects, and NERC Compliance
Haynes and Boone, LLP, May 2020

On May 1, 2020, President Donald Trump issued an Executive Order declaring a national emergency with respect to threats to the U.S. bulk-power system posed by the unrestricted supply of bulk power equipment by persons owned by, controlled by, or subject to the jurisdiction or direction of a foreign adversary, presumably including China, a source for many of the components impacted by the Executive Order...

Force Majeure Issues Impacting the Power Sector
Haynes and Boone, LLP, April 2020

The power sector has responded rapidly to the Coronavirus pandemic by following Emergency Operations Plans, some of which specifically include responses to epidemics. The reliability of the grids across the United States have been maintained and power providers are necessary to the continued functioning of the country...

WSG's members are independent firms and are not affiliated in the joint practice of professional services. Each member exercises its own individual judgments on all client matters.

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