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About Caitlin

Caitlin Tweed works with clients in the natural gas, oil, and electric industries to obtain Federal Energy Regulatory Commission (FERC) and state authorizations related to major projects, rates and proposed transactions. Caitlin focuses on advising natural gas pipelines on a wide range of FERC regulatory issues, including tariff matters, certificate applications and abandonment proceedings, rate cases and compliance with standards of conduct. She also has experience advising oil and gas pipelines on regulatory issues before state commissions, including the Texas Railroad Commission.

In 2015, Caitlin went on secondment to a commodities trading firm, where she worked on the compliance team and assisted with implementation of compliance programs centering on FERC, Commodity Futures Trading Commission (CFTC), and exchange regulations and enforcement actions. Caitlin continues to assist energy and commodity trading firms with FERC and CFTC compliance and investigations. In addition, Caitlin has experience advising municipal issuers on regulatory matters relating to compliance with federal securities law.


Recent Notable Matters

AP Energy Holdings Inc and South Field Energy LLC — $1.3 billion project financing and equity arrangements for the construction of the South Field Energy project, a 1,182 megawatt combined-cycle natural gas electric generating facility located near Wellsville, Ohio

Targa Resources Partners LP — participating in rate case litigation before FERC, including handling discovery and motions

Mercuria Energy America, Inc. — successfully petitioning for a capacity release waiver from FERC

Various energy clients — tracking rulemaking process for gas-electric coordination efforts by FERC and NAESB

Various natural gas producers — successfully obtaining capacity release waivers from FERC for transactions involving production assets and associated transportation contracts

NGPA Section 311 storage company — drafting and filing significant amendments to the Statement of Operating Conditions on file with FERC and with the Texas Railroad Commission

Black Hills Shoshone Pipeline, LLC — successfully petitioning FERC for abandonment by sale of the Shoshone Pipeline

Various municipal issuers — assessing past compliance with Continuing Disclosure Agreements for purposes of self-reporting under the SEC’s MCDC Program



American University, Washington College of Law,
The University of Chicago,

Bar Admissions

District of Columbia




Energy Bar Association
Women’s Council on Energy and the Environment





FERC Accepts PJM Capacity Performance Proposal

On June 9, 2015, FERC issued an order accepting PJM's proposal to modify its forward capacity market, the Reliability Pricing Model ("RPM"), to establish a new capacity product, the Capacity Performance Resource. PJM's proposal is designed to tighten the performance standards applicable to resources that receive a capacity obligation through the RPM and is intended to address poor resource performance that has been experienced since implementation of the RPM, especially during the 2014 polar vortex. Once implemented, PJM's proposal will impose more stringent performance standards on...

FERC Approves $3.25 Million Civil Penalty in Southwest Blackout Case

July 8, 2014

On July 7, the Federal Energy Regulatory Commission (FERC) approved a stipulation and consent agreement between FERC's Office of Enforcement, the North American Electric Reliability Corporation (NERC) and Arizona Public Service Company (APS) resolving FERC and NERC's joint investigation into APS's involvement in the September 8, 2011 Southwest Blackout. The Southwest Blackout was a system disturbance in the Pacific Southwest that affected transmission in Arizona, California and Mexico, and ultimately caused a complete blackout of San Diego. FERC and NERC found that APS violated certain of the...



American University Washington College of Law
National Security Law Brief
Staff Member