Strategic Research Sponsor of the American Bar Association's Section of International LawThe Queen's Award for Enterpise 2012

William A Williams

William A Williams
1501 K Street NW
District of Columbia
+1 202 736 8767
+1 202 736 8711

Biography • Energy

Bill Williams is a partner in the energy group in Sidley’s Washington, DC office. He joined the firm’s Washington office in 2006. His practice deals primarily with the representation of interstate gas and oil pipelines and other clients before the Federal Energy Regulatory Commission. He advises clients involved in litigation or commercial transactions with regulated companies and also represents clients in FERC enforcement proceedings. He currently serves as regulatory counsel for TransCanada’s Keystone oil pipeline and a number of FERC-regulated gas pipelines, including Alliance Pipeline, National Fuel Gas Supply Corp, and Empire Pipeline. He previously advised the Alaska Pipeline Project jointly sponsored by TransCanada and ExxonMobil.

Mr Williams is a member of the American Bar Association and the Energy Bar Association. He received his JD from the University of Virginia School of Law in 1977 and his BS from George Mason University in 1974. He is admitted in the District of Columbia.

This biography is an extract from Who's Who Legal: Energy which can be purchased from our Shop.

Follow us on LinkedIn

Practice Areas


Browse Firms

Search Firms

The Who's Who Legal 100


News & Features

Special Reports



About Us

It is not possible to buy entry into any Who's Who Legal publication

Nominees have been selected based upon comprehensive, independent survey work with both general counsel and private practice lawyers worldwide. Only specialists who have met independent international research criteria are listed.

Copyright © 2016 Law Business Research Ltd. All rights reserved. |

87 Lancaster Road, London, W11 1QQ, UK | Tel: +44 20 7908 1180 / Fax: +44 207 229 6910 |

Law Business Research Ltd

87 Lancaster Road, London
W11 1QQ, UK