About Dynegy

Contact Us

Corporate Headquarters
601 Travis Street, Suite 1400
Houston, TX 77002
713.507.6400
800.633.4704

Illinois Regional Office
1500 Eastport Plaza Drive
Collinsville, IL 62234

Ohio Regional Office
​312 Walnut Street, Suite 1500
Cincinnati, OH 45202

713.507.6466
800.800.8220
ir@dynegy.com

713.767.5800

866.968.7396

The Dynegy Integrity Helpline is a toll-free phone line that allows you to ask questions and report ethics and compliance issues or concerns. This Helpline is answered by an independent service provider and is always available.