100 Constellation Way, Suite 1200C
Baltimore, MD 21202

800-4Energy fax: 800-4Energy

Constellation, an Exelon company, is a leading competitive supplier of power, natural gas, renewable energy and energy management products and services for homes and businesses across the continental U.S. We provide integrated energy solutions that help customers strategically buy, manage and use their energy. Our customers, including two-thirds of the Fortune 100, rely on our commitment to innovation, reliability, transparency and service. That is the kind of value you and your communities can expect from Constellation.


Christopher Abbuehl
Business Development Manager
215.390.2065 fax: 800.436.3749

John Dukes
Executive Director of Federal Sales, East
410.470.3744 fax: 800.436.3749

Christy Johnson
Manager, Marketing
410.470.5452 fax: 800.436.3749

YaLonda Lockett
Executive Director of Federal Sales, West
972.813.6122 fax: 800.436.3749

Cherise Seals
Business Development Manager
410.470.4239 fax: 800.436.3749