Mark R. Johnson

Steptoe & Johnson LLP

Throughout his career, Mark Johnson has provided forward-thinking legal counsel and regulatory and legislative advice to advance the interests of his clients, which include some of the nation’s largest energy companies. Focusing on the challenges and opportunities that competitive markets and technological disruption present, Mark has established himself as an energy industry leader in Illinois and beyond.

In 2017 he was recognized by the Financial Times in the North America Innovative Lawyers report for his involvement in the drafting and passage of Illinois’ comprehensive Future Energy Jobs Act.

Mark’s leading-edge energy counseling and litigation-related experience covers a diverse set of issues critical to the successful implementation of his clients’ regulatory strategies and objectives. Among these key issues, Mark advises on traditional and performance-based formula ratemaking, Smart Grid, energy efficiency, renewable energy, distributed generation and net metering, clean coal, energy procurement, utility restructuring and competitive market development, municipal aggregation, and financing.

Mark’s experience includes representing clients before public utilities commissions and courts, as well as preparing, implementing, and interpreting legislation related to these issues. In addition to his energy practice, Mark has substantial experience in the areas of white-collar crime and antitrust litigation and counseling.

Professional Affiliations:

  • Board Member, StreetWise, Inc.
  • Member, American Bar Association, Sections of Environment, Energy, and Resources and Public Utilities, Committee on Renewable Energy
  • Member, Chicago Bar Association and Chair, Energy, Telecommunications and Water Committee
  • Member, Energy Bar Association


  • J.D., University of Iowa College of Law, 2002, with distinction
  • B.A., Wheaton College, 1999, cum laude, Philosophy


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What types of cases Attorney Mark R. Johnson & Steptoe & Johnson LLP can handle?
Steptoe & Johnson LLP can handle cases related to laws concerning Litigation, Energy Utilities & Environmental. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is Steptoe & Johnson LLP located?
Steptoe & Johnson LLP is located at 115 S LaSalle St #3100, Chicago, IL 60603, USA. You can reach out to Steptoe & Johnson LLP using their phone line +1 312 577 1285. You can also check their website
How much would it cost to hire Steptoe & Johnson LLP?
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Steptoe & Johnson LLP
South LaSalle Street 115
Chicago 60603 IL US
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