Dave Yankee

Managing Director | Deloitte Tax LLP

US Power & Utilities Tax Leader

Dave Yankee

111 S. Wacker Drive

Suite 1800​



United States


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Dave is a managing director in the Federal Tax Accounting (Periods, Methods & Credits) group of the Washington National Tax practice of Deloitte Tax LLP and is the US Power & Utilities Tax Leader for the firm. He is based in Deloitte’s Chicago office and serves in an industry advisory role on several gas and electric utilities throughout the United States, as a specialist, as needed, to engagement teams in other Deloitte offices and as Deloitte’s lead tax executive on a rate-regulated utility engagement. In prior years, he served as Deloitte’s lead tax partner on several rate-regulated utilities and two unregulated power generation companies.

Dave regularly advises clients in the areas of planning, evaluating, and supporting federal income tax reporting positions and by reviewing or preparing tax returns. His work with power and gas companies has also included consultation and representation with respect to IRS controversies; drafting/reviewing Form 3115s (Application for Change in Accounting Method), participation in accounting method reviews; and, serving as a tax specialist on financial statement audits by Deloitte & Touche LLP.

He has assisted regulated public utilities model the ratemaking effects of tax benefits, compute the tax components of rate base and cost of service, draft/review pre-filed rate case testimony, draft/review IRS ruling requests, and meet with public utility commission staff and IRS National Office personnel regarding normalization issues.

Dave has made presentations on federal income tax developments pertaining to the utility industry at seminars sponsored by the tax committee of Edison Electric Institute, the combined tax committees of the American Gas Association and the Interstate Natural Gas Association of America, Tax Executives Institute, the staff subcommittee on accounting and finance of the National Association of Regulatory Utility Commissioners, SNL/EXNET, PowerPlan Consultants, Infocast, and the Institute for International Research. Dave also leads the Deloitte courses Utility Industry Book/Tax Differences and Financial Reporting for Income Taxes: Rate-regulated Utilities and is responsible for updating the content of these courses.

Dave holds a BS in Commerce (Accountancy) degree and an MS in Taxation degree from DePaul University. Dave is a licensed certified public accountant (Illinois) and is a member of the American Institute of Certified Public Accountants (Tax Division).

Dave Yankee