John D. Stewart


Market Analysis and Resource Planning:
Demand response, Distributed generation, Energy efficiency, Net metering, Smart grid

Cost of capital and return on equity, Cost of service studies (marginal and embedded), Incentive regulation, Rate design, Regulatory policy, Regulatory strategy, Revenue requirements

John D. Stewart

Vice President

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Summary of Experience

John D. Stewart, Vice President, has over 30 years of experience on utility finance, ratemaking and regulatory policy issues at Concentric and the New York State Public Service Commission (“NYPSC”).  At Concentric, Mr. Stewart has worked on a variety of regulatory matters ranging from rate of return and reliability-must-run cost of service revenue requirement estimates to activity based savings estimates resulting from specific corporate transactions.  During three decades at the NYPSC, he testified as an expert witness and presented analyses directly to the Commission on a range of topics including rate of return, capital structure, financial integrity/cash flow adequacy, mergers and acquisitions, generation divestiture, prudence standards, revenue decoupling, demand side management, and renewable resources.  More recently, while serving as the Managing Director of the NYPSC’s Offices of Accounting & Finance, Regulatory Economics, Energy Efficiency and the Environment, and Electric Gas & Water, Mr. Stewart was a senior technical and policy advisor to the Commission.


M.B.A., the State University of New York at Albany
B.S., Business Administration, St. John Fisher College

Testified Before

Federal Energy Regulatory Commission; Federal Nuclear Regulatory Agency; Maine Public Utilities Commission; New York Public Service Commission

Case Studies

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