John Wiedmayer, CDP

John Wiedmayer is a Senior Project Manager, Depreciation Studies, for Gannett Fleming Valuation and Rate Consultants, LLC. He has over 30 years of consulting experience and has conducted numerous depreciation, valuation, and cost of service studies for clients in the electric, gas, railroad, telephone, water, and wastewater industries. 

John holds a B.A. from Lafayette College in Engineering and an M.B.A. from Penn State University. Mr. Wiedmayer’s research paper for his M.B.A. was devoted to electric utility industry restructuring. He has completed five week-long courses of depreciation training offered by Depreciation Programs, Inc. in Grand Rapids, MI. He is a member of the National Society of Professional Engineers and the Pennsylvania Society of Professional Engineers. Mr. Wiedmayer has provided expert testimony related to depreciation in several states (MO, ME, IL, NY, PA, KY, AZ, MD, NJ, CT, and UT) and provinces (Newfoundland and Labrador, and Nova Scotia); and before the FERC. John served on the SDP Board and was SDP President in 2005.