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Meet The Team

Brian Uchtmann, white male, blond hair, bookcase background

Brian Uchtmann

Brian Uchtmann

Brian Uchtmann

Partner & Senior Engineer


   Brian Uchtmann, J.D., is a registered P.E. in Wisconsin with over 15 years of technical experience. He currently focuses on designing and evaluating utility energy efficiency programs, developing end user solutions, and supporting utilities, stakeholders, and regulatory bodies by providing expert analysis and a

Partner & Senior Engineer


   Brian Uchtmann, J.D., is a registered P.E. in Wisconsin with over 15 years of technical experience. He currently focuses on designing and evaluating utility energy efficiency programs, developing end user solutions, and supporting utilities, stakeholders, and regulatory bodies by providing expert analysis and audit services related to energy savings, end-user cost-of-service, and economic analysis of non-wire/non-pipe transmission and distribution alternatives.  

Brian brings a unique set of skills to the task at hand. In the past he has worked on skilled teams to provide audit and technical support to regulatory staff in Ohio, Missouri, Arkansas, and Vermont. He has worked as an engineer optimizing chemical systems in the automotive sector, served as a law clerk for the Michigan Public Service Commission, reviewed hundreds of complex energy and infrastructure projects across the country, and provided training to utility staff across the United States and Canada related to utility energy efficiency program design and compliance. Brian graduated with a J.D. degree from Michigan State College of Law and a B.S. degree in Mechanical Engineering from University of Illinois.

John Flotterud, white male, mid brown hair, black rectangular glasses, foliage background

John Flotterud

Brian Uchtmann

Brian Uchtmann

Partner & Senior Engineer


 John is a registered P.E. in Wisconsin and Minnesota with 15 years of engineering experience in the energy efficiency and sustainability fields. His work has given him experience in disaggregating energy usage for residential, commercial, and industrial customers into their usage categories and identifying energy

Partner & Senior Engineer


 John is a registered P.E. in Wisconsin and Minnesota with 15 years of engineering experience in the energy efficiency and sustainability fields. His work has given him experience in disaggregating energy usage for residential, commercial, and industrial customers into their usage categories and identifying energy efficiency opportunities including water savings and greenhouse gas emissions reductions. This work has included energy audits, feasibility studies, large research studies, and managing electric and gas utility evaluation programs. Through these experiences he has learned and understands the importance of solid engineering work, proactive project management, and inclusive stake holder meetings. John graduated with a B.S. degree in Mechanical Engineering from the Milwaukee School of Engineering.  

Ryan Kroll, white male, red hair, red goatee, black rectangular glass, river and foliage background

Ryan Kroll

Brian Uchtmann

Ben Flotterud

Partner & Senior Engineer


Ryan is a registered P.E in Wisconsin, Minnesota, and Michigan and has 20 years of engineering experience, with more than 15 years in energy efficiency and utility programs. Ryan has managed utility evaluations and verification projects for efficiency programs run by over 50 different utilities in 18 different sta

Partner & Senior Engineer


Ryan is a registered P.E in Wisconsin, Minnesota, and Michigan and has 20 years of engineering experience, with more than 15 years in energy efficiency and utility programs. Ryan has managed utility evaluations and verification projects for efficiency programs run by over 50 different utilities in 18 different states and two Canadian provinces.  In this role he has completed and overseen detailed energy, economic and emission analysis and presented the results in an impactful way meeting the needs of all stakeholders. In addition, he has completed economic, and emissions analyses for technologies. Ryan graduated with a M.S. degree in Mechanical Engineering from Iowa State University and a B.S. degree in Mechanical Engineering from Dordt College.  

Ben Flotterud, white male, dark brown hair, nature background including a river and folliage

Ben Flotterud

Bridget Pertzsch

Ben Flotterud

Systems Engineer


Ben is a registered P.E. in Minnesota and has over 10 years of engineering experience working within industrial facilities scoping, planning, and implementing process improvement projects across the country. Ben has B.S. degree in Industrial Engineering from North Dakota State University.

Bridget Pertzsch, while female, blonde hair, round purple glasses, tree and foliage background

Bridget Pertzsch

Bridget Pertzsch

Bridget Pertzsch

Energy Engineer


 Bridget is an energy engineer with one year of experience in the energy efficiency industry. She has completed work on commercial, residential, and industrial evaluations and collected data for residential studies. She is also certified from the Building Performance Institute in Infiltration and Duct Leakage and has comple

Energy Engineer


 Bridget is an energy engineer with one year of experience in the energy efficiency industry. She has completed work on commercial, residential, and industrial evaluations and collected data for residential studies. She is also certified from the Building Performance Institute in Infiltration and Duct Leakage and has completed over 100 blower door tests and over 50 duct leakage tests. Bridget also develops and maintains Python and other programming tools to quickly extract information from large data sets. She implements her onsite experience and data analysis background to efficiently evaluate utility rebate programs for multiple sectors including multi-family residential new construction. Bridget graduated with a B.S. degree in Engineering with a Mechanical Emphasis from Calvin University. 

Will Moe, white male, blonde hair, scenic background including a river, bridge, and hills

Will Moe

Bridget Pertzsch

Bridget Pertzsch

Energy Engineer


 Will is an energy engineer with four years of engineering experience including one in energy efficiency. He has led cross-functional teams to provide rapid root cause analysis and correction during manufacturing, assembly, and testing phases of 12 prototype military vehicle builds. Will has also established system-level op

Energy Engineer


 Will is an energy engineer with four years of engineering experience including one in energy efficiency. He has led cross-functional teams to provide rapid root cause analysis and correction during manufacturing, assembly, and testing phases of 12 prototype military vehicle builds. Will has also established system-level operational requirements for military vehicle failsafe braking systems. He has completed over 50 residential energy audits and is Infiltration and Duct Leakage certified from the Building Performance Institute. Will has also programmed and installed current and temperature metering equipment to study residential power consumption for a multi-state utility alliance. Will graduated with a B.S. in Mechanical Engineering from University of Wisconsin – Madison.

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