EnerNex, a CESI company, is the leader in research, engineering and consulting services to the electric power industry.

At EnerNex, customers come first. We’re all about creating long-lasting customer partnerships and working with them to solve their electric power grid challenges of today and tomorrow.


Get To Know Us | EnerNex, a CESI Company

CESI acquired EnerNex in June 2018, expanding the companies’ global reach, synergizing North American and global competencies in support of the world’s electricity sector.

With more than 60 years of experience and operating in 40 countries around the world, CESI is an European world-leading technical consulting and engineering company providing testing and certification services to the electromechanical industry as well as consulting and engineering services to the energy sector.

Major consulting services include: Power Systems studies and Power Market studies, Master Planning and Operational Planning, design and Owner’s Engineering for HVAC/HVDC Interconnections, Real Time Operations supervision and control, Asset Management, Integration of Renewable Energies and Storage Systems, design and Owner’s Engineering of Smart Grids and Smart Metering deployments, Technological and Environmental Audits, Control and Regulation Systems for Power Plants, Engineering services for Testing Laboratories, Environmental Impact Assessments, Civil Engineering Services for hydro and renewable plants and Environmental Monitoring Systems for Electric Power Plants.

The Company is a fully independent joint-stock company headquartered in Milan and with facilities in Berlin, Mannheim, Dubai, Bogotá, Santiago de Chile, Washington, DC, Knoxville, and Rio de Janeiro.


About Us | EnerNex Founders

Established in 2003, EnerNex was founded by Jeff Lamoree, Bob Zavadil and Erich Gunther with a vision and passion to improve the operation and reliability of electric power systems.

EnerNex Founders: Erich W. Gunther, Jeff Lamoree and Robert “Bob” Zavadil

We have a collaborative approach between the company’s two traditional business areas, Smart Grid Engineering and Power Systems Consulting, to better serve our customers as grid modernization initiatives gain momentum. Our team of technical experts get the big picture and how all of the elements of electric power engineering fit together. Click here for an overview of our five service areas.


We invite you to discover the EnerNex difference and the quality of cutting-edge electric power engineering.
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In June of 2016, Erich Gunther, our co-founder, chairman and chief technology officer, passed away unexpectedly at the age of 57.
Learn more about how his knowledge and legacy live on.