Nathan Cesarz


Since I joined AEI, I’ve only known two things: great projects and great people. I enjoy the projects because each is challenging in its own way, whether technically, logistically, or both. And without smart, dedicated, fun, and driven people, we would not have great projects.”

Nate Cesarz is a principal and national market leader for AEI’s Energy and Utilities group. His task-minded approach has been critical to the success of energy master planning, detailed design, and construction administration projects for higher education, federal government, and corporate research clients.

Having spent his entire career with AEI, Nate has had the opportunity to collaborate with a multitude of people on many large-scale projects. He was the lead engineer for the following projects: the Stanford Energy System improvement project, which involved a 47,500-ton-hour thermal storage facility for the National Institutes of Health, over 40,000 tons of new chilled water capacity at Duke University, and too-many-to-list thermal energy projects at the University of North Carolina at Chapel Hill. This wide range of work has expanded his technical expertise in analysis, emerging technologies, and carbon reduction opportunities. With this knowledge, Nate has taken an active role in developing and mentoring AEI’s Energy and Utilities group on a national level.

Nate is a regular speaker at the International District Energy Association (IDEA), sharing research, decisions, breakthroughs, and project performance, including new heat recovery technologies and the extension of walkable utility tunnels through the heart of major college campuses.