Affiliated Engineers, Inc.

Affiliated Engineers, Inc. (AEI) delivers innovative energy and utility solutions that balance reliability, efficiency, and environmental stewardship while providing flexibility for future load and fuel requirements. With nearly 50 years of experience analyzing, designing, and implementing high-performance, sustainable buildings and engineered systems, AEI is a recognized leader in cogeneration, integrated and district energy planning, and alternative energy generation and distribution.

Our projects include zero-energy and all-electric research facilities, with over 350 LEED®-certified buildings, reflecting our commitment to decarbonization and carbon neutrality. AEI emphasizes data-driven design and implementation, using advanced building performance modeling and simulation to optimize systems for energy efficiency, occupant wellness, and financial outcomes.

From research labs and vehicle emissions testing centers to large university campuses, AEI delivers tailored solutions that reduce greenhouse gas emissions, strengthen local economies, and enhance operational efficiency. Our all-electric strategies streamline operations, reduce costs, and maximize carbon reduction when paired with renewable energy.

AEI’s Energy & Utilities practice provides both the analysis and implementation expertise necessary to achieve net-zero goals at any scale or climate, guiding clients from design through operations to continuously improve facility performance, reduce environmental impact, and support a sustainable future.