Tetra Tech provides energy efficiency services that optimize energy performance, enhance operational efficiency, conserve water, reduce greenhouse gas (GHG) emissions, and save money.

Renowned for our resource efficiency management (REM) programs for U.S. federal government agencies like the U.S. Navy, Tetra Tech applies best-in-class utility and energy management expertise to identify no-cost corrections that produce energy savings and help improve environmental footprint.

Our energy efficiency program evaluation services help our clients support business decisions with hard data and critical analysis. Over the past 20 years, Tetra Tech has conducted impact, process, and market evaluations of more than 500 energy efficiency and demand response programs for utilities and energy agencies across North America.

In addition, Tetra Tech is a leading provider of high performance buildings design and construction services, helping to plan and create energy efficient structures for U.S. federal government agencies, schools and universities, and private and commercial clients around the world.


  • REM and onsite energy management services
  • Energy audits
  • Building optimization and commissioning
  • GHG inventory, reporting, and verification
  • High performance and LEED-certified building design
  • Energy efficiency program evaluation
  • Energy market analytics and market evaluation
  • Surveys and studies