Tetra Tech has supported the transmission and distribution industry for nearly four decades. Our work encompasses planning, managing, routing, permitting, designing, and constructing transmission and distribution facilities worldwide and across diverse operating environments from the dry deserts of the southwestern United States to the permafrost of the Arctic Circle.

Tetra Tech provides environmental, engineering, and construction services, bundled or stand alone, for the development, construction, and operational phases of energy projects.


  • Economic, technical, and environmental evaluations
  • Planning, feasibility, and analytical studies
  • Route planning and selection
  • Environmental studies and impact analysis
  • Licensing and permitting services and regulatory approvals
  • Conceptual, preliminary, and detailed design
  • Capital cost estimates
  • Material specification and procurement support
  • Procurement
  • Construction
  • Commissioning
  • Training and mentoring
  • Updating or development of operational and maintenance strategies and procedures
  • Asset management planning and implementation

Related Projects

See more
Clean energy

USAID Regional Clean Energy Initiative

Providing expert services to improve Central America’s clean energy investment atmosphere

Deepwater Wind Block Island

Deepwater Wind Block Island Wind Farm and Sea2Shore Cable: The Renewable Link

Providing siting, permitting, environmental evaluation, and construction compliance support for the first U.S. offshore wind farm off of Rhode Island

Power Africa Transactions and Reforms Program

Power Africa Transactions and Reforms Program

Supporting USAID to increase access to electricity in sub-Saharan Africa through expert advisory on power generation, transmission, and distribution projects


Konza Technopolis—the New Silicon Savannah

Providing program management, architecture-engineering services, and training to develop a new smart city in Kenya

R/V Sea Lion V

Virginia Offshore Wind Technology Advancement Project

Performing siting, permitting, and environmental evaluation for the offshore wind technology testing facility located off the coast of Virginia