Hydropower is vital to the world’s sustainable energy future and currently supplies 17 percent of global electricity demand and 7 percent of U.S. demand. Tetra Tech offers complete services for hydropower projects worldwide.

Whether solving a complex technical issue or developing a project from inception to generating revenue, Tetra Tech’s engineers, scientists, geologists, economists, and construction support personnel have been providing a wide-range of hydropower services to satisfied clients for more than four decades.

We support public utilities and private power producers by performing environmental monitoring and studies, FERC and regulatory consultation, licensing and permitting, engineering, studies and design, project management, and construction.

Tetra Tech provides preliminary studies, environmental, engineering, and construction services, bundled or à la carte, for the development, construction, and operational phases of energy projects.


Tetra Tech helps owners assess and implement maintenance priorities, operational efficiencies, safety of project works, and compliance with regulatory requirements. Our expertise includes:

  • Maintenance prioritization
  • Design solutions
  • Operational efficiencies
  • Safety of project works
  • Regulatory compliance

Learn more about our rehabilitation services.

Design Services

Our structural, civil, mechanical, electrical, controls, hydraulic, hydrologic, and geotechnical engineers provide design services for new and existing hydroelectric projects, including:

  • Spillway, intake, draft tube gates
  • Concrete dams
  • Embankment dams
  • Penstocks
  • Powerhouses
  • Transmission
  • Construction support

Learn more about our design services.

Dam Safety

Tetra Tech provides dam owners and operators with comprehensive expert review, analysis, and recommendations on the health and safety of their dam and associated project facilities. Our services include:

  • Part 12 inspections
  • Non-FERC jurisdiction dams
  • Update seismic and hydrologic parameters and analyses
  • Spillway gate inspections
  • Surveillance and monitoring plans
  • Bathymetric digital imaging

Learn more about our dam safety services.


Tetra Tech can resolve the most challenging and complex issues that may occur during the licensing or relicensing process. We provide:

  • Full-service licensing/relicensing team management
  • Nationwide experience from in-house resource specialists
  • Network of local/regional experts

Learn more about our licensing/relicensing services.

Related Projects

OPG Generating Station Upgrades

Ontario Power Generation

Simultaneous redevelopment and upgrading of four generating stations

Des Quinze Dam

Upgrades and Standardization of the Barrage des Quinze Dam

Restoring and helping the Barrage des Quinze Dam in Angliers, Québec, meet new regulations

Bonneville Lock and Dam

Bonneville Lock and Dam

Providing engineering and support services for more than two decades

Boundary Dam

Seattle City Light Boundary Dam Hydrographic and 3D Surveys

Providing ground control and 3D laser scanning to map current conditions of Boundary Dam in the state of Washington

Chief Joseph Hatchery Design & Construction Oversight

Chief Joseph Hatchery Design and Construction Oversight

Planning, permitting, designing, and construction administration for a chinook salmon hatchery on the Columbia River and Okanogan River acclimation sites