Electric Transmission and Stations

As the electric system gets pushed to its limit to deliver more power, our clients are seeking creative solutions to optimize their assets. CHA's experts have decades of experience planning, designing, and permitting electrical power delivery infrastructure including overhead and underground transmission lines and substations.

Our client list is comprehensive. We have designed transmission lines and substations for:

  • Utilities – Investor Owned and Municipal
  • Power Generators
  • Construction Contractors
  • Developers – Renewable Energy and Industrial
  • Universities and Colleges
Transmission — Overhead and Underground Line Services
  • Conceptual and Preliminary Design – Engineering Studies and Cost Estimates
  • Line Upgrade and Retrofit Design – Reconductoring Circuits, Voltage Rerating, and OPGW Installation
  • Detailed Design – PLS-CADD™ Modeling and Design
  • Structural Engineering and Analysis – Wood and Steel Poles, Lattice Towers, and Framed Structures
  • Foundation Engineering and Design – Direct Embed and Concrete Foundations
  • Electrical Engineering and Design – Line Ratings, Clearances, Grounding, and Underground Cable Design
  • Line Routing – Varied Terrain Conditions, Including Underwater
  • Permitting and Environmental – Licensing, Permitting and Cultural Resources
  • System Studies
  • Right–of–Way Acquisition and Land Services
Substation Services
  • Conceptual and Preliminary Design – Engineering Studies and Cost Estimates
  • Station Upgrade and Retrofit Design – Equipment Upgrades and Station Expansion
  • Detailed Design – Complete Civil, Structural and Electrical Design
  • Electrical Equipment Specifications
  • Protection, Control, and SCADA Design
  • Electrical and System Studies
  • Siting and Permitting – Licensing, Permitting and Cultural Resources
Additional Services
  • Owner’s Engineer Services
  • Onsite Program Management
  • Onsite Project Management
  • Construction Inspection