Asplundh Engineering Services, LLC

The name you trust for power generation, transmission and distribution infrastructure engineering services

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About the firm

Asplundh Engineering Services, LLC (AES) delivers utility infrastructure engineering, design, planning, and testing services. Backed by the financial strength of the Asplundh enterprise, AES serves the utility industry across transmission, distribution, substation, and renewable infrastructure markets. Its customers include investor-owned, municipal, and cooperative utilities, large power users, government agencies, general contractors, industrial and commercial developers, renewable energy developers, and EPC organizations.

Firm type
Power & Utility Engineering

Capabilities

Distribution Engineering

Service website

Engineering, design, planning, and construction management services for new and existing aerial and underground distribution facilities.

  • Greenfield Distribution Design

    Development and layout of new electric distribution systems.

  • System Investigation and NESC Compliance

    Investigations of existing distribution systems and National Electrical Safety Code compliance surveys.

  • Voltage Stability Studies and Smart Network Design

    Voltage stability studies and structural design for smart network devices.

  • Distribution System Hardening

    Physical reinforcement and structural upgrading of distribution infrastructure.

  • Pole Analysis and Attachment Surveys

    Pole analysis utilizing industry software and third-party pole attachment surveys.

  • GIS Mapping and Design Documentation

    Geographical Information System mapping, detailed design drawings, installation plans, and equipment selection.

Transmission Engineering

Service website

Economical design and implementation of overhead and underground transmission routing through various types of terrain or right-of-way limitations, from 69kV to 500kV.

  • Transmission Line Engineering and Design

    Full-service engineering of new and existing overhead and underground transmission lines.

  • Line Rating and PLS-CADD Modeling

    Line rating calculations, line rating increase solutions, and PLS-CADD line modeling.

  • Routing, Cost Studies, and Permitting

    Routing studies, cost estimates, and line permitting through construction bid specifications.

  • Line Condition Assessment

    Evaluation of existing physical line conditions and structural integrity.

  • Underground Design

    Engineering of underground transmission alignments and duct banks.

Substation & Protection Engineering

Service website

Substation engineering packages and comprehensive protection and control system services.

  • Substation Engineering

    Full-service substation engineering, design, and physical layout packages.

  • Protection and Control Systems

    Associated relaying, protection, and control systems design.

Power Generation & Renewable Energy

Service website

Engineering, consulting, project management, and staffing services for power generation and renewable energy infrastructures.

  • Power Generation Engineering

    Engineering and consulting services for new and existing conventional power generation facilities.

  • Renewable Energy Support

    Project management, consulting, and specialized staffing services for renewable energy developers.

Gas Engineering

Service website

Gas distribution and transmission engineering, design, planning, and construction management services for new and existing pipeline and underground facilities.

  • Pipeline Design and Drafting

    Three-dimensional and two-dimensional design in AutoCAD, Civil 3D, Plant 3D, and AVEVA.

  • Pipeline Sizing and Fitting Selection

    Pipeline alignment, sizing, wall thickness, fitting and material selection, regulator sizing, valve replacement, and valve automation.

  • Service Design and Facility Packages

    Service design through meters, foundation packages for skid-mounted equipment, site grading, engineered bore designs, and launcher/receiver designs.

  • Pipeline Integrity Analysis

    Integrity analysis, hydraulics, system optimization, and gas handling or gas control plan development.

  • SCADA and Instrumentation

    Instrumentation, electrical, and SCADA design for gas pipeline facilities and equipment.

Commercial, Industrial & Transit Engineering

Service website

Engineering and support services tailored for commercial developers, utilities, independent power producers, and transit infrastructure.

  • Commercial and Industrial Engineering

    Infrastructure engineering driven and built for developers, utilities, and independent power producers.

  • Transit Engineering

    A full suite of associated engineering services for transit organizations.

Industries

Electric Utilities · Power Transmission & Distribution · Utilities · Renewable Energy · Power Generation · Transit · Oil & Gas

Projects