Automation Design and Electrical Engineering System Studies

Expanse provides custom electrical control system design and panel assembly along with electrical engineering design and system studies. We serve as a single-source provider throughout a clients’ electrical system’s lifecycle – starting with quality in-house designs, engineering, studies and analysis for a variety of industries and applications.

Our Expanse automation team possesses a high level of experience and expertise to support design, development and maintenance of all major OEM Products. We excel in custom product development, including VFDs, RTUs and panels at our certified UL control panel shop.

Via AIM Electrical Consultants, an Expanse Company, we perform power system studies on existing and proposed electrical systems. We also provide electrical engineering services for EPC, design/build projects, along with owner engineer services in support of high, medium and low voltage applications.  Industries include commercial, institutional, hospitals, data centers, industrial, chemical, petrochemical, midstream, and upstream oil and gas.

Why Expanse

Comprehensive Engineering Design

Our extensive experience with low, medium and high voltage systems for industry and utilities enables our team of engineers to deliver well-informed, cost effective and robust designs. Expanse’s Engineering Group supports any type of turnkey project including EPC, engineering and design, construction, and project and program management services. We also provide structural and civil engineering services to support our system designs.

  • Substation design and engineering
  • Industrial electrical system design
Why Expanse

Custom Panel Design

Custom control panel design and assembly is about craftsmanship. Our shop is UL 508A, UL 698A and UL HazLoc certified. Our designers can build to your print specifications or design custom panels for you.

  • Design review prior to buildout
  • Custom enclosures
  • Maintenance and support
  • Site acceptance and factory acceptance testing
  • Custom labels and tags
Why Expanse

Evaluating Your Electrical System

The Engineers at AIM Electrical Consultants have performed over 9,000 power system studies. We take a comprehensive approach to evaluating your electrical system. We utilize both SKM Systems Analysis Program “PowerTools for Windows” (PTW) and Operational Technologies’ “Electrical Transient Analyzer Program” (ETAP) depending upon your corporate standard practices. Our services include:

  • Short circuit studies
  • Protective device coordination studies
  • Arc flash analysis
  • Harmonic studies
  • Load flow studies
  • Motor starting studies
Contact Us

Connect with an Expanse Expert


Substation Design and Engineering

  • Substation layout and site design
  • Permit assistance
  • Equipment specifications and procurement
  • Physical design
  • Grounding systems
  • Conduit and cable systems
  • Relaying systems
  • Metering and instrumentation
  • Fiber OSP Design
  • AC and DC distribution systems
  • Construction document preparation
  • Construction Support
  • Ground mat studies
  • Consulting Services

Power System Studies and Planning

  • Load flow analysis
  • Project scope development
  • Short circuit analysis
  • Capital budgeting
  • Protective device coordination studies
  • Planning consultation
  • Relay coordination studies
  • Arc flash analysis
  • Reliability studies
  • Motor starting studies
  • Harmonics studies
  • Consulting Services

Civil/Structural Engineering

  • Civil site work including drainage and retention ponds (SPCC)
  • Seismic design for structures, bus systems, buildings, etc.
  • Existing structure analysis
  • Foundations
  • Structural Steel
  • Bus system mechanical design
  • Building architectural and structural design for concrete, block and metal buildings
  • Access road design
  • Fencing
  • Consulting Services
power design
More Information

Resources At Your Fingertips

ARC Flash Brochure

ARC Flash Requirements Brochure

Transmission and Substation Construction Brochure

Transmission and Substation Construction Brochure

Substation Capabilities Brochure

Substation Capabilities Brochure

Consulting Services Brochure

Consulting Services Brochure