HBK offers a wide range of engineering design services utilizing AC voltage system requirements from 120V to 230kV substation installations, DC battery and UPS power systems. Our Electrical design team has extensive knowledge and experience with the ComEd (Commonwealth Edison) system and its associated design parameters, commercial power and distribution system requirements, power generation and substation facilities. HBK’s Electrical Engineering service offering includes design of 120 V– 480 V distribution systems, medium voltage (4160V) switchgear and distribution equipment, emergency power generation, DC and UPS power, grounding, raceway systems, preparation of electrical equipment design and specification documents and associated purchase orders, upgrading downstream Medium Voltage electrical service from substation and distribution centers, Electrical subterranean Vaults and transformers (480V - 4160V) , Overhead/Underground service drops for large commercial/industrial users, design of distribution circuit reinforcement , Cable replacements,  Mid-Circuit reclosers, automatic load transfer switching, utility performance and reliability evaluation,  and electrical equipment condition assessment. HBK’s electrical design staff has a combined experience of over 30 years in the design of overhead distribution facilities ranging from 34kV (and below) primary and secondary services in congested urban areas as well as suburban and rural areas.

  • From 120V to 345kV, HBK’s scalable design approach provides for the same standard of quality and level of detail across all projects, large and small.

Key Personnel


    Ken Spolarich joined HBK in 2015, with him over 20 years of electric utility experience.  He has been a significant contributor within the Power Sector and has designed distribution system solutions for ComEd’s Line Clearance program that is designed to improve the safety and reliability of electricity to ComEd customers. Ken has been responsible for design and quality assurance of engineering designs to ensure the constructability of these designs support ComEd’s expectations. He is currently the Program Lead for the System Planning and Configuration contract with ComEd. His team supports ComEd’s EIMA Mainline Cable Replacement, EIMA URD Cable Replacement, EIMA Distribution Automation and 34kV Distribution Automation programs.


    With over 12 years of experience utilizing Autodesk products for utility, residential and commercial projects, she is an expert in multiple design and modeling programs. Allison has been instrumental in developing CAD/Design Standards, procedural guides, and personnel training. She currently works with the Power Sector and is the lead designer for New Business Vault designs. She interfaces with utility clients on a regular basis to coordinate projects and to maintain good client relationships by ensuring that projects exceed their expectations. Allison has delivered projects on-time and under budget in some of the most demanding environments. …