Engineering &

Our in-house engineering and construction design services are offered to our utility customers as stand-alone services or combined with our construction capabilities to deliver turnkey solutions.

We draw on our in-house expertise to ensure all our engineering designs are practical and constructible. From single custom components to complex large-scale projects, our engineering and design teams deliver innovative solutions that stand the test of time.

Our team of engineers, designers, GIS specialists and field technicians provide commissioning and construction management solutions for diverse utility infrastructure and energy projects. Our integrated services include:

  • Substation design for brownfield and greenfield projects
  • Distribution engineering
  • Inspections and surveys
  • Power systems studies – arc flash, coordination, short circuit, insulation coordination, harmonic, load flow, losses, grounding, cable sizing and ampacity
  • Drawings – AutoCAD 2D and 3D
  • SCADA/Automation design, supply, and commissioning
  • Specifications and plans
  • Prefabricated supply
  • Design and retrofit

Distribution Engineering                                                                

  • Overhead and underground design
  • Joint Use / Make Ready Design
  • Field Data Collection and Design
  • Lateral Upgrades and Re-conductor Design
  • Construction Drawings
  • Cost Estimating
  • Charging Stations

Power System Studies                                                         

  • Arc Flash/Coordination/Short Circuit
  • Load Flow
  • Electrical Losses
  • Cable Sizing and Pulling
  • Grounding
  • Power Quality and Harmonics
  • Lighting
    • AC/DC System Sizing
    • Lightning Protection—Fixed Angle and
      Rolling Sphere
    • Protection Philosophy

Inspections and Surveys

  • Pole and Padmount Inspections
  • Outdoor Lighting Inventories/Reconciliation
  • Pole Attachment Audits/Inventories
  • GIS Mapping/Consultation


  • Protection and Teleprotection Schemes
  • Automation Systems (SCADA, RTU, PLC, LAN & WAN)
  • 2D AutoCAD—Schematics, Layouts, Details, BOMs, Wiring, Arrangement, Interface, Control, Communication, Schedules, Logic
  • 3D AutoCAD—Isometrics, Layouts, Plans

Prefabricated supply

  • E-houses
  • Standalone Panels
  • PLC Boxes
  • I-houses

Design & Retrofit

  • Protection and Teleprotection Schemes
  • Automation Systems

Specifications and Plans

  • Equipment Specifications
  • Commissioning
  • Maintenance
  • Testing Plans
  • Tenders

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Join Our Team

You believe that if something’s worth doing, it’s worth doing right. That solutions should be made to last. That being part of a team means working not just for oneself but for one another. That’s how we operate too. At Black & McDonald, we’re on a mission to do work and build relationships that stand the test of time.