Electric Power Engineering,

Renewable Energy &

Utility Consulting


Power Engineers, LLC provides a number of services to our clients, who include:


  • Utilities
  • Colleges & Universities
  • Large Industrial / Commercial Facilities
  • Insurance Companies
  • Developers
  • Contractors
  • Attorneys
  • Engineering Firms

¨ Electric Distribution Planning

¨ Power System Design

¨ Substation Planning and Design

¨ Analytical Studies

¨ Short Circuit

¨ Coordination

¨ Load Flow

¨ Voltage Drop

¨ Power Factor

¨ Protective Relaying

¨ Arc Flash Evaluation

¨ Renewable Energy &

Wind Power Feasibility

¨ Transmission Interconnections

¨ Long-Range Planning Studies and Technical Reviews

¨ Outdoor Lighting Design

¨ Electrical Investigations

¨ Forensic Analysis

¨ Power Quality Analysis Services

¨ Drafting Services

¨ Telecommunication OSP (Outside Plant) Engineering

¨ Construction Plans and Specifications

¨ Circuit Maps & One-Line Diagrams

¨ SCADA System Design

¨ Construction Supervision


Our Principal is a Registered Electrical Engineering in the following states:


  • Massachusetts
  • Maine
  • New Hampshire
  • Rhode Island
  • Connecticut
  • Maryland
  • Delaware
  • Minnesota
  • Florida
  • NCEES (National PE Registry)

Principal of Power Engineers, LLC - David J. Colombo, P.E.:


Mr. Colombo is an Electric power Engineer speciallizing in utility distribution, substation and medium-voltage infrastructure design.  He has been working in this field for 20 years, after graduating with a Masters Degree in Electric Power Engineering, with a thesis speciality in the area of hydbrid AC/DC transmission line design.  Mr. Colombo has been employed by a local utility as a distribution engineer and superintendent, and has worked in the consulitng practice for both large and small firms for the past 15 years.  Power Engineers, LLC was formed in 2004 to focus on utility distribution projects, renewable energy interconnections, technical and analytical studies, computer modelling, arc flash evaluations, and consulting to utilities, attorneys and large facilities & developers. 


Mr. Colombo spends much of his time bridging the gap between customers and utilities  for new interconnection of Distributed Generation and large scale facilites with medium-voltage (5-46kV) infrastructure.  Mr. Colombo is a hands-on design engineer and has been involved in the design of the interconnection, commissioning and witness testing of over 75% of the wind turbines in Massachusetts, over 100MW of distributed generation since 2005, and the first 115kV interconnection of DG in Massachusetts.  Mr. Colombo is a registered Professional Engineer in 10 states and has provided expert opions to the insurance industry and attorneys on product failure, electric accidents and regulatory issue.  An attention to detail and prompt service to the customer is the focus of Power Engineers, LLC.

Copyright 2011 - Power Engineers, LLC