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Born out of a need to protect the nuclear industry, PSStech was founded to provide nuclear generating stations with a novel approach to detecting open phase conditions on transformers. In addition to open phase monitoring, we offer advanced engineering capabilities & services, electrical system designs, customized remote asset health monitoring solutions, and full service precision CNC machining.

Core Competencies

  • Transient & Steady State System Analysis
  • Protective Relay Settings & Calculations
  • Remote Asset Health Monitoring Solutions
  • Rapid OEM Replacement Solutions
  • CNC 5-Axis Milling
  • CNC Y-Axis Turning
  • Obsolescence & Reverse Engineering

Featured Clients

  • Ontario Power Generation
  • Arizona Public Service
  • DTE Energy
  • Wolf Creek Nuclear Operating Company
  • Ameren Services Company
  • Southern Nuclear Operating Company
  • Dominion Nuclear
  • Nebraska Public Power District
  • Duke Energy
  • Pacific Gas & Electric
  • Talen Energy
  • Luminant Generation Company
  • XCEL Energy
  • PSEG
  • City of Troy
  • Brightridge
  • Middle Tennnessee Electric
  • Columbia Power and Water
  • Columbus Light and Water


  • DUNS Number: 079414209
  • CAGE Code: 8EJY5
  • NAICS Codes:
    • 541512: CAD/CAE/CAM
    • 541330: Electrical Engineering Services
    • 221121: Electric Power Protection & Control
    • 332710: Additive & Subtractive Machining
    • 238210: Electric Power Control Panel Fabrication, Wiring, & Installation


  • Highly competent and experienced personnel including PhD and licensed professional engineers
  • Quality Program commensurate with ASME NQA-1, 10CFR50 Appendix B, and CSA N299
  • Certified Project Managers
  • Field Personnel experienced in vast working environments including Nuclear Facilities, Electric Power Substations, and Industrial Plants
  • Manufacturing capabilities including fabrication, wiring, and complete testing


PSStech has the capability to design and set up a complete cost-effective system solutions, including custom sensors and monitoring dashboards.

Transformer Health Monitor


TH2M Transformer Health Monitor

The PSStech TH2M allows utilities to monitor the health of power transformers, including smaller distribution transformers, due to the ease of installation and cost.

Switchgear Oil Monitoring

Switchgear Monitor

Remote Distribution Switchgear Oil Monitoring

PSStech designed and developed a minimally invasive, remote monitoring system that allowed for the monitoring of, and alarming on, moisture levels in the oil.

Open Phase Protection System*


Open Phase Protection*

PSStech offers open phase protection to electric generating stations with digital, analog, and safety-related solutions. In addition, our products can be configured as single or multiple channels.


PSStech has the capability to design and set up a complete cost-effective system solutions, including custom sensors and monitoring dashboards.


Engineering Services

Engineering Services

Our team of expert engineers has extensive knowledge in power system studies addressing a wide array of issues in both transmission and distribution systems.


Manufacturing and Prototyping

Manufacuring and Prototype Services

PSStech provides a wide range of precision machining solutions including 5-axis milling, Y-axis turning, and CNC plasma cutting.


Testing Services

Electrical Services

PSStech provides electrical services for the industry, including cabinet/panel design and wiring, electrical testing, and Commercial Grade Dedication activities.


Obsolescence Solutions

Obsolescence Design Services

"Plan the life cycle" and "think strategically" are core values to the PSStech design team, ensuring that systems are designed with sustained life cycles.


Ensuring that the highest standards are not only met, but exceeded.

Our Quality Assurance (QA) and Quality Control (QC) programs are standard with all our solutions. Our staff is trained to strict compliance to quality standards in accordance with ASME NQA-1, 10CFR50 Appendix B, and CSA N299.3 criterion. The PSStech audited and approved Appendix B process ensures rigorous standards are adhered to throughout the design and implementation process, ensuring the highest quality products and services on the market.


PSStech — 101 Skyline Drive, Warrior, Alabama 35180, USA

Phone: +1.205.631.3357

Email: info@psstech.com

Copyright © 2021, Power System Sentinel Technologies, LLC

*This product was the result of collaborative research performed by the Electric Power Research Institute

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