Grant Thomason

Power Engineering Services, Inc.

W E L C O M E Power Engineering Services is an Accredited, Full-Member of the International Electrical Testing Association (NETA), and a Registered Engineering Firm in 46 states. Our objective is to offer professional, reliable testing and engineering services to our customers in a safe, efficient, and ethical manner. A B O U T Power Engineering Services is a technical service organization specializing in commissioning, start up, and maintenance testing for utilities, industrial, governmental and commercial clients. We are located in South Texas with clients throughout the United States as well as internationally.​ PES, established in 1993, has an elite staff of engineers and technicians with a broad spectrum of testing capabilities. PES performs electrical system analyses, along with acceptance and maintenance testing of electrical distributions. Our professional staff has contributed to the successful completion of major generation, distribution, and commercial projects throughout the world.​​ P O W E R S Y S T E M S T U D I E S PES perform engineering analyses including short circuit, protective device coordination, arc flash, harmonic analysis, load flow, motor starting, and voltage drop studies utilizing the latest engineering software. F I E L D S E R V I C E S PES is committed to providing only the highest caliber of professional technicians and engineers in addition to the latest standard of methodology and equipment. Our testing capabilities range from low-voltage power distribution to the commissioning of utility substations. Additionally, PES provides emergency response services that are available 24/7. H I G H - V O L T A G E T E S T I N G L A B PES is a NAIL Accredited facility for testing high voltage rubber protective goods. We test to the latest ASTM/ANSI Standards and have proudly served the Texas electrical industry for over 25 years.