The Most Trusted Name in Power Factor Correction and Harmonic Filtering


Corporate Contract Signature

NEPSI is the leading global provider of medium-voltage metal-enclosed power capacitor banks and harmonic filter banks for use on electric power systems. Founded in 1995, the New York based company has grown to be the world's market leader and most trusted name for the supply of... [read more]


Product Preview

NEPSI offers medium voltage solutions to mitigate common power quality concerns in the areas of power factor correction and harmonic distortion. Review NEPSI's product offering page to discover what products meet your needs.


NEPSI is committed to supporting you throughout your project life cycle with our professional staff of engineers, technicians, and industry experts specializing in the application, design, and support of metal-enclosed power capacitor banks and harmonic filter systems.


Tehcnical Drawings

NEPSI believes that a well-informed customer is our best customer. As such, we offer page after page of technical notes, calculators, spreadsheets and other useful information for you to read and learn. These resources will better inform you about our products and services and help you to make the right choice.

Customer Satisfaction

What our customers say...

Continuous improvement in customer satisfaction is not possible without a formal program to measure results. We send a "Thank You" email to every customer that has purchased equipment or services from our company and as part of our quality management system, provide them with a satisfaction survey to complete. We take your comments seriously and it shows in the results we achieve.

Updated: June 18, 2020

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