E/One’s focus is on generator applications — for both hydrogen-cooled and air-cooled units — and for over 40 years, the company has led the way in the development of condition monitoring and predictive maintenance systems for electric power producers.

 Today, more than 3500 of our systems stand vigil worldwide. Our mission is helping generator manufacturers and plant owners/operators optimize safety, increase unit efficiency, and avoid costly disruption to operations. 

E/One Utility Systems offers a range of products and services for critical gas monitoring and control, including: 

– Condition monitoring

– Predictive maintenance

– Peripheral auxiliaries associated with generator cooling and seal oil systems 

Our designs meet the highest international standards for safety in hazardous involving hydrogen, and business operations are maintained in accordance with our ISO9001 certification. 

Overview — About E/One Utility Systems

Services — Programs and support services from E/One



DHCP — Dual Hydrogen Control Panel

GCM-X — Generator Condition Monitor, Explosion-Proof Design

GCM-A 2 — Generator Condition Monitor, Air-Cooled Apparatus

GGA — Generator Gas Analyzer

PGA — Portable Gas Analyzer

Gas Station — Several monitoring and control systems on one skid

Gen-Tags — Chemicals applied to locate generator hot spots

GGD — Generator Gas Dryer

GGM — Generator Gas Manifold

HCC II — Hydrogen Control Cabinet II 

E/One offers power plant site evaluations where we will review your plans for upcoming generator outages and where we might be able to help increase efficiency and performance of your generator monitoring and control systems. 

Feel free to view one of the following Case Studies that were done:

Iris Black Stone Paper

PSEG Test Report