Excitation System Services, Inc. (ESS) is an electric utility industry-leader in providing technical services for generator excitation systems and voltage regulators. ESS Engineers have formal educations, equipment training and experienced based practical knowledge on virtually all excitation system makes and models, both past and present.

We provide the following quality excitation support services:

  • Routine Maintenance and Equipment Calibration
  • Troubleshooting
  • New Installation Check-Out and Commissioning
  • Tuning and Start-Up Support
  • Retrofit Support
  • Equipment Evaluation and Recommendations
  • Equipment Upgrades
  • Procedure Writing
  • Engineering
  • Root Cause Investigation
  • Training

As a third party service organization ESS maintains close ties with the major equipment manufacturers and remains active in the research, development and academic field of excitation system design, maintenance and testing. This allows us to provide our customers with the latest in industry events, failures, upgrades and technologies.