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Industrial Power Quality and Energy-Efficiency Assessments

EPRI's Industrial Assessment Team has the unique capability of offering both industrial power quality and energy-efficiency assessments to your utility and industrial customers. Projects can include power quality only, energy efficiency only, or a combination of both. This unique blend of two different skill sets into a single team is a powerful offering to our utility and industrial clients. Headquartered from our Knoxville, Tennessee office, the team's primary goal is to reduce customer end-use losses by improving plant energy efficiency and power quality. EPRI's team has conducted hundreds of industrial assessments in all manufacturing sectors worldwide.

Power Quality

From a power quality standpoint, EPRI's Industrial Assessment team understands both the control systems in an industrial plant and utility systems outside the facility. While others practice power quality as "general practitioners," EPRI's team has been referred to as the "neurosurgeons" in the field. We are able to drill deep into power quality issues and provide detailed solutions that can harden an industrial plant to its specific power quality environment. Many times, we can save customers hundreds of thousands of dollars by recommending the best low-cost solution for their power quality issues.

Energy Efficiency

The EPRI Industrial Assessment Team supports energy-efficiency work related to EPRI's Industrial Center of Excellence and works with utilities and their industrial clients as well. Although there are many players in the industrial energy-efficiency arena, EPRI's team has a unique perspective that not only employs tried-and-true energy-efficiency measures but also brings the latest technologies and insights to the table to manage energy use, improve energy efficiency, improve process controllability, and utilize waste-heat sources. Typical areas of focus for an EPRI industrial energy-efficiency assessment may include:

  • Energy-Management Systems:
    • Offering initial consulting and guidance to implementation of energy management systems per ISO 50001 , Superior Energy Performance , or ENERGY STAR for Industry constructs.
    • Familiarization of the plant with the plan-do-check-act process for continual improvement of the energy-management system as advocated by ISO 50001 and Superior Energy Performance Certification.
    • Helping the plant conduct an energy balance and identify the significant energy uses.
    • Assessing and advising the plant related to metering and submetering capabilities to facilitate self-management of energy use within defined process boundaries.
    • Determination or verification of a plant's key performance indicators (KPIs)/energy performance indicators (EnPIs).
    • Prioritizing opportunities to enhance energy performance based on the outcome of an energy-efficiency assessment.
    • Creation of a plant baseline model that takes into account energy use, production, and relevant variables per ISO 50001 and the Superior Energy Performance Certification requirements.
  • Process Heating Focus:
    • Determining the efficiency of the plant's existing process-heating systems.
    • Evaluating the opportunity for efficiency improvement through application of various electrotechnologies such as acoustic, induction, infrared, microwave, and ultraviolet approaches.
    • Proof-of-concept electrotechnology testing with the facility’s process material by working in concert with the EPRI Industrial Center of Excellence and member utilities.
    • Identification and quantification of waste-heat recovery opportunities, including applications of the recovered energy.
  • Traditional Energy Efficiency Assessment Areas:
    • Examining insulation in buildings and process equipment to reduce thermal losses.
    • Assessing and quantifying waste-heat streams and identifying of potential uses for the recovered energy.
    • Determining where adjustable-speed drives (ASDs) can save enough energy to justify their cost and complexity.
    • Evaluating efficiencies of installed motors and making recommendations for replacements and rewinds.
    • Assessing installed lighting technology and controls to determine the best application of the latest energy-savings options and related payback.
    • Evaluating compressed-air systems for best practices related to system efficiency, air leaks, control schemes, and appropriate use.
    • Examining the chilled water, boiler, and steam systems to determine what potential enhancements or changes can be made to improve overall efficiency.

For more information, contact: Mark Stephens (PE, CEM, CP EnMS - Industrial), 865-218-8022, mstephens@epri.com.