Subodh Chaudhari Image

Subodh A Chaudhari

Associate R&D Staff

Subodh Chaudhari is currently an Associate R&D Staff Member & Technical Account Manager for Better Plants Program at ORNL. He completed his graduate studies in Industrial Engineering from West Virginia University.  His experience in the field of energy efficiency and sustainability over last 15 years pans from poultry farms to petroleum refineries. He has led energy assessments at manufacturing plants and commercial buildings. Prior to joining ORNL he worked as an Energy Engineer with Hudson Technologies leading product development effort for MBCx and FDD platform for Chillers, Cooling Towers, and Plate Heat Exchangers. He served as project manager for building and commissioning of distillation column projects for two production plants of Hudson Technologies. Subodh worked as Engineering Scientist with National Research Center for Coal and Energy and WVU Industrial Assessment Center to provide energy efficiency assistance to local manufacturers through federal and state energy assistance programs. Subodh is a Certified Energy Manager (CEM) and USDOE certified Qualified Specialist in the areas of process heating, steam, and pumps. 

Research Interest & Technical Skills

  • Industrial Energy and Decarbonization Assessments
  • Process heating, Process cooling, Compressed air systems
  • Manufacturing Waste Reduction and Analysis
  • Circular Economy
  • Energy modeling of industrial systems for simulation
  • Statistics and performance modeling



Journal and International Conference – Peer Reviewed)

  • Jammulamadaka, H. S., Gopalakrishnan, B., Chaudhari, S., Sundaramoorthy, S., Mehta, A. R. et al. (2022). “Evaluation of Energy Efficiency Performance of Heated Windows.” Energy Engineering, 119(1), 1–16.
  • Sundaramoorthy, S., Chaudhari, S., and Wenning, T. "Monitoring Based Commissioning: Step-by-Step Approach to Implementation in Chiller Plants." International Journal of Energy Management Vol.3, no. 5 (2021).
  • Cresko, J., Thekdi, A., Nimbalkar, S., Thirumaran, K., Hasanbeigi, A., Chaudhari, S. “Thermal Process Intensification – Workshop Report.”, US DOE Industry Workshop, 2021 (Under Review)
  • Chaudhari, S., Sundaramoorthy, S., Price, C., Botts, A., Wenning, T., Lung, B., and Levine, E. 2021. "Understanding Your Utility Bills: Natural Gas". United States.
  • Botts, A, Price, C, Sundaramoorthy, S, Chaudhari, S, and Wenning, T. 2021. "Understanding Your Utility Bills: Water". United States.
  • Price, C, Botts, A, Sundaramoorthy, S, Chaudhari, S, and Wenning, T. 2021. "Understanding Your Utility Bills: Electricity". United States.
  • Gopalakrishnan, B. Gupta, D.P., Chaudhari, S., “The Effect of System Storage on the Performance Profile of Rotary Screw Air Compressors”, Energy Engineering, Journal of Association of Energy Engineers, Vol 111, No.4, pp.25-33, 2014.
  • Gopalakrishnan, B., Ramamoorthy, K., Crowe, E., Chaudhari, S., and Latif, H., 2014. "A structured approach for facilitating the implementation of ISO 50001 standard in the manufacturing sector", Sustainable Energy Technologies and Assessments7, pp.154-165.
  • Gopalakrishnan, B., Jalali, M.S., Chaudhari, S., Gupta, D. and Crowe, E., 2014, September. Design and development of an Energy Efficiency Knowledge Center (EEKC). In 2014 11th International Conference on Informatics in Control, Automation and Robotics (ICINCO) (Vol. 2, pp. 692-699). IEEE.
  • Muniswamy, A., Gopalakrishnan, B., Chaudhari, S., Jaridi, M., Crowe, E. and Gupta, D., 2014. A computer-based total productive maintenance model for electric motors. International Journal of Productivity and Quality Management, 13(2), pp.178-200.
  • Chaudhari, S., Gupta, D., and Gopalakrishnan, B., "Using IAC Database for Longitudinal Study of Small to Medium Sized Automotive Industry Suppliers' Energy Intensity Changes," SAE Int. J. Mater. Manf. 6(3):2013, doi:10.4271/2013-01-0833.
  • Alkadi, N.E., Gopalakrishnan, B., Chaudhari, S., “Product Design for Energy Reduction in Concurrent Engineering: An Inverted Pyramid Approach”, International Journal of Industrial and Systems Engineering, in press, 2013.
  • Bhadra, S., Gopalakrishnan, B., and Chaudhari, S., Energy Efficiency in Continuous Galvanizing Lines, Proceedings of the International Renewable and Sustainable Energy Conference, Ouarzazate, Morocco, 2013
  • Gopalakrishnan, B., Mardikar, Y., Gupta, D., Chaudhari, S., Jalali, S., “Establishing Baseline Electrical Energy Consumption in Wood Processing Sawmills: A Model Based on Energy Analysis and Diagnostics”, Energy Engineering, Journal of the Association of Energy Engineers, Vol 109, ISSN 0199-8595, 2012.
  • Gopalakrishnan, B., C. D. Gump, D. P. Gupta, and S. Chaudhari. "Development of a Software System to Facilitate Implementation of Coal and Wood Co-Fired Bilers." (2013)
  • Chaudhari, S, Gupta, D., Gopalakrishnan, B., “Investigation of Relationship between System Efficiency Curve & Measurement and Verification (M&V) of Energy Savings” (2011-01-0324), SAE International Journal of Materials and Manufacturing, Jun 2011.
  • Cullen, K., Crowe, E, Gopalakrishnan, B., Chaudhari, S. “Energy Efficiency Programs in West Virginia: A Partnership Approach”, Industrial Energy Technology Conference, New Orleans, LA, May 2011.
  • Crowe, E., Gopalakrishnan, B., Cullen, C., Chaudhari, S. “Results of an Enhanced Save Energy Now Assessment: A Case Study of a Steel Mini-Mill”, Industrial Energy Technology Conference, New Orleans, LA, May 2011.
  • Cullen, K., Crowe, E., Gopalakrishnan, B., Chaudhari, S., “Save Energy Now Regional Partnership: Advancing Energy Productivity Through Government, Industry and University Collaboration”, American Council for Energy Efficient Economy (ACEEE) Conference 2011, Jul 2011.
  • Chaudhari, S, Gupta, D., Gopalakrishnan, B., “Investigation of Relationship between System Efficiency Curve & Measurement and Verification (M&V) of Energy Savings”, SDP-109, 2011-01-0324, SAE World Congress, Detroit, MI, Apr 2011.
  • Gopalakrishnan, B, Koonammodi V, Sundaramoorthy, S., Chaudhari, S., “Multi-Variable Efficiency Evaluation of Boilers”, International Conference on Thermal Engineering and Environment, Tamilnadu, India, Mar 2011.
  • Gupta, D., Gopalakrishnan, B.,Chaudhari, S., Jalali, S., “Development of an integrated model for process planning and parameter selection for machining processes”, International Journal of Production Research, Jan 2011
  • Gopalakrishnan, B., Gajera, D., Gupta, D., Athinarayanan, R., Chaudhari, S., “Process Costing of the Microchip”, International Journal of Industrial and Systems Engineering, in press, 2011.
  • B. Gopalakrishnan, D. Gupta, Y. Mardikar, S. Chaudhari, J. Jadeja, “Diagnostics for Developing Energy Efficiency Measures in Compressed Air Systems”, Energy Efficient Manufacturing, 2007, Vol. SP-2109, SAE World Congress & Exhibition, April 2007, Detroit, MI, USA.
  • Gopalakrishnan, B., Chaudhari, S., Famouri, P., Plummer, R. W., “Facilitation for Load Based Energy Savings in Three Phase Squirrel Cage Induction Motors”, Energy Engineering, Journal of the Association of Energy Engineers, Volume 103, Number 6, pp. 37-64, October-November 2006.
  • Chaudhari, S., Gopalakrishnan, B., “Real Time Data Acquisition and Analysis for Load Estimation in Electrical Motors”, Proceedings of the Intelligent Systems in Design and Manufacturing V Conference, Society of Photo Optical Instrumentation Engineers (SPIE), Philadelphia, Vol. 5605, pp. 195-205, 2004.

Book Chapter/ Best Practices, Manual Contribution

  • Gopalakrishnan, B., Gupta, D.P., Mardikar, Y., Chaudhari, S., “Industrial Energy Efficiency” (edited by Dr. Myer Kutz), Handbook of Environmentally Conscious Manufacturing, John Wiley & Sons, Inc., Mar 2007 [ISBN: 978-0-471-72637-1].
  • Wright, A., Schoneborn, F., et. al., “Guiding Principles for Successfully Implementing Industrial Energy Efficiency Recommendations”, US Department of Energy – Energy Efficiency and Renewable Energy, Industrial Technologies Program, April 2011. Published on Department of Energy Website

Magazine Articles, Conference Presentations 

  • Chaudhari, S., Kumar, S., "Optimize Chillers with Automatic Entering Condenser Water Temperature Reset Strategy", Chillers & Cooling Best Practices Magazine, Oct 2019.
  • Chaudhari S., “Keep Calm and Cool On: Maximize Savings at Your Chilled Water Plant”, Mechanical Engineering Energy Efficiency Workshop arranged by American Electric Power (AEP) – PSO and ICF International, Tulsa, OK, Oct 27, 2016

Posters / Seminars

  • Chaudhari, S., Sundaramoorthy S., “Energy Profiling and Efficiency of Steel Galvanizing Lines”, AIST Galvanizing TC Meeting, Calvert, AL, March 27-28, 2012.
  • Chaudhari, S., “Association Rule Data Mining for Improvement of Energy Efficiency at Manufacturing Facilities”, Invited Poster Session, Linking Innovation, Industry and Commercialization Grant, West Virginia University, September 2011.
  • Chaudhari, S., “IAC Knowledge Core: Pre-Assessment Preparation, Onsite Operations, Analyses, and Reporting”, UAIEE Workshop, Oct 17-18, 2010, Beijing, China
  • Gopalakrishnan, B., Chaudhari, S., “Industry Specific Discussions: IAC Experience with Industry – Specific Assessments with Case Studies”, UAIEE Workshop, Oct 17-18, 2010, Beijing, China.
  • Chaudhari, S., “Common Industrial Energy Efficiency Measures,” Talk at Energy Savings Seminar Hosted by Arbon Equipment Corporation, Oct.2, 2008, Canonsburg, PA.
  • Nandeshwar, A., Chaudhari, S., “Student Enrollment Prediction Model Using Admissions Data: A Data Mining Approach”, M2007 Posters - Annual SAS Data Mining Conference, October 1 -2, 2007, Las Vegas, NV, USA.