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Energy Policy & Economics Group

Marc Ledbetter

Pacific Northwest National Laboratory
PO Box 999
Richland, WA 99352


Marc Ledbetter works out of PNNL's Portland office. He manages a program developing methods to speed the market introduction and acceptance of advanced energy-efficient technologies. He has 28 years of experience working in the field of energy and the environment, primarily on policies, programs, and technologies to improve energy efficiency. His recent areas of research and program management include market transformation, technology commercialization, efficient lighting equipment, and demand-side utility resources. Most recently, his work has focused on the challenges of adapting solid-state lighting (SSL) to the general illumination market. Prior to joining PNNL in 1993, he was Deputy Director of the American Council for an Energy-Efficient Economy in Washington, D.C.

Research Interests

  • Market transformation program design/development
  • Building energy efficiency technology analysis and evaluation
  • Technology commercialization strategies
  • Demand-side utility resources analysis and evaluation

Education and Credentials

  • B.A., Economics, University of Montana

PNNL Publications



  • McCullough JJ, TL Gilbride, KL Gordon, MR Ledbetter, LJ Sandahl, and MK Ton. 2008. "LED Lighting: Applying Lessons Learned from the CFL Experience." In ACEEE Summer Study on Energy Efficiency in Buildings, August 17-22, 2008, Pacific Grove, California, pp. 6-134 - 6-146.  American Council for an Energy-Efficient Economy (ACEEE), Washington. 
  • Sandahl LJ, TL Gilbride, MR Ledbetter, and JJ McCullough. 2008. A Review of the Reflector Compact Fluorescent Lights Technology Procurement Program: Conclusions and ResultsPNNL-17456, Pacific Northwest National Laboratory, Richland, WA. 



  • Ledbetter MR, JJ McCullough, HE Dillon, LJ Sandahl, and KL Gordon. 2005. "CFLs in Recessed Downlights: Technical Challenges." In Right Light 6, 6th International Conference on Energy Efficient Lighting, May 9-11, 2005, Shanghai, China., p. Paper No. RL6 #029  China Green Lights Programme Management Office, Shanghai, China. 


  • Hollomon B, MR Ledbetter, LJ Sandahl, and TL Shoemaker. 2002. "Seven Years Since SERP: Successes and Setbacks in Technology Procurement ." In 2002 American Council for an Energy-Efficient Economy (ACEEE) Summer Study on Energy Efficiency in Buildings. Part 6--Market transformation energy efficiency in buildings; teaming for efficiency, vol. 6, pp. 6.125 - 6.138.  ACEEE, Washington, DC. 


  • Sullivan GP, DB Elliott, A Hadley, TC Hillman, and MR Ledbetter. 2001. "SWEEP: An Analysis of Energy and Water Savings." In New Horizons in Drinking Water: Annual Conference Proceedings.  American Water Works Association, Denver, CO. 
  • Sullivan GP, DB Elliott, TC Hillman, A Hadley, MR Ledbetter, and DR Payson. 2001. SWEEP - Save Water & Energy Education ProgramPNNL-13538, Pacific Northwest National Laboratory, Richland, WA. 

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Todd Samuel