Skip to Main Content U.S. Department of Energy
Energy and Environment Directorate

Sarah Safranek

Sarah Safranek

(503) 227-2467


Sarah joined PNNL as a Lighting Research Associate in September of 2017. Prior to joining PNNL, Sarah contributed to research at the University of Colorado for the Architectural Engineering's Building Systems program with an emphasis on lighting. Her previous work experience involved the design of energy efficient lighting and daylighting systems. Sarah's work is currently is focused on conducting research on a range of technology and application topics surrounding advanced Solid State Lighting systems and technologies.

Research Interests

  • Lighting energy efficiency and sustainability
  • Daylighting Simulation and Analysis
  • Sustainable Building Design

Education and Credentials

  • M.S., Architectural Engineering, University of Colorado
  • B.S., Architectural Engineering, University of Colorado

PNNL Publications


  • Davis R.G., L.J. McCunn, A. Wilkerson, and S.F. Safranek. 2020. "Nurses' Satisfaction with Patient Room Lighting Conditions: A Study of Nurses in Four Hospitals with Differences in the Environment of Care." Health Environments Research and Design 13, no. 3:110-124. PNNL-SA-145366. doi:10.1177/1937586719890940
  • Royer M.P., M. Wei, A. Wilkerson, and S.F. Safranek. 2020. "Experimental validation of color rendition specification criteria based on ANSI/IES TM-30-18." Lighting Research and Technology 52, no. 3:323-349. PNNL-SA-142381. doi:10.1177/1477153519857625
  • Safranek S.F., J.M. Collier, A. Wilkerson, and R.G. Davis. 2020. "Energy impact of human health and wellness lighting recommendations for office and classroom applications." Energy and Buildings 226. PNNL-SA-151604. doi:10.1016/j.enbuild.2020.110365


  • Davis R.G., and S.F. Safranek. 2019. "Lessons in the classroom." LD+A Magazine 49, no. 5. PNNL-SA-141890.


Energy and Environment

Core Research Areas