Ray Zimmerman

Ray Zimmerman

Senior Research Associate

201-E Warren Hall


Areas of Expertise

  • Electricity Markets
  • Optimization
  • Power Systems
  • Renewable Energy
  • Software Tools
  • Sustainability


  • Doctorate Cornell University, 1995
  • Master of Science Cornell University, 1992
  • Bachelor of Science Drexel University, 1989

Research Focus

My research interests center on the interactions between the economic and engineering aspects of electric power systems operations and planning. I have a particular interest in the optimization problems, algorithms and software tools needed to address the challenges of an increasingly smart power grid.

Additional Links

Selected Publications

Journal Publications


  • Mao, B., Murillo-Sánchez, C., & Zimmerman, R. D. (2016). E4ST 1.0b2. Ithaca, NY, US.

Presentations and Activities

  • Secure Planning and Operations of Systems with Stochastic Sources, Energy Storage and Active Demand. FERC Technical Conference on Increasing Real-Time and Day-Ahead Market Efficiency through Improved Software. June 2013. Federal Energy Regulatory Commission. Washington, DC USA.
  • Mapping Energy Futures: The SuperOPF Planning Tool. FERC Workshop on the Next Generation of Transmission Planning Models. March 2013. Washington, DC USA.
  • A SuperOPF Framework. FERC Technical Conference on Increasing Market and Planning Efficiency Through Improved Software and Hardware - Enhanced Optimal Power Flow Models. June 2010. Federal Energy Regulatory Commission. Washington, DC.