Jim Reilly

Researcher III-Electrical Engineering


Working in the Engineering and Modeling Group of NREL's Integrated Applications Center under the Energy Systems Integration directorate, Jim is working to support high renewable penetration microgrids. Jim conducts engineering analysis to evaluate the technical and economic feasibility of hybrid microgrid systems including renewable energy, storage, and conventional generation on bases, campuses, military installations, and remote communities. Responsibilities include performing site assessments, collecting field data, creating electrical models, performing engineering studies and calculations, validating performance of technology on distributed power systems, and advising external clients on best practices for implementing new technologies with a specific focus on microgrid and resiliency applications. 

Jim has experience and expertise in energy projects ranging from 50 kW to 150 MW across distribution and transmission voltages of 480V to 230 kV.

Research Interests


Medium and high voltage power generation

Energy security for Department of Defense

Transmission and distribution system design.


B.S., Energy Engineering, Penn State University