Photo of Gord Stephen.

Gord Stephen

Grid Systems Research Engineer


Gord Stephen is a power systems data engineer in the Grid Systems Group within NREL's Grid Planning and Analysis Center and is interested in using advanced computational methods to answer electricity policy questions. He is currently working to improve the laboratory’s understanding of capacity value in modern power systems and enjoys applying probabilistic systems modelling and optimization techniques to address network challenges. He maintains or contributes to several software packages for the Julia technical computing language. Before joining NREL, he worked in policy modelling and program development at Natural Resources Canada.

Areas of Expertise

Numerical computing (particularly Julia)
Time series analysis and modelling

Research Interests

Probabilistic analysis of resource availability and flexibility in transmission-constrained and high-renewable grid scenarios
Optimal power flow and production cost modelling
Machine learning applications for scalable identification of energy efficiency and load management opportunities


M.E.S. in Environment and Resource Studies, University of Waterloo, Waterloo, Ontario
B.S. in Engineering Physics, Queen’s University, Kingston, Ontario

Prior Work Experience

Technical Policy Analyst, Renewable and Electrical Energy Division, Natural Resources Canada
Graduate Researcher, Sustainable Energy Policy Group, University of Waterloo