Overview

This document presents the SCUC and SCED/OPF models. Multiple model variations are provided.

• Security-Constrained Unit Commitment (SCUC)
• PTDF-based vs B-theta-based Models
• N-1 Constraints
• Optimal Power Flow (OPF)
• AC-based vs DC-based Models

Citation:

To cite this document, please cite the following as a reference:

• Xingpeng Li, “Grid Operational Models: SCUC and OPF Formulations”, Jun. 2026. [Online]. Available at: https://rpglab.github.io/resources/SCUC-OPF-Model-Variations/

Contact:

Dr. Xingpeng Li

University of Houston

Email: xli83@central.uh.edu

Website: https://rpglab.github.io/

License:

This work is licensed under the terms of the Creative Commons Attribution 4.0 (CC BY 4.0) license.

Disclaimer:

The author doesn’t make any warranty for the accuracy, completeness, or usefulness of any information disclosed and the author assumes no liability or responsibility for any errors or omissions for the information (data/code/results etc) disclosed.