MATPOWER Version 7.1 08-Oct-2020 MATPOWER is a package of M-files for solving power flow, continuation power flow and optimal power flow problems using MATLAB or Octave. It is intended as a simulation tool for researchers and educators that is easy to use and modify. MATPOWER is designed to give the best performance possible while keeping the code simple to understand and modify. MATPOWER releases can be downloaded from the MATPOWER website: https://matpower.org and the latest stable and work-in-progress versions can always be downloaded or cloned from the MATPOWER GitHub project, whose `master` branch should always contain a stable version. https://github.com/MATPOWER/matpower MATPOWER is covered by the 3-clause BSD License (see LICENSE for details).