Download Help Files

PowerWorld Simulator Help Files

Simulator help is available online through the link provided below.  This online help will be updated periodically.

These help files can also be installed locally on your computer.  To install or update these files locally, download and unzip the following zip file.

PowerWorld Simulator Auxiliary File Format

Latest Auxiliary File Format (within WebHelp)  – updated March 26, 2025

The list below are PDF documents with the format described. To save these files to your hard drive for easier viewing, right-click on the link and select “Save Target As …” or “Save Link As …”.

Concise Contingency and Remedial Action Scheme Format

This format was first created as a means to exchange data for defining contingencies and Remedial Action Schemes (RAS) among entities throughout the Western Electricity Coordinating Council (WECC).  Starting in version 18 this format is an enhancement to the data section of the traditional auxiliary file format found in Simulator, and it can be loaded into Simulator anywhere that an auxiliary file can be loaded.

PowerWorld Simulator Transient Stability References

PowerWorld Simulator Optimal Power Flow Reference

PowerWorld TransLineCalc Help Files

Save these files into your PowerWorld Simulator directory (C:\Program Files\PowerWorld\TransCalc by default) by right-clicking on the link and selecting “Save Target As …” or “Save Link As …”.

TransLineCalc v2 Help

TransLineCalc v1 Help

FirstRate Users’ Guide

Provides a general description of using the FirstRate Generator Cost Model with PowerWorld Simulator. To save the file to your hard drive for easier viewing, right-click on the link and select “Save Target As …” or “Save Link As …”.

FirstRate User Guide