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User Guide for PyGREET Test Release

PyGREET
Figure 1: PyGREET

Beta Version

Life Cycle Analysis Group
LCA and Technology Assessment Department
Energy Systems and Infrastructure Assessment Division
Argonne National Laboratory

June 11, 2026

Welcome to PyGREET

This user guide provides comprehensive documentation for the PyGREET desktop application. PyGREET is a powerful lifecycle modeling tool that provides a graphical interface for lifecycle analysis using a bundled Python engine and local SQLite storage.

The application runs on Windows, macOS, and Linux systems, making it accessible across multiple platforms.

What You'll Find in This Guide

This documentation is organized into the following sections:

  • Getting Started: Installation instructions and initial setup
  • User Guide: Core features like Dashboard, Library, and navigation
  • Editors: Detailed documentation for all PyGREET editors (Flows, Processes, Vehicles, Pathways, etc.)
  • Reference: Terminology and definitions