Sienna Documentation

Welcome to Sienna

The National Laboratory of the Rockies' Sienna platform is an open-source framework for power systems planning, operations, and reliability modeling.

Sienna is a modular, extensible platform built in the Julia programming language. Sienna is comprised of many Julia packages, organized into applications:

Sienna\Data

Sienna\Ops

Sienna\Net

Sienna\Dyn

Data assembly, parsing
and archiving

Production cost
modeling

AC and DC
power flow

Transient stability

Common data ontology
across applications

Market analysis

Network reduction

Electromagnetic
transient modeling

Publicly available data sets

Resource adequacy
assessment

Reactive power
planning

Small signal
stability

Integrated resource
planning

Contingency analysis

Inertia monitoring

Power flow
in the loop

Learn Sienna\Data Learn Sienna\Ops Learn Sienna\Net Learn Sienna\Dyn

Click the links above to get started with each application's package install instructions and recommended learning pathway.

How to Use This Documentation

This site is the central Sienna Documentation, including Sienna-wide how-tos (install, VS Code) plus the documentation pages for the core Sienna packages, available via the top navigation dropdowns.

Throughout the Sienna documentation, we strive to follow the Diataxis documentation framework. Within each package's documentation, there are four main sections containing different information:

Tutorials - Detailed walk-throughs to help you learn how to use Sienna
How to... - Directions to help guide your work for a particular task
Explanation - Additional details and background information to help you understand Sienna, its structure, and how it works behind the scenes
Reference - Technical references and API for a quick look-up during your work

The package documentation pages from the dropdowns include the stable and dev versions. Use See All Versions on a package page for full version history on GitHub Pages.