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CAPABILITIES FOR INDUSTRY AND RESEARCH APPLICATIONS

Enabling scalable open-source modeling

Production Cost Modeling

System scheduling, technology performance, and market opportunities

Sienna\Ops

Resource Adequacy

Probabilistic calculations for reliability analysis

Sienna\Ops

Power Flow

Efficient linearized-DC and AC power flow

Sienna\Data

Transient Stability

Small signal stability and full dynamic simulations

Sienna\Dyn

Power System Data

Import, manipulate, and access power system datasets

Sienna\Data
Why Choose Sienna

Open solutions for a transforming industry

  • Cutting-edge modeling capabilities

    Scalable modeling capabilities powered by Julia with the rapid evolution of open-source development.

  • Extensibility

    Open codebase and permissive licensing (BSD 3.0) enable endless customization, reuse, and commercialization opportunities.

  • Efficiency by design

    Designed with efficiency in mind, Sienna promotes efficient, reproducible workflows that allows users to identify issues early and generate results quickly.

about NLR

Focused on today's Energy Challenges

From breakthroughs in fundamental science to new clean technologies to integrated energy systems that power our lives, researchers at the National Laboratory of the Rockies are transforming the way the nation and the world use energy. We built Sienna to enable energy systems analysis at a scale that matters for users around the globe.

Learn More view our story

Testimonials

Why we use Sienna

With its innovative data architecture and flexible modeling capabilities, Sienna has the potential to bridge the longstanding divide between planning and operations.

We built Sienna to address emerging industry challenges with scalable new modeling methods.

I started developing Sienna during my Ph.D. program to explore new methods at scale on real datasets.

Jim Himelic

Founding Principal, First Principles Advisory.

Clayton Barrows, Ph.D.

Sienna Principal Investigator, Researcher & Group Manager, NLR.

José Daniel Lara

Sienna Development Lead, Senior Researcher, NLR.
PUBLICATIONS

Latest Articles

The National Transmission Planning Study (Ch. 3 and 4)

A Model for Hybrid Systems for Production Cost Modeling Studies Considering Ancillary Services

Small-Signal Stability Impacts of Load and Network Dynamics on Grid-Forming Inverters

See All Publications