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OPEN100 collaborators demonstrate their commitment to solving the real-world challenges facing nuclear power in new and innovative ways.  Collectively, we are re-thinking the rapid deployment of nuclear energy using existing and well-known technology without prohibitive costs, resulting in a framework to develop realistic clean energy alternatives to fossil fuels.  

Idaho National Laboratory

Probabilistic Risk Analysis (PRA) representative of initiating events and scenarios for the OPEN100 design.

Studsvik Scandpower

Core analysis using Studsvik’s CMS5 core management system to enable rapid examination of design variations and fuel cycle performance.

Jožef Stefan Institute

Reactor core design and analysis, including neutronics modelling, fuel cycle life determination, enrichment pattern variations, and burnable poison selection.

Fermi Energia

Advising on international market and commercial applications, including integration for industrial steam and district heat.

National Nuclear Laboratory

Standardization and sequencing of development activities required to conceive, plan, build, and integrate a nuclear plant.

University of Michigan

Open data accessibility for engineering students, faculty, and academic institutions.

Pillsbury Winthrop Shaw Pittman

Advising on nuclear business law, including commercial objectives and regulatory compliance.

Hogan Lovells

Advising on nuclear export control law, including DOE Part 810 and NRC Part 110 requirements.

Electric Power Research Institute

Collaboration by sharing R&D insights for PWR power plants and identifying new opportunities for advanced nuclear research.

ESI Inc. of Tennessee

Power plant construction scheduling and costing, including representative model for the open100 based on non-nuclear specific construction methods.

Hargrove Engineers and Constructors

Process and Instrumentation Diagram (P&ID) development, including valve and pipe lists. Estimates for civil site work costing and scheduling.

Biren Patel Engineering

Electrical engineering and conceptual substation design, including preliminary one-lines and electrical equipment costing estimates.

Pittsburgh Technical

Design analysis of the OPEN100 reactor core, including preliminary core arrangement.

Dominion Engineering

Design of the NSSS primary water chemistry, including corrosion rate, material selection, and failure mechanisms.


Critial equipment for steam to energy conversion, including turbine-genset.

Oak Ridge National Laboratory

Fuel and reactor core design, including VERA modeling, energy cycle, reactivity and thermal requirements, and performance optimization.

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