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Conference Spotlight
2026 Nuclear Energy Conference & Expo (NECX)
August 24–27, 2026
Dallas, TX|Hilton Anatole
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Nuclear Science and Engineering
September 2026
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Fusion Science and Technology
August 2026
Latest News
The transformation of the NRC: 50 years of commissioners
The dust is beginning to settle following the whirlwind of changes at the Nuclear Regulatory Commission over the past year, and 2025 ultimately may be viewed as a transformative year, as well as the year the NRC celebrated its golden anniversary. The 12 months of that milestone year brought more change to the agency in its composition, its mandate, and its relationship to the executive branch than any comparable period in the preceding four decades.
Now at 51 years and counting, the NRC is working with a full commission and issuing new rulemakings to both regulate and support the next round of nuclear deployments. With the turbulence of 2025 still fresh in our minds, Nuclear News decided it was a good time to revisit the professional backgrounds of all 42 NRC commissioners who have served over the agency’s 50-year history to see how the composition of the commission has evolved over time.
Technical Session|Technology Research and Development
Thursday, April 30, 2026|1:00–2:00PM EDT|Room 302/303/304
Session Chair:
Vincent Varouh
Alternate Chair:
Tyler Steiner (NASA GRC)
To access paper attachments, you must be logged in and registered for the meeting.
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Binder Jet Additive Manufacturing of Silicon Germanium Thermoelectric Materials
1:00–1:06PM EDT
Luke Hansen (Univ. Tennessee, Knoxville), David Hoelzer (ORNL), Trevor G. Aguirre (ORNL), Hsin Wang (ORNL), Brad Johnson (ORNL)
Paper
A Model-Based Engineering Toolbox for Thermoelectric Design in Radioisotope Power Generation
1:06–1:12PM EDT
Aniruddha Ray (RGS Development)
Presented by Maarten Den Heijer (RGS Development)
Three Processing Methods to Produce SiGe for Radioisotope Thermoelectric Generators (RTG)
1:12–1:18PM EDT
Hsin Wang (ORNL), Andrew F. May (ORNL), David T. Hoelzer (ORNL), Holden Hyer (ORNL), Mike Zach (ORNL), Thomas Muth (ORNL), Roger G. Miller (ORNL), Brad R. Johnson (ORNL)
Validation Effort and Sensitivity Study for a Skutterudite Thermoelectric Device
1:18–1:24PM EDT
Trevor Parker (ORNL), Nolan Goth (ORNL), Hsin Wang (ORNL), Hugo Bouteiller (ORNL), Brad Johnson (ORNL)
Technology Readiness Assessment for Stirling Power Convertor
1:24–1:30PM EDT
Young Lee (NASA JPL), Allen Guzik (NASA Glenn Research Center), Ashitey Trebi-Ollennu (NASA JPL), Vladimir Jovovic (NASA JPL), Jean-Pierre Fleurial (NASA JPL), John Elliott (NASA JPL), Geff Ottman (APL), Stephen Izon (APL), Mitchell Rodriguez (NASA Marshall Space Flight Center), Wsam Gazi (NASA Goddard Space Flight Center), Scott Wilson (NASA Glenn Research Center), Ed Lewandowski (NASA Glenn Research Center), Joseph Giglio (INL), Dan Kelly (APL), Gina Dugala (NASA Glenn Research Center), Salvatore Oriti (NASA Glenn Research Center)
Compression Testing of SiGe Thermoelectric Generators for Conductive Applications
1:30–1:36PM EDT
Spencer Schaiper (Univ. Dayton), Sam Mohler (Univ. Dayton), Antoine Gagne (Univ. Dayton), Boyd Tolson (Univ. Dayton), Zachary Adamson (Air Force Research Laboratory), Rydge Mulford (Univ. Dayton)
A Test of Record: SiGe 18 Couple Module Test Fixture
1:36–1:42PM EDT
Greg Mulderink (Teledyne Energy Systems), Jeffrey Kutsch (Teledyne Energy Systems), Lynda L. Renomeron (Teledyne Energy Systems)
Manufacturing Challenges in Re-Establishing NextGen SiGe Unicouple Production – Tooling
1:42–1:48PM EDT
Jeffrey Kutsch (Teledyne Energy Systems), Greg Mulderink (Teledyne Energy Systems), Lynda L. Renomeron (Teledyne Energy Systems)
Multilayered Metal Insulation (MLMI) Manufacturing for Radioisotope Power System Designs
1:48–1:54PM EDT
Timothy Hall (Faraday Technology Inc.), Sean Torrez (PSI Inc), Alexander Mednick (PSI Inc)
