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Steven DiGregorio

Staff Page • Postdoctoral Researcher. Biography Steven DiGregorio is a postdoctoral researcher in the Photovoltaic Systems Evaluation Laboratory (PSEL) at Sandia National Laboratories. His current research focuses on the characterization and statistical analysis of PV connector failures and the quantification of cell and glass cracking due to hail impacts on PV modules. Prior...
Image of Steven DiGregorio

Structural Health Monitoring

Page • One of the key challenges facing the industry is to develop reliable methods to detect damage in the rotor blades—and to detect them early enough to improve operations and repair/maintenance decisions leading to reduced costs and increased revenues. Sandia is addressing this challenge by performing research in the areas of...

Stunning discovery: Metals can heal themselves

News Article, August 8, 2023 • Scientists for the first time have witnessed pieces of metal crack, then fuse back together without any human intervention, overturning fundamental scientific theories in the process. If the newly discovered phenomenon can be harnessed, it could usher in an engineering revolution — one in which self-healing engines, bridges and airplanes...
A researcher examines data on a large screen while standing among laboratory equipment lit with red light.

Subsurface Energy Storage

Page • Sandia’s program in subsurface energy storage connects our expertise in underground energy storage with researchers and developers in commercial, industrial, and academic settings. Together, we are building national expertise in wellbore integrity for oil, gas, and carbon storage, as well as geologic hydrogen and hydrogen storage. Our combined experts, facilities,...

Successful G3P3 receiver test is a step towards commercial scalability

News Article, September 18, 2024 • Researchers at the National Solar Thermal Test Facility have successfully tested the Generation 3 Particle Pilot Plant’s falling particle receiver. This new receiver is double the size of its predecessor and operates at two megawatts of concentrated radiative energy. The test represents an important step toward the commercial scalability of...

Summer Ferreira

Staff Page • Manager, Resilient Energy and Distributed Systems Integration. Biography Dr. Summer Ferreira is the Manager for the Resilient Energy and Distributed Systems Integration (REDSI) department at Sandia National Laboratories. She has served in this role since 2019 as the program manager for Sandia activities in support of Department of Energy (DOE)...

Supercritical Transformational Electric Power (STEP) Nuclear Energy

Page • What is STEP? The Supercritical Transformational Electric Power (STEP) Generation program constitutes a crosscut to facilitate the commercialization of Supercritical Carbon Dioxide (sCO2) technology. STEP is co-sponsored by the offices of Nuclear Energy (NE), Fossil Energy (FE) and Energy Efficiency and Renewable Energy (EERE). The STEP mission is to reduce the...

Surf’s up! Free webinar on wave energy

News Article, March 20, 2024 • Join our free webinar on March 26 at 11 a.m. Eastern Time with Sandia National Laboratories’ Ryan Coe, Giorgio Bacelli, Dominic Forbush and Tim Donnelly. They will share and discuss recent results from WEC co-design testing on the “WaveBot” device at the U.S. Naval Surface Warfare Center, Carderock Division Maneuvering...

SWiFT Research Program

Page • Wind-pant underperformance is estimated to reduce revenue by 10%–40% due to turbine–turbine interaction and represents the most significant opportunity to reduce the levelized cost of wind energy. DOE has established the Wind Plant Optimization Center (also called the Atmosphere to Electrons [A2e] program) to facilitate a national focus on improving...

Techno-Economic Performance Metrics

Page • There are a wide variety of needs and uses for Marine and Hydrokinetic (MHK) techno-economic performance metrics. They accomplish a variety of objectives, including enabling consistent evaluation and benchmarking of device/component performance in marine energy across all stages of development; helping to discern technology/industry advancement and identify cost-reduction pathways. Methodology...

Technology Commercialization Fund Voucher Call is now open

News Article, June 17, 2024 • Do you know an entrepreneur, innovator, or community partner looking for technical assistance to bring their technology to market? Consider sharing the U.S. Department of Energy’s Office of Technology Transitions Technology Commercialization Fund (TCF) Open Voucher Call. The new $2.1 million opportunity will make $100,000 vouchers available to innovators, entrepreneurs,...
Image of five scientists. In the middle, one woman holds up a gear, looking through it. Image also includes the Office of Technology Transitions logo and the American-Made logo.

Testing Capabilities

Page • High-Temperature & High-Flux Testing Capabilities The site was built and instrumented to provide test facilities for a variety of solar and non-solar applications. Solar Tower 1. 350W/cm2 2. 6.2 MWth Solar Furnace 1. 16 kW 2. 600 W/cm2 Molten Salt Test Loop 1. Three Test Loops 2. 60% NaNo3/40% KNO3...

Thad Haines

Staff Page • Senior Member, Technical Staff. Biography Thad Haines is a senior member of the technical staff with the Resilient Energy and Distributed Systems Integration department at Sandia National Laboratories where his work contributes to better understanding issues related to resilience, stability, and controllability of electrical power systems due to increased renewable...

The Impact of Snow on PV Performance

Page • Introduction With the rapid growth of solar across northern regions, the impact of snow shading on modules is a growing concern. Published estimates of energy losses range from 1 to 12 percent annually, with monthly losses as high as 100 percent, depending on location and weather conditions; in addition, snow...

The WaveBot goes to Carderock

News Article, February 21, 2024 • The WaveBot, a scale-model wave energy converter (WEC), bobs up and down in the water as researchers cluster around a row of monitors in the control room of the largest wave tank in the United States. This is the WaveBot’s fourth trip to the U.S. Naval Surface Warfare Center, Carderock...
The WaveBot at the U.S. Naval Surface Warfare Center, Carderock Division Maneuvering and Seakeeping Basin (MASK) in Bethesda, Maryland.

There goes the sun: annular solar eclipse

News Article, October 20, 2023 • Glimpse phases of the annular solar eclipse as it passes Sandia’s National Solar Thermal Test Facility in Albuquerque on Oct. 14. The first photograph includes multiple exposures as the sun and moon traveled left to right, as well as an exposure without the eclipse. The second photograph comprises multiple exposures...
a mirrored heliostat reflects the phases of the 2023 solar eclipse.

Thermal Energy Storage

Page • The National Solar Thermal Testing Facility excels in the research and development of heat transfer fluids and thermal energy storage systems. Thermal energy storage has a number of benefits, including high-energy density, low costs, a readily available media storage, the ability to deliver heat and electricity, and the ability to...

Thermal Test Complex

Facility • The Thermal Test Complex (TTC) is an international resource for validation of fire physics models as well as the nuclear weapons complex hardware qualification facility for fires. Experimental fire research, validated modeling tools, and phenomenological model development capabilities form the basis of an integrated capability to solve high-consequence problems in fire prevention,...

Thomas Herges

Staff Page • Instrumentation & Aeronautical Engineer. Biography Tommy Herges leads instrumentation development activities for wind plant field campaigns in the Wind Energy Computational Sciences Department at Sandia National Laboratories. He has been a member of the Wind Energy Technologies department since 2013, where he has worked on advanced laser velocity measurements and...

Threat and Impact Modeling

Page • Sandia’s threat modeling work focuses on characterizing the wide-ranging impacts from natural hazards on our infrastructure sectors. Threats serve as the key input to resilience analysis, and accurate assessment of system performance depends on a knowledge of what is likely to go wrong when a disruption occurs. The threats are...

Thushara Gunda

Staff Page • Complex Systems Analyst. Biography Thushara Gunda is a Principal Member of Technical Staff at Sandia National Laboratories. Her research portfolio focuses on data-driven decision making in complex systems, including water resources, energy, and security domains. Leveraging insights from interdisciplinary perspective is a key distinguishing feature of Thushara’s work. Her research...

Tim Riley

Staff Page • CEP, CSP, PMP. Biography Timothy G. (Tim) Riley began his professional journey as a helicopter crew chief in the U.S. Air Force and has been passionate about all things that fly or rotate ever since. Following his military service, Tim went on to enjoy an incredible 23-year career in NASA’s...

Timotius Oentung

Staff Page • R&D S&E, Cybersecurity. Biography Timotius Oentung currently works as a Research and Development (R&D) Software and Engineering (S&E) staff member for the Resilient Energy and Distributed System Integration (RDSI) organization. Prior to joining Sandia, he graduated with an MS in Cybersecurity and Privacy from the University of Central Florida with...

Todd Monson

Staff Page • Physicist. Biography Todd Monson is a Principal Member of the Technical Staff at Sandia National Laboratories, where for the past fifteen years his research has focused primarily on the synthesis and characterization of ferromagnetic and ferroelectric nanomaterials for energy related applications. Todd holds a Ph.D. and M.A. in physics from...

Tools

Page • Tools Browse select computational codes, data sets, models, software, tools, and toolkits from Sandia National Laboratories' energy programs Arctic Science & Security For software developed at Sandia that covers a variety of applications related to research in the Arctic, please visit the Arctic Software page. Search licensable technologies, patents, applications, and...
Results 551–575 of 632