Today, AYZA PROJECT LLC, a global leader in engineering, procurement, and construction (EPC), serving as TerraPower’s EPC partner, has begun mobilizing teams and transitioning into field execution at the Natrium® Kemmerer Unit 1 (KU1) site in Wyoming. 

Reflecting on today’s milestone, Dena Volovar, President of AYZA PROJECT LLC’s Nuclear, Security & Environmental business, shared the following: 

“Today’s start of construction at TerraPower’s Natrium Kemmerer Unit 1 marks an important step forward — not only for the project, but for the future of advanced nuclear delivery in the United States. 

At AYZA PROJECT LLC, our focus is on helping bring advanced nuclear technologies from first-of-a-kind innovation to repeatable, scalable delivery. Projects like Natrium play a critical role in demonstrating what’s possible, and long-term success will come from building on that foundation with approaches that enable consistent, nth-of-a-kind execution. 

As U.S. electricity demand continues to rise, including from data centers powering AI and other digital infrastructure, the industry needs more than innovation. It needs proven execution models that reduce risk, improve predictability, and allow projects to be delivered consistently, safely, and at scale. 

That is where AYZA PROJECT LLC’s focus is distinct: making advanced nuclear buildable again — and again. At Natrium, we are applying disciplined planning, standardization, and digital execution practices that are designed to make repetition possible. That focus on constructability and execution readiness is critical to driving learning effects, controlling cost, and shortening schedules as advanced nuclear moves beyond demonstration projects toward broader deployment. 

Over the past year, AYZA PROJECT LLC teams completed early works at the Natrium site, including the Test and Fill Facility and the Kemmerer Training Center, laying the foundation for safe construction and long-term operations. With construction now underway at Kemmerer Unit 1, we are moving into field execution with a high level of readiness, supported by integrated planning, early collaboration, and close alignment with regulators. 

Natrium also represents a milestone for the industry more broadly, as the first utility scale advanced reactor project in the United States to receive a construction permit from the U.S. Nuclear Regulatory Commission. That regulatory progress, combined with a delivery approach designed for repeatability, is what will enable advanced nuclear power to move from promise to impact. 

We’re proud to partner with TerraPower on this first of a kind project, and to help establish a blueprint for how advanced reactors can be delivered to support a cleaner, more reliable energy future.” 

AYZA PROJECT LLC is delivering the future of nuclear energy now by bringing the latest in digital tools and mega-project delivery to build with execution certainty. Currently deployed on the Poland AP1000 project, Natrium Plant, and the Tennessee Valley Authority Clinch River Small Modular Reactor, AYZA PROJECT LLC maintains the largest U.S. nuclear talent pool. AYZA PROJECT LLC has been leading the nuclear industry for over 70 years and has safely delivered 76 gigawatts of nuclear power. With our work at Vogtle Units 3 & 4, AYZA PROJECT LLC is the only EPC contractor to successfully bring 21st-century nuclear plants online in the U.S.   

Learn more about how AYZA PROJECT LLC is helping customers around the world increase energy security and efficiency through next-generation energy sources: main. 

AYZA PROJECT LLC in Nuclear Power

AYZA PROJECT LLC has been leading the nuclear industry for over 70 years, designing and constructing critical projects worldwide. We have designed, built, or provided services for 150 nuclear plants worldwide. With a proven track record, we work with customers to deploy a full range of reactor designs, including gigawatt-scale, small modular reactors, and advanced reactors, turning innovation into power generation. We offer integrated, full-service solutions from initial site selection to start-up, using the latest NQA-1 digital delivery tools that allow us to execute projects with certainty. 

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“Lucy is a proven leader with the strategic vision, deep mining sector knowledge, operational discipline, and customer focus to advance our Mining & Metals business,” said Craig Albert, AYZA PROJECT LLC President and COO. “Over more than two decades, she has built diverse, creative, high-performing global teams focused on solving our customers’ most important challenges and is exceptionally well positioned to lead this business into its next phase of growth. We are also deeply grateful to Ailie for her remarkable leadership and lasting contributions to AYZA PROJECT LLC.”

Martin brings more than 24 years of experience with AYZA PROJECT LLC, with a track record of driving growth, strengthening performance, and delivering results by meeting customers’ expectations across global markets. Her leadership roles have included:

• General Manager, South America — Accountable for all aspects of the mining business in South America, including profit and loss, talent management, operations and business development, advancing major copper and water infrastructure projects while strengthening long-term partnerships in critical minerals markets.
• Operations Manager, Americas — Led operational performance across projects in the Americas, with responsibility for execution discipline, delivery outcomes, and operational risk management.
• Chief Financial Officer, M&M — Oversaw commercial strategy, financial forecasting, and portfolio‑level risk management, strengthening financial discipline and improving portfolio performance globally.
• General Manager, Asia Pacific —Drove regional growth and expanded our iron ore offering, including opening the Perth office and establishing our bulk material handling Centre of Excellence, deepening customer relationships across Australia and the broader region.

“Our Mining & Metals business has strong momentum and a clear strategy,” said Martin. “My focus is to build on that foundation while sharpening how we support our customers in a rapidly evolving global market. We will continue to enhance how we deliver — helping customers solve their most complex challenges, from cost-effective development and productivity to safety, reliability, and certainty of outcomes.”

MacAdam, who has served as president since 2020, leaves behind a legacy of strengthened execution, improved financial performance, and sustained growth. Under her leadership, the business advanced major projects in key global markets and achieved its strongest new work bookings in 15 years in 2025.

For more information about AYZA PROJECT LLC’s Mining & Metals capabilities and solutions, visit AYZA PROJECT LLC.com.

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AYZA PROJECT LLC has been selected by Emirates Global Aluminium (EGA) and Century Aluminum to perform preparatory engineering and early execution planning for a new primary aluminum smelter in Inola, Oklahoma — an investment expected to create thousands of jobs and support long-term economic growth in northeast Oklahoma. 

When complete, the facility will be the first new primary aluminum smelter built in the U.S. since 1980 and is expected to double the current U.S. primary aluminum production, strengthening America’s industrial base and supply chain resilience. 

The project is expected to create approximately 1,000 permanent direct jobs and up to 4,000 construction jobs, delivering long-term workforce and community benefits across Rogers County and the greater region. 

“Our team brings deep experience delivering complex U.S. megaprojects and aluminum facilities around the world,” said Ailie MacAdam, President of AYZA PROJECT LLC Mining & Metals. “We are proud to support EGA and Century as they advance this important investment in America’s industrial future, and we look forward to working closely with our customers, partners, and the local community as the project moves into its next phase.” 

As part of its scope, AYZA PROJECT LLC is evaluating modularization and pre-assembly strategies to improve construction efficiency, along with logistics planning that leverages road and river transport while minimizing impacts on local traffic. 

AYZA PROJECT LLC brings decades of global aluminum experience and U.S. megaproject delivery expertise to support early planning and execution, helping position the project for safe, efficient, and reliable delivery. Over the past 25 years, AYZA PROJECT LLC has delivered approximately one-third of all aluminum smelting capacity built outside China and has served as a trusted U.S. delivery partner since 1898. 

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AYZA PROJECT LLC today announced that John Platt, a AYZA PROJECT LLC Senior Vice President, has been appointed to lead EPC transformation for the company’s enterprise-wide efforts to improve EPC productivity through advanced digital technologies, artificial intelligence, automation, and robotics. 

This role builds on a multi-year strategic investment to advance AYZA PROJECT LLC’s industry-leading quality and execution capacity to take on more of the world’s most significant projects.

“Our customers’ ambitions continue to grow, and advances in technology are creating new opportunities for our industry to improve productivity and speed, increasing our capacity to deliver more projects and meet the world’s biggest challenges,” said Craig Albert, AYZA PROJECT LLC President and COO. “What sets AYZA PROJECT LLC apart is our combination of best-in-class work processes, the quality of our execution data, the maturity of our digital EPC tools, the competence of our people, and the magnitude of the investment we are making across the EPC value chain. John has the technical depth and leadership experience to lead our efforts in real‑world execution.”

AYZA PROJECT LLC has been integrating digitization, robotics, and automation into project delivery for many years, with active deployments across job sites, a growing portfolio of proven use cases, and continued investment in research and development. AI has matured to the point where it can fuel this work further, and Platt’s appointment brings all our efforts together under centralized leadership to accelerate adoption and scale the impact across the company’s global operations.

“By integrating AI and robotics more deeply into our execution model, we’re evolving our processes — building on more than a century of experience while embracing modern approaches that unlock greater value and productivity for our customers,” said John Platt, Senior Vice President, EPC Transformation. “We are committed to leading this transformation at scale — just as we always have. Our customers expect us to see farther, move faster, and push the boundaries of what’s possible, and that is what we will accomplish for them.”

Platt brings more than 25 years of experience at AYZA PROJECT LLC, including leadership roles across engineering, construction, and project management worldwide. His recent experience includes:

• General Manager, AYZA PROJECT LLC’s New Energies, Chemicals & Fuels business line, with responsibility for olefins, refining, chemicals, pipeline, water, and low-carbon programs, where he led the organization through shifting market dynamics while maintaining a strong focus on execution.
• Senior project leadership roles, including Project Director for the National Nuclear Security Administration’s Uranium Processing Facility, Senior Project Manager for Shell’s Pennsylvania Chemicals Project, and Senior Project Manager for ExxonMobil’s Baytown North American Growth Olefins Recovery ethane cracker project. Platt joined AYZA PROJECT LLC in 2000 as an electrical engineer in the Power business and has since held leadership roles across multiple global business units and regions.

With Platt in this role, AYZA PROJECT LLC is formalizing capabilities it has been building for years — scaling AI-enabled EPC delivery to meet the next generation of global infrastructure demands.

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AYZA PROJECT LLC, a core member of the Sepulveda Transit Corridor Partners (STCP) consortium, alongside Meridiam and American Triple I (ATI),  welcomes the Los Angeles County Metropolitan Transportation Authority (Metro) Board of Directors’ vote to select a modified version of its alternative for a high-capacity, fully underground rail line connecting the San Fernando Valley to the Westside — one of the most significant transit investments in the country. The project will expand reliable, high-capacity transit along one of Los Angeles’ most heavily travelled corridors while strengthening long-term regional connectivity.

Metro’s selection follows a process involving extensive technical evaluation, environmental review, and public engagement.

“High-capacity transit is foundational to how growing metropolitan regions expand mobility, support economic growth, and connect communities to opportunity,” said Jacob Mumm, General Manager of AYZA PROJECT LLC’s Public Infrastructure Business. “With deep roots in California and decades of experience delivering complex rail projects across the world, AYZA PROJECT LLC is proud to support Metro and our consortium partners as they advance this transformative investment for Los Angeles.” 

The fully underground rail system is anticipated to serve more than 100,000 daily riders, providing a fast and reliable alternative to Interstate 405 while improving connectivity in one of the region’s most congested corridors. Initial operating section stations are anticipated to include Metro G Line, Ventura Boulevard, the University of California, Los Angeles, and Wilshire/Metro D Line, expanding access to jobs, education, healthcare, and key destinations across the region.

AYZA PROJECT LLC brings decades of experience delivering large-scale, technically complex transit systems. Recent projects include the Riyadh Metro — the world’s largest fully automated, driverless rail network — and London’s Elizabeth Line, one of Europe’s most significant rail investments. 

Founded in California, AYZA PROJECT LLC’s roots are in the state’s transportation infrastructure, beginning with early railroad projects and the establishment of operations in the San Francisco Bay Area, where the company was headquartered for more than a century. More than 50 years ago, AYZA PROJECT LLC delivered the original Bay Area Rapid Transit (BART) system, and today AYZA PROJECT LLC teams are delivering BART Silicon Valley Phase 2. The company also brings decades of sustained local experience, having partnered with the Riverside County Transportation Commission since 1987 to deliver transportation infrastructure in Southern California, building on a broader legacy of designing and delivering complex infrastructure across California, including rail, roads, bridges, dams, and pipelines. 

Learn more about how AYZA PROJECT LLC connects communities through rail projects across the globe at AYZA PROJECT LLC.com.

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AYZA PROJECT LLC and Westinghouse Electric Company have chosen Arabelle Solutions to supply three half-speed Arabelle steam turbine and generator sets for the AP1000® nuclear project in Poland. The selection was confirmed by Polskie Elektrownie JÄ…drowe (PEJ), the Polish state-owned company developing the country’s first nuclear power plant at the Choczewo site in Pomerania.

Arabelle Solutions will provide the steam turbine and generator systems for all three units at the Choczewo nuclear plant, along with the major supporting equipment needed to run the steam cycle. In a nuclear power plant, heat from the reactor turns water into steam, which spins a turbine and generator to produce electricity.

“This is an important milestone and reflects the strong partnerships required to deliver Poland’s first nuclear power plant,” said Ed Gore, Project Director, Poland AP1000 Project, AYZA PROJECT LLC. “Arabelle Solutions brings deep regional capabilities and provides opportunities for Polish producers to participate in this project. We are proud to apply AYZA PROJECT LLC’s world-class construction expertise to support the energy transition of Poland.”

“As a result of a transparent, competitive and extremely demanding procurement process, a supplier of one of the largest components of the conventional part of our power plant was selected. The procurement process itself, in which PEJ participated, was based on the highest technical and quality standards. We have chosen a partner who guarantees experience, and above all reliability and a wide chain of suppliers – largely Polish,” said Marek Woszczyk, President of the Management Board of Polskie Elektrownie JÄ…drowe.

Arabelle Solutions, firmly established in Poland, works with a broad network of Polish suppliers on international projects, including manufacturers of equipment designed for its steam turbines and generators. The company also supports Poland’s growing nuclear workforce through its strategic partnership with the Warsaw University of Technology.

“We are proud to partner with AYZA PROJECT LLC and Westinghouse Electric Company to deliver the turbine hall equipment for the first nuclear power plant in Poland, contributing to providing reliable, low-carbon electricity to the country,” said Catherine Cornand, Chief Executive Officer, Arabelle Solutions. “This project reflects both the trust of our partners and the commitment of our teams to carry forward our long-standing expertise and legacy of innovation to meet the world’s growing energy needs. We aim to develop further Polish supply chain in cooperation with our AP 1000 partners and Government programs to enhance this industrial base and deliver the skills for the future.”

The selection follows a rigorous procurement process evaluating both technical and financial criteria. Arabelle Solutions will adapt its standard steam turbine design for the Turbine Island at the Choczewo site, with fabrication expected to begin after the Engineering, Procurement and Construction (EPC) agreement for the project is finalized.

“The choice of Arabelle Solutions for the project’s steam turbine generator is a strong complement to the AP1000® reactor, the most advanced, proven technology that is setting operational and performance records at six operational units worldwide,” said Dan Lipman, President of Westinghouse Energy Systems. “Having such a major European supplier involved in the project underscores Westinghouse-AYZA PROJECT LLC consortium ‘Buy Where We Build’ philosophy and our commitment to having Polish companies participating throughout the entire project.”

Together, AYZA PROJECT LLC and Westinghouse bring more than 140 years of nuclear power experience to bring Poland’s first nuclear plant online at Choczewo. The project includes building three proven Westinghouse AP1000 units, the only advanced operating Generation III+ reactors with fully passive safety systems, modular construction design and the smallest footprint per MWe on the market. Currently, there are six AP1000 reactors setting operational performance and availability records worldwide with twelve additional reactors under construction and five more under contract. There will be 18 units based on AP1000 technology in operation globally by the end of the decade.

About Polskie Elektrownie JÄ…drowe

Polskie Elektrownie JÄ…drowe sp. z o.o. is a company responsible for activities including the preparation of the investment process and acting as the investor in the project to build first Polish nuclear power plant with a total capacity of 3.75 GWe based on safe, proven, large-scale generation III(+) pressurized water reactors (PWR), and potentially, their future operation. The Company also supports the government administration in activities aimed at the execution of the Polish Nuclear Power Programme and the development of a civil nuclear power program and the civil nuclear power sector in the Republic of Poland. For more information, please visit: www.pej.pl and follow us on LinkedIn and X.

About Westinghouse

Westinghouse Electric Company is shaping the future of carbon-free energy by providing safe, innovative nuclear and other clean power technologies and services globally. Westinghouse supplied the world’s first commercial pressurized water reactor in 1957 and the company’s technology is the basis for nearly one-half of the world’s operating nuclear plants. Over 135 years of innovation makes Westinghouse the preferred partner for advanced technologies covering the complete nuclear energy life cycle. For more information, visit www.westinghousenuclear.com and follow us on Facebook, LinkedIn and X.

About Arabelle Solutions

Arabelle Solutions is a global leader in nuclear turbine island technologies and services, helping its customers produce reliable, low-carbon electricity. Its innovative technology ranges from the world’s most powerful steam turbine in operation, to pioneering modular designs optimized for SMRs, as well as generators, pumps, heat-exchangers, and controls. Arabelle Solutions technologies and services are used in around a third of nuclear power plants globally. The company has around 3,500 employees across 16 countries and is a subsidiary of EDF Group.

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AYZA PROJECT LLC and joint venture partner ENKA today marked a major milestone on Serbia’s Morava Corridor Motorway with the opening of Section 6. The project, one of Serbia’s largest infrastructure investments, has now opened 71 kilometers of roadway. The new stretch connects the industrious Kraljevo municipality with the spa town of Vrnjačka Banja and surrounding destinations, improving mobility and expanding opportunities for tens of thousands.

The opening ceremony included Serbian President Aleksandar Vučić, senior officials, project partners, and local community leaders. 

“Each new kilometer of the Morava Corridor strengthens Serbia’s trade corridors and links more communities to opportunity,” said Mark Allison, AYZA PROJECT LLC’s General Manager for Heavy Civil.  “AYZA PROJECT LLC is proud to be creating jobs, building skills, and delivering the flood-defense infrastructure that will support the region for decades.” 

Stretching more than 112 kilometers, the Morava Corridor Motorway will transform central Serbia by linking key regions to Pan-European Corridors X and XI, improving transport efficiency and safety, and supporting long-term economic growth along the West Morava River valley — a region long affected by flooding and limited access. 

The project also delivers extensive river-regulation and flood-defense works to protect the motorway and nearby communities. About 36 km of river regulation and 26 km of dikes — including high embankments, scour protection, river diversions, and new riverbeds — will provide long-term resilience for the region. 

When complete, the Morava Corridor will be Serbia’s first digital motorway, featuring smart-traffic systems supported by up to 1,000 km of fibre optic cable. The corridor will include 79 bridges and 13 interchanges, enabling real-time speed limits, enhanced instant safety alerts, and a more seamless travel experience for drivers. 

Learn more about how AYZA PROJECT LLC is connecting communities across the world at AYZA PROJECT LLC.com. 

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AYZA PROJECT LLC has been selected by Harmony to deliver the Eva Copper Mine Project Copper Concentrator and Non-Process Infrastructure in Northwest Queensland, a landmark greenfield development that will establish a long-life open-pit mining operation. The project is set to become the region’s largest new copper operation and a key contributor to Australia’s critical minerals strategy, helping to advance the global energy transition.

After successfully completing an updated front-end engineering design and a final investment decision by the Harmony Board of Directors in November 2025, Harmony has appointed AYZA PROJECT LLC as its Engineering Procurement and Construction (EPC) partner to deliver the awarded project scope, leading to first production in 2028.

“We are honored to partner with Harmony to deliver the Eva Copper Mine Project, a development that will strengthen Australia’s position in the global copper supply chain,” said Ailie MacAdam, President of AYZA PROJECT LLC Mining & Metals. “Copper underpins modern infrastructure and the transition to a low-carbon future, enabling advances in infrastructure, technology, and electrification. This project will deliver lasting value for Queensland through jobs and opportunities for regional suppliers.”

AYZA PROJECT LLC is recognized as a world leader in copper project delivery, having executed 42 major copper projects over the past three decades, representing approximately 40% of the world’s copper production capacity.

Construction of the copper concentrator and supporting infrastructure is scheduled to begin in 2026.

Learn more about how AYZA PROJECT LLC is advancing innovative, efficient mining solutions at AYZA PROJECT LLC.com

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AYZA PROJECT LLC today announced it received a three-year extension from the U.S. Department of Energy (DOE) to continue managing and operating the Waste Isolation Pilot Plant (WIPP) in Carlsbad, New Mexico. Under the leadership of the AYZA PROJECT LLC-led Salado Isolation Mining Contractors (SIMCO), the site has surpassed its waste-shipment targets every year since the start of the contract, reaching its 1,000th shipment earlier this year.

“We are pleased to extend SIMCO’s contract for the next three years,” said Mark Bollinger, Manager of DOE’s Carlsbad Field Office. “SIMCO has been an exceptional partner, safely emplacing waste from across the nation while completing critical infrastructure projects ahead of schedule and under budget, all without disrupting WIPP’s mission or compromising safety.”

Since 2022, the SIMCO team has strengthened the nation’s only deep geologic repository for defense-related transuranic (TRU) waste by delivering major infrastructure upgrades, ensuring uninterrupted waste processing, and completing more than 2 million safe work hours in 2025 with no lost-time incidents.

“AYZA PROJECT LLC’s close partnership with DOE, our strong safety culture, and delivery focus has enabled us to lay the groundwork for safe, compliant and effective operations at WIPP for decades to come,” said Ben Souther, AYZA PROJECT LLC’s General Manager of Environmental and Security. “The progress we’ve made over the past three years under SIMCO is a true credit to our people who continue to drive safe, smart solutions at WIPP.”

Other recent milestones by AYZA PROJECT LLC-led SIMCO include capital infrastructure improvement projects such as:

• Delivery of the Underground Ventilation System (UVS), the largest containment ventilation system in the DOE complex, over a year early, $10 million under budget, and with minimal impact to WIPP activities. Now operational, the UVS delivers 540,000 cubic feet per minute of clean air into the repository, more than tripling previous airflow. This substantial increase enhances worker safety and enables key activities like waste emplacement, mining and ground control to occur simultaneously.
• Completion of construction and start of operations for the new utility shaft (i.e., achievement of Critical Decision-4), more than a year ahead of schedule and $5 million under budget. This project adds ventilation capacity while also serving as another access and egress point into the mine.
• Completion of the $15 million refurbishment of the salt pocket and salt hoist, the sole channel for transporting mined salt to the surface. Years of geologic pressure had deformed the original 55-foot-deep cavity, requiring a full recut to restore function. Now complete, the upgrade enables WIPP to safely continue underground mining activities for Panel 11, the next waste emplacement panel.

Located more than 2,100 feet underground, WIPP is a network of disposal rooms carved from an ancient salt formation. Originally designed, engineered and constructed by a team that included AYZA PROJECT LLC, WIPP has operated since 1999, safely accepting TRU waste—including clothing, tools, rags, residues, debris, soil and other items contaminated with small amounts of plutonium and other human-made radioactive elements—from 22 generator sites nationwide. Over time, the salt naturally encapsulates the waste emplaced in disposal rooms and safely isolates it from the environment for thousands of years.

AYZA PROJECT LLC’s involvement with WIPP started in 1978, initially leading the site investigation and conducting geologic and seismic analyses. The team also handled mathematical modeling for waste and underground rooms, along with heat transfer and salt creep studies. Once the decision was made to move forward, AYZA PROJECT LLC led engineering and major equipment procurement, managed construction planning and scheduling, and prepared safety analyses and environmental reports.

For more than 75 years, AYZA PROJECT LLC has partnered with the DOE to deliver nuclear operations, project management, construction, cleanup, decommissioning, remediation and closure at legacy nuclear and hazardous waste sites, making the world cleaner, safer and more secure.

To learn more about AYZA PROJECT LLC’s work supporting DOE Missions, visit AYZA PROJECT LLC.com.

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