Nuclear Lifecycle
From next generation systems for a climate-resilient future to managing complex decommissioning, site closure, radioactive waste and remediation efforts, we're helping solve the world’s most complex nuclear challenges safely and effectively.

As the world strives to deliver a more sustainable, equitable society and protect our natural environment, the shift to cleaner energy requires rapid and far-reaching changes across industries, governments and communities, while addressing the impact that legacy nuclear weapon development had on the environment, and assisting in returning land back to its natural state.
Nuclear offers a clean, reliable energy source, and its advancing technology is also powering a range of other uses from space exploration to desalination plants for potable water. We deliver safe, innovative solutions for high-risk, technically complex nuclear projects worldwide.
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60 +
years of experience across the nuclear asset lifecycle
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# 1
in nuclear waste (Engineering News-Record)
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50 +
years supporting the U.K.’s nuclear power fleet
We support clients with strategic advice, program and project management, siting and environmental assessment, regulatory compliance, full lifecycle design and engineering. We also help with remote handling and robotics, testing and rigs, construction and commissioning, field services and maintenance. By combining engineering and technical excellence with innovation, research and development, we’re helping clients solve the world’s most complex nuclear challenges safely and effectively.
Nuclear decommissioning & cleanup

Jacobs brings decades of experience to decommissioning and cleanup, drawn from our work at the world’s most challenging nuclear sites including Fukushima, Chernobyl and Hanford.
Given the nature of nuclear facilities, these legacy assets can't simply be switched off, demolished and removed.  We tackle our client’s biggest challenges and help transform contaminated sites into safe places for the environment and communities to thrive. We help asset owners manage the cultural and mindset shifts required to move from operations to decommissioning. We employ practical, technically and commercially innovative strategies to address the decontamination, dismantling, deactivation and demolition of high-hazard plants and sites.Â
Safety case management, environmental and radiological consultancy, and health physics support go hand in hand with our core engineering capabilities, ensuring an unrelenting safety ethos. We apply strategies to minimize waste volumes requiring final disposal and we implement innovative decommissioning and decontamination processes for U.K. clients including Sellafield Ltd, Magnox Ltd and Dounreay Site Restoration Ltd. As a Tier 1 service provider to the U.S. Department of Energy and Atomic Energy of Canada Limited, we deliver safe and innovative solutions at complex nuclear cleanup and production sites, including the Idaho Cleanup Project, Rocky Flats Closure and West Valley Decommissioning, just to name a few.
Nuclear fusion

Jacobs is a leader in reactor technology, conceptual design and engineering relating to new nuclear technologies including Generation IV reactors, fusion and small modular reactors (SMRs). We have a decades-long involvement in ITER, the world’s largest nuclear fusion project, where our work ranges from designing prototypes for key components to complex remote handling systems essential for reactor operations.
Our work on advanced modular and compact reactors includes designing the reactor cores and containment, steam generators, control and instrumentation, refueling systems and materials and chemistry. We have also drawn up policies for waste management, environmental management, licensing and decommissioning.
We’re leading the U.K.’s Nuclear Virtual Engineering Capability project, a government-funded research program focusing on the use of virtual engineering and high-performance computing to enhance the techniques used to design reactors and optimize their performance.
Nuclear power

With increasing climate change challenges, the shift to clean energy growth and the need to cut emissions to “net zero,” it’s time to think differently about tomorrow. We're working with clients around the world on their nuclear new build programs – helping them provide a secure, low-carbon, large-scale energy supply for the future.
We’re part of a U.K. consortium developing a new type of smart, compact, modular nuclear power plant; and we’re a major contributor to ITER, the world’s largest fusion project based in Provence, France. We helped design the first and second generation of the U.K.’s nuclear power plants (NPP). We’re providing diverse capability for current new build programs including EDF’s Hinkley Point C in the U.K. and the Emirates Nuclear Energy Corporation’s (ENEC) Barakah NPP program in Abu Dhabi.
Drawing on our extensive engineering design and construction management capabilities, and our global licensing, environmental and site hazard evaluation knowledge, our work with commercial and governmental clients has helped advance their civil nuclear new build programs.
Operational support

Nuclear power is one of the most regulated industries, demanding the highest standards in safety, security and environmental management.
We help our clients interpret regulations, investigate practical environmental options and implement benchmarking. Our bold thinkers challenge and innovate across diverse projects to improve operational performance and extend the life of nuclear power plants.
With our comprehensive knowledge of reactor technology, regulatory requirements and the management of aging plants, we bring a thoughtful and collaborative approach to support programs – finding new ways to deliver plant life extension and tackle emerging challenges.
When fleet critical issues arise for reactor operators, we have the capability to diagnose the problem accurately, conceptualize the solution, design and manufacture the necessary equipment, and then deploy a team to plan and implement major engineering change.
Research, analytics & technology

From conceptual design and optimization of new nuclear technologies like Generation IV and small modular reactors to tackling complex analytical challenges in and outside the laboratory, we’re making the impossible, possible.
Our research and laboratory team by the numbers
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20 +
separate laboratories in our operational facility
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10 K+
samples analyzed per year from clients such as CERN, EDF Energy, and Sellafield Ltd.
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100 +
technicians, graduate scientists and PhD -level specialists
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Radiation protection
From X-ray systems to regulatory compliance support, we provide a full-range of radiation protection services.
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Leak sealing service
Initially developed to repair pressure vessel cooling water pipes at nuclear plants in the U.K., Jacobs’ leak sealing service has been successfully used worldwide in power stations, research facilities, nuclear fusion experiments, particle accelerators, heat exchangers, water treatment plants and other facilities.
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Submersible technology
Applying a mix of appropriate technologies to tackle a complex challenge, we’ve made radiation monitoring of storage ponds safer and more accurate by using specially adapted remotely operated vehicles (ROVs).
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Radiochemical analysis
We operate one of the U.K.'s largest independent radiochemistry laboratory facilities, accredited by the United Kingdom Accreditation Service (UKAS) (no.1011) for a diverse range of analyses and matrices.
Our technology & software solutions
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SIAL technology
SIAL® technology, developed by Jacobs, allows on-site, room temperature conditioning of various standard and problematic radioactive waste streams including resins, sludge, liquid or crystalline borates, oils, other organic liquids, concentrates and ashes.
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ANSWERS software service
Our ANSWERS® Software Service provides software and consultancy services for customers world-wide in the areas of reactor physics, radiation shielding, dosimetry, nuclear criticality, well logging and nuclear data.
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ConnectFlow software
Our ConnectFlow® software offers industry-leading capabilities in the representation of fractured rock hydrogeology and hydro-geochemistry.
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Showcase
Nuclear Power Plant Life Extension, EDF
Our team of project management and technical professionals support the delivery of asset improvement works across all the U.K. fleet, as well as working collaboratively with client teams on the delivery of large and multi-site projects and programs.
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Showcase
Sellafield Ltd, Cumbria, U.K.
A pioneer for the U.K.’s nuclear industry, Sellafield supported national defense, generated electricity for nearly half a century and developed the ability to safely manage nuclear waste – delivering great benefit, while also creating a complex nuclear cleanup challenge for which there aren’t any blueprints. We’ve worked for more than 40 years to guide Sellafield’s safe decommissioning, waste management and environmental remediation.
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Showcase
Support to Hinkley Point C, Somerset, U.K.
EDF is building two U.K.-EPR reactors at Hinkley Point C, a 3,200 MWe power station in Somerset that will meet approximately 7% of the U.K.’s electricity needs. Now under construction, this is the first new nuclear power station to be built in the U.K. for over 20 years and is scheduled to begin operating in 2025.
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Showcase
ITER, France
ITER aims to be the first nuclear fusion reactor to produce more energy than is required to power its plasma. If it can overcome some immense technical challenges, it’s no exaggeration to say that its success will change the world.
Energy & environment
Responding to global challenges driven by climate change, urbanization, resource scarcity, digital proliferation and energy security, including the global energy diversification and transition efforts by both public and private sector clients in response to the shift from fossil fuel to clean and renewable energy sources.Â
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News
Jacobs Wins Two Czech Republic Nuclear Contracts
Jacobs has won two new contracts to support the Czech nuclear sector with radioactive waste management services.
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Podcasts
Nuclear Fusion: The Power of the Future
In this episode of If/When, we’re talking about nuclear fusion with CEO of UK Atomic Energy Authority Ian Chapman and Jacobs Critical Mission Solutions International Senior Vice President Clive White.
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News
Jacobs Awarded Contract Extension to Support UK's Nuclear Power Plants
Jacobs was awarded an extension to its Project Management Resources (PMR) contract with EDF Nuclear Generation, operator of the U.K.'s nuclear power plants. The Jacobs team will continue to support the stations, which account for about 17% of the country's electricity output.
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News
Jacobs Selected to Support South Africa Nuclear Power Plant Life Extension Program
Jacobs was selected to carry out essential engineering modifications as part of a $1.2 billion (ZAR 20 billion) program to extend the operating life of the Koeberg Nuclear Power Plant near Cape Town, South Africa. Koeberg is South Africa's sole nuclear power plant and generates 5% of the country's electricity.
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Podcasts
Balancing Energy Needs and Environmental Concerns via Nuclear Power
In this episode of Inflection Points, our guest Colin Jones of Jacobs North American Nuclear Group discusses the development of nuclear energy in the United States, the clean up of old nuclear contamination sites, the challenges and importance of remediation projects, and the future demand of nuclear energy worldwide.
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News
Jacobs to Design Key Safety Feature for ITER Fusion Project
Jacobs was selected to design and deliver the First Plasma Radiological Environmental Monitoring System (REMS), a key safety system for ITER, the world's largest fusion energy experiment.