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The ATMEA1 Reactor Proven Technology The ATMEA1 reactor has been designed hand-in-hand with utilities to best meet Main Features of the ATMEA1 Reactor The ATMEA company is a joint venture between France’s AREVA and Japan’s their requirements. With a proven design with evolutionary features that has been Mitsubishi Heavy Industries (MHI). It combines the unrivaled experience positively assessed by both the French and Canadian nuclear safety authorities, and competences of two world nuclear leaders and has leveraged these to a secured supply chain, and benefitting from the unrivaled experience of both Thermal output 3,300 MWth AREVA and MHI, the ATMEA1 reactor develop a Gen III medium-sized PWR, the ATMEA1 reactor. will lead to successful achivements Electrical output 1,150 – 1,200 MWe (Net) of your project. Thermal efficiency ~37% Plant availability 92% Fuel flexibility 12 to 24-month operation cycle length Available for 0 – 100% MOX loading Load follow operation 100% – 25% (1% – 3% per minute), including automatic frequency control, instantaneous return to full power capability, and effluent reduction by variable Straightforward Licensing Process temperature control We offer fully comprehensive solutions ranging from support insecuring financing for projects Design plant life 60 years to support in human capacity building and training, from nuclear fuel supply to used fuel The ATMEA1 reactor meets international regulatory requirements, and codes and standards. management options, from reactor design to construction, from commissioning to support with It benefits from AREVA and MHI vast experience in licensing reactors and nuclear facilities Primary system 3-loop configuration maintenance and operations over the entire plant life including decommissioning. across the world with its proven operational reactors. Its design builds on licensed and validated technologies and components that have been running and tested. Safety system 3-train, reliable active system with advanced accumulators We have access to a more than 40-year worldwide PWR experience as AREVA and MHI: Have built over 130 reactors Severe accident mitigation Core catcher and hydrogen recombiners ensure the Smooth Project Execution long-term integrity of the containment Are servicing more than 350 reactors The ATMEA1 reactor brings high confidence to utilities with regard to project execution. Provisions for airplane crash Safety related buildings protected against Have acquired a solid experience in Gen III design, commercial airplane crash through reinforcement licensing and construction with the EPR reactor • Secured design: standard reactor design completed and easily adoptable to site conditions. or physical separation • Secured manufacturing: evolutionary design using tested and running equipment, for which the size, With the backing of the French and Japanese governments, we are a true partner in any nuclear Seismic condition Available for high seismic area weight, material and method of manufacturing are already known. power plant project and are here to provide support in the long run. • Secured schedule: applied advanced construction techniques and lessons learned from previous AREVA Regulation compliance Worldwide including US, Europe, Japan and MHI construction experience across the world. Driven by Safety, • Secured supply chain: the ATMEA1 reactor projects will benefit from the AREVA and MHI global supply chain. Furthermore, there will be major opportunities for local industry, leveraging successful AREVA and MHI Based on Experience, localization experience. Powered by Performance: High Confidence for Operation and Maintenance ” The Solution for Your Project ” From a very early stage the design of the ATMEA1 reactor takes utility requirements into account. The ATMEA1 reactor is based on a design leveraging some nearly 10,000 reactor years of PWR Civaux nuclear power plant, France Ohi nuclear power plant, Japan experience across the world with a number of additional features for enhanced safety and Photo courtesy of AREVA Photo courtesy of Kansai Electric Power Co., Inc performance. It gives utilities access to a worldwide PWR operator network to share lessons learned and provide support. Furthermore, parent companies AREVA and MHI are world leaders in providing support for reactor Tour AREVA – 1, place Jean Millier – 92400 Courbevoie – France operation and maintenance, capable of addressing any requirements utilities may have. www.atmea-sas.com © ATMEA – Conception: In et Out Concept – © Photos: AREVA, ATMEA, Image & Process, Kansai Electric Power Co. Inc, MHI. – January Kansai Electric Power & Process, 2017 Image ATMEA, AREVA, – © Photos: Out Concept In et – Conception: © ATMEA Highest Level of Safety Competitive Power Generation Safety is an absolute priority in the ATMEA1 reactor design. The highest level of safety is achieved through powerful active systems, The ATMEA1 Reactor: The reliable, medium-sized ATMEA1 reactor uses the latest evolutionary reactor technology with all systems proven and operating with passive systems called upon only for specific actions if robust and proven efficient. for decades in PWRs around the world. The design is based on improvements in all levels of defense-in-depth. There is an optimized balance between system diversity and redundancy and Designed for Safety and a Lifetime of Reliable It offers high economic and operational performance for a lifetime of stable electricity generation costs. severe accident management systems have been validated using a deterministic approach for beyond design situations to ensure that the plant Electricity Generation at a Competitive Cost. remains safe and under control. Emergency diesel generators Welding in the water storage pool Advanced accumulator Core catcher Heavy neutron reflector Reactor fuel loading Outage operations Advanced engineering 1 Steam generator 2 Reactor pressure 3 High-performance 4 Control room with allowing a 37% thermal vessel designed for a reactor coolant pump advanced digital efficiency 60-year lifetime for improved efficiency I&C systems PROTECT COOL CONFINE COST EFFECTIVE OPERATOR-FRIENDLY FLEXIBLE Resistance to External Hazards Cooling Capabilities Containment Integrity High Economic Performance Easy, Smooth and Safe Operation Flexible to Meet Operator Needs and Maintenance The ATMEA1 reactor is, by design, protected The ATMEA1 reactor boasts a number of In the very unlikely event of a severe accident, A 60-year operating life with no costly Flexible operation and maintenance against external hazards. systems and water reserves to ensure that the ATMEA1 reactor boasts a number of features replacement of heavy components Human factors engineering cooling capacity is always operational. to ensure that the accident remains confined • Flexible fuel management: 12 to 24-month fuel • Built-in heavy neutron reflector protecting cycle, allowing the operator to plan outages High level of seismic activity within the plant. • Inspection and operation activities considered the reactor vessel. at the design stage for plant layout. while always benefitting from low fuel costs • Earthquake-resistant civil design based on Diversified and redundant cooling systems per MWh. Depressurization valves, provisions against • Use of specially selected material to prevent stress Japanese experience. • 3 x 100% trains, each capable of bringing the steam explosion, passive autocatalytic corrosion cracking. Improved protection and safety of workers • Extended load-follow and frequency control • Proven and reliable equipment resistant to a very reactor to safe shutdown on its own, and designed capabilities. to maintain cold shutdown conditions. hydrogen recombiners, a core catcher and • Lowest occupational exposure in line with the high level of seismic activity. Plant availability of 92% the containment design itself prevent 1 most stringent requirements. • One diversified train to ensure cooling, electricity Adaptation to site and grid conditions internal explosions. • Reduced outage costs thanks to on power Flooding supply and accident management in extreme 2 maintenance and flexible outage schedules. circumstances. The ATMEA1 reactor technology is an • 1,150 – 1,200 MWe (net) reactor, designed for • Platform elevation and dry-site concept prevent The leaktight containment, dedicated heat evolution of well-known PWR technology 50 or 60 Hz and to cope with degraded grid 4 • Reliable design, systems and equipment ensure plant flooding. removal systems and core catcher prevent 3 concepts and procedures conditions. Over 30 days of autonomous cooling and the release of radioactive materials outside stable, uninterrupted production. • Additional margins as electrical and I&C electricity of the reactor. • Operation, maintenance and accident • Suitable for diverse cooling sources, various equipment is located in upper floors and all Thermal efficiency of 37% management are made easier and the risk ambient and seismic conditions. safety-related buildings are protected by water- • Multiple large onsite water reserves and a second of human error is reduced. tight walls and doors. fully protected diversified Ultimate Heat Sink. • State-of-the-art steam generator allowing an unrivaled thermal efficiency of 37%. • 4 safety classified Emergency Power Sources Advanced digital I&C systems Malevolent acts including a commercial backed-up by an additional diversified AC airplane crash generator. Flexible response to accident conditions Reduced operation and maintenance costs • Installed in or selected for
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