Fermi 1

Fermi 1
Name	Fermi 1
Country	United States
Location	Monroe County, Michigan; near Lake Erie
Operator	Detroit Edison
Construction started	1956
Commissioned	1963 (initial)
Decommissioned	1972 (shutdown), 1975 (final)
Reactor type	Fast breeder reactor (sodium-cooled)
Reactor supplier	Argonne National Laboratory

Fermi 1 Fermi 1 was an experimental fast breeder reactor prototype sited near Detroit, Michigan, adjacent to Enrico Fermi's broader legacy in nuclear development and located near Toledo, Ohio and Monroe County, Michigan. The plant connected to regional infrastructure including DTE Energy predecessors, interacted with federal agencies such as the Atomic Energy Commission and later the Nuclear Regulatory Commission, and figured in debates involving figures and institutions like Eugene Wigner, Admiral Hyman Rickover, and Argonne National Laboratory.

Background and Design

The project emerged amid Cold War-era initiatives led by the United States Atomic Energy Commission and technical work at Argonne National Laboratory, influenced by earlier efforts at Oak Ridge National Laboratory, Los Alamos National Laboratory, and research by scientists including Enrico Fermi, Leó Szilárd, Edward Teller, and Eugene Wigner. Design choices drew on sodium-cooled fast reactor concepts tested in prototypes such as the EBR-I and EBR-II, and were informed by procurement and engineering practices used by contractors including General Electric, Westinghouse Electric Corporation, and Bechtel Corporation. The reactor aimed to demonstrate plutonium breeding and fuel cycle strategies championed by proponents like Seaborg, Glenn T. and debated in forums including panels of the International Atomic Energy Agency and congressional hearings involving the Joint Committee on Atomic Energy.

Construction and Commissioning

Construction began with contracts and siting reviews involving Detroit Edison and federal oversight from the Atomic Energy Commission, with input from consultants from Argonne National Laboratory and fabrication by vendors such as Babcock & Wilcox and Combustion Engineering. The project navigated regulatory milestones comparable to licensing processes later formalized by the Nuclear Regulatory Commission, and milestones echoed infrastructure programs like those at Hanford Site and Savannah River Site. Commissioning incorporated test programs developed alongside instrumentation from groups tied to Massachusetts Institute of Technology, University of Chicago, and California Institute of Technology researchers, with operational staff trained through exchanges with Idaho National Laboratory.

Operational History and Incidents

Operational history included power testing, sodium coolant management, and fuel handling operations reminiscent of incidents at facilities such as SL-1 and operational challenges reported at Windscale and Three Mile Island. A notable partial fuel-melting incident and blockage in 1966 prompted responses from Detroit Edison, the Atomic Energy Commission, and technical assessments by Argonne National Laboratory and laboratories including Los Alamos National Laboratory. Public scrutiny involved local officials from Monroe County, Michigan and media outlets in Detroit and Toledo, Ohio, and advocacy groups such as Friends of the Earth and activists referencing regulatory case law like rulings involving the Supreme Court of the United States. The reactor’s operational interruptions and eventual permanent shutdown were reported alongside contemporaneous policy shifts involving President Richard Nixon administration energy policy and congressional panels reviewing breeder technology.

Decontamination, Decommissioning, and Dismantlement

After shutdown, decontamination and decommissioning involved procedures similar to programs at Hanford Site, Rocky Flats Plant, and Shippingport Atomic Power Station, with contractors and federal oversight from the Department of Energy and technical input from Argonne National Laboratory and the Nuclear Regulatory Commission. Activities included sodium removal, radiological surveys by teams linked to Oak Ridge National Laboratory and Pacific Northwest National Laboratory, fuel disposition coordinated with Idaho National Laboratory protocols, and dismantlement logistics comparable to work overseen by firms like Bechtel Corporation and Fluor Corporation. Local stakeholders including Monroe County, Michigan officials, Michigan Public Service Commission, and civic groups participated in hearings paralleling environmental reviews used under statutes debated in Congress such as measures overseen by committees like the House Committee on Energy and Commerce.

Technical Specifications and Reactor Design

The plant was a pool-type, sodium-cooled, fast neutron reactor using mixed oxide fuel with design features studied at Argonne National Laboratory and drawing on metallurgy research from Carnegie Mellon University and fuel chemistry from University of California, Berkeley. Key components included a primary sodium loop, intermediate heat exchangers, and steam generators similar in principle to systems evaluated at EBR-II and engineering concepts advanced at General Electric and Westinghouse Electric Corporation. Instrumentation and control reflected approaches taught at Massachusetts Institute of Technology and implemented by contractors with links to General Dynamics and Northrop Grumman engineering practice. Thermal hydraulics, neutron flux mapping, and structural analyses referenced standards and computational methods developed in research groups at University of Michigan, Pennsylvania State University, and Princeton University.

Safety Analysis and Regulatory Response

Safety analyses conducted by Argonne National Laboratory, reviewed by the Atomic Energy Commission, and later by the Nuclear Regulatory Commission examined failure modes similar to those studied after accidents at Three Mile Island and SL-1, with attention to sodium-water reactions, passive cooling, and containment approaches comparable to designs at Shippingport Atomic Power Station and international facilities under scrutiny by the International Atomic Energy Agency. Regulatory outcomes influenced policy debates in the United States Congress, and technical findings informed standards later codified by bodies connected to American Nuclear Society and engineering guidance from American Society of Mechanical Engineers. Public and legal scrutiny involved municipal authorities in Monroe County, Michigan, state regulators such as the Michigan Public Service Commission, and advocacy groups including Friends of the Earth and Union of Concerned Scientists.

Category:Nuclear reactors in the United States Category:Decommissioned nuclear power stations Category:History of Michigan