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Großwelzheim Nuclear Power Plant, (), was an experimental 
After the decommissioning in 1983, the plant was used for reactor safety tests until dismantling was completed in 1998.Karlsruhe Institute of Technology
Lexikon zur Kernenergie, Stichwort "HDR"
(PDF; 7,6 MB), Accessed January 1, 2018 The site also included the
nuclear power plant
A nuclear power plant (NPP), also known as a nuclear power station (NPS), nuclear generating station (NGS) or atomic power station (APS) is a thermal power station in which the heat source is a nuclear reactor. As is typical of thermal power st ...
consisting of one 25 MW reactor in Großwelzheim, a district of Karlstein am Main
Karlstein am Main (officially ''Karlstein a. Main'') is a municipality in the Aschaffenburg (district), Aschaffenburg district in the ''Regierungsbezirk'' of Lower Franconia (''Unterfranken'') in Bavaria, Germany. It is the westernmost settlement ...
.
The prototype boiling water reactor
A boiling water reactor (BWR) is a type of nuclear reactor used for the generation of electrical power. It is the second most common type of electricity-generating nuclear reactor after the pressurized water reactor (PWR).
BWR are thermal neutro ...
, designed to produce superheated steam was under construction from 1965 to 1969, and was first connected to the power grid on October 14, 1969. The reactor could not be run at full capacity due to structural defects in the fuel elements. Because of this, the reactor was switched off about a year and a half later on April 20, 1971.
After the decommissioning in 1983, the plant was used for reactor safety tests until dismantling was completed in 1998.Karlsruhe Institute of TechnologyLexikon zur Kernenergie, Stichwort "HDR"
(PDF; 7,6 MB), Accessed January 1, 2018 The site also included the
Kahl Nuclear Power Plant
The Kahl plant was the first nuclear power plant ever to be built in Germany. It was located in Karlstein am Main and was an (at the time) experimental boiling water reactor. It was built by General Electric and supplied by Siemens. At the end ...
, the first nuclear reactor to be built in Germany, as well as the first to be shut down. This makes the site the first in Germany where two reactors have been dismantled.
When the community of Karlstein am Main
Karlstein am Main (officially ''Karlstein a. Main'') is a municipality in the Aschaffenburg (district), Aschaffenburg district in the ''Regierungsbezirk'' of Lower Franconia (''Unterfranken'') in Bavaria, Germany. It is the westernmost settlement ...
was created in 1975, an atomic symbol was included in the municipal coat of arms, due to the two reactors present in the newly formed town.
Reactors
Großwelzheim Nuclear Power Plant had one Reactor:References