Leibstadt is a 1,275MW nuclear reactor which is located within the premises of Leibstadt Nuclear Power Station. It is located in Aargau, Switzerland. According to GlobalData, who tracks and profiles over 170,000 power plants worldwide, the nuclear reactor is currently generating power and is in active status. The construction on the reactor commenced in Jan, 1974. The first power from the reactor was achieved in May, 1984. Subsequent to trial runs the reactor finally entered into commercial operation in Dec, 1984. Buy the profile here.


Leibstadt is a Generation II nuclear reactor developed by ABB and General Electric Technical Services, are the main contractors for the project.

The 1,275MW reactor is operated by Kernkraftwerk Leibstadt. Alpiq Holding, Axpo Power, Axpo Solutions, BKW Energie, Centralschweizerische Kraftwerke and AEW Energie are currently owning the project having ownership stake of 27.4%, 22.8%, 16.3%, 14.5%, 13.6% and 5.4% respectively.

The BWR reactor generates 4,851.9GWh/annum of electricity. It features 648 fuel assemblies in the core of reactor, the place where fission occurs and energy is released. Safety contol rods that are used to control the fission rate in the reactor are 8 in number.

Development status

The reactor construction commenced in Jan, 1974 and subsequently entered into commercial operation in Dec, 1984.

Contractors involved

GE Power was selected as the steam turbine supplier for the nuclear reactor. The company provided 1 steam turbine for the project. ABB and Poyry Schweiz were selected as the architect engineers for the reactor. The reactor system was supplied by GE Power. The reactor vessel have been supplied by Sulzer Ltd and Rotterdamsche Droogdok Mij (RDM). The material used for the construction of the vessel is Alloyed Steel (SA 533 B/SA 508 Cl 2). The civil works were carried out by ABB Ltd and Poyry Schweiz.

For more details on Leibstadt, buy the profile here.

About ABB

ABB Ltd (ABB) is a provider of electrification and automation technologies and solutions. The company' offers products, systems, solutions and services related to electrification products, motion and industrial automation. Its solutions integrate engineering expertise and software; and its offerings harness power reliability, increase industrial productivity and enhance energy efficiency. ABB sells its products through direct sales force and third-party channel partners such as distributors, installers, wholesalers, machine builders and OEMs and system integrators. The company provides digitally connected and enabled industrial equipment and systems to customers in utilities, industry, transport and infrastructure sectors in Asia, Americas, the Middle East, Africa and Europe. ABB is headquartered in Zurich, Switzerland.

This content was updated on 20 July 2023

Premium Insights


The gold standard of business intelligence.

Blending expert knowledge with cutting-edge technology, GlobalData’s unrivalled proprietary data will enable you to decode what’s happening in your market. You can make better informed decisions and gain a future-proof advantage over your competitors.


GlobalData, the leading provider of industry intelligence, provided the underlying research used to produce this article.

This information is drawn from GlobalData’s Power Intelligence Center, which provides detailed profiles of over 170,000 active, planned and under construction power plants worldwide from announcement through to operation across all technologies and countries worldwide.