Kuebi, AKW Biblis 05, zugeschnitten von BMUB, CC BY-SA 3.0


Unit B Biblis nuclear power plant in Hesse is operated by RWE Nuclear GmbH. Commercial operation began in 1977. Authorisation for power operation in accordance with the German Atomic Energy Act (AtG) expired on 6 August 2011. The first licence for decommissioning and dismantling was granted according to § 7 para. 3 AtG on 30 March 2017. 


General information

Federal stateHesse
Type (construction line)Pressurised water reactor
Current operatorRWE Nuclear GmbH
ManufacturerSiemens, KWU, Hochtief 
OwnerRWE Nuclear GmbH

Operational data

Application date3 May 1971
Start of constructionFollowing first partial licence of 6 April 1972
First criticality25 March 1976
First grid synchronisation25 April 1976
Start of commercial operation31 January 1977
Shutdown date18 March 2011
Expiry of authorisation for power operation in accordance with the German Atomic Energy Act (AtG)6 August 2011
First decommissioning and dismantling licence30 March 2017

Technical data

Thermal reactor power3.733 MW
Gross electric capacity1.300 MW
Net electric capacity1.240
Number of reactor coolant pumps4
Number of control elements61
Type of cooling systemRiver water cooling, forced draft wet cooling tower
All fuel removed from plantyes


Emission of radioactive substances (annual data)http://www.bfs.de/DE/mediathek/berichte/umweltradioaktivitaet/umweltradioaktivitaet_node.html
Authorisation documentshttps://umwelt.hessen.de/umwelt-natur/kernenergie-strahlenschutz/stilllegung-und-abbau-des-kernkraftwerkes-biblis 
(in German)
Current remote monitoring datahttps://www.hlnug.de/themen/strahlenschutz/ueberwachung-kerntechnischer-anlagen
(in German)
AuthorityHessian Ministry of the Environment, Climate Protection, Agriculture and Consumer Protection
Mainzer Straße 80
65189 Wiesbaden