S8z11 at the German language Wikipedia, KKI 2, zugeschnitten von BMUB, CC BY-SA 3.0


Isar 2 nuclear power plant in Bavaria is operated by PreussenElektra GmbH. Commercial operation began in 1988.


General information

Federal stateBavaria
Type (construction line)Pressurised water reactor (Convoy)
Current operatorPreussenElektra GmbH 
OwnerPreussenElektra GmbH, Stadtwerke München 

Operational data

Application date13 February 1979
Start of construction15 September 1982
First criticality15 January 1988
First grid synchronisation22 January 1988
Start of commercial operation9 April 1988
Expiry of authorisation for power operation in accordance with the German Atomic Energy Act (AtG)31 December 2022

Technical data

Thermal reactor power3,950 MW
Gross electric capacity1,485 MW
Net electric capacity1,410 MW
Number of reactor coolant pumps4
Number and mass of fuel elements193, total fuel mass excluding structural material approx. 103 t
Composition of the nuclear fuelUO2/PuO2 (uranium dioxide, uranium-plutonium MOX)
Number of control elements61
Type of cooling systemWater cooling tower


Emission of radioactive substances (annual data)Jahresberichte beim Bayerischen Landesamt für Umwelt
(in German)

Informationen beim Bundesamt für Strahlenschutz
Reportable eventsListe meldepflichtiger Ereignisse des Bayerischen Staatsministeriums für Umwelt und Verbraucherschutz
(in German)
Current remote monitoring dataMessdaten des Bayerischen Landesamtes für Umwelt
(in German)
AuthorityBavarian State Ministry of the Environment and Consumer Protection, Dept. 8 (nuclear power, radiation protection, decommissioning)
Rosenkavalierplatz 2
81925 Munich
 Tel.: +49 89 9214-00
Fax: +49 89 9214 2266