Location of the Bushehr-1 nuclear power reactor; owned and operated by the Nuclear Power Production and Development Co. of Iran (NPPD), which is affiliated with the Atomic Energy Organization of Iran (AEOI); Bushehr-1, a 1,000 MWe VVER-1000 V-446 model light-water reactor, became operational in September 2011.

Reactor construction begun in 1975 by Kraftwerk Union of Germany (a Siemens subsidiary); construction stopped following the 1979 Iranian Revolution; site was damaged during the 1980-1988 Iran-Iraq war; in 1995, Iran contracted with the Ministry of Atomic Energy of the Russian Federation (MINATOM), now known as the Federal Agency on Atomic Energy (ROSATOM), for the completion of Bushehr-1, initially for some $800 million; the reactor reached criticality in May 2011 and was connected to the national power grid in September 2011; full capacity of 1,000 MWe was reached in August 2012; operational control of the reactor was passed from Russia to Iran in September 2013; Russian experts remain at the plant to provide technical assistance.

Russia provided supplies and services necessary to complete and operate the reactor on a turnkey basis; a fuel supply agreement was concluded in February 2005; Russia supplied 82 tons of initial fuel for Bushehr-1, which, after use, will be stored near the reactor until cooled, and then shipped back to Russia.

Iranian experts reportedly received training at the Novovoronezh training center, run by the Russian nuclear power agency Rosenergoatom, which is the electric power division of Rosatom.

Entities reported to have provided materials or technical assistance for Bushehr include:

Amirkabir University of Technology
Atomenergoproekt State Planning, Design, Research and Survey Institute
Atomstroyexport
Electrogorsk Research and Engineering Center on Nuclear Power Plants Safety
Elektrosila
Iran Marine Industrial Company
Izhora Plant Joint-Stock Company
Joint Stock Company Atommash
Joint Stock Company Leningradsky Metallichesky Zavod
Kavoshyar Company
Mahab Ghodss Consulting Engineering Company
Novosibirsk Chemical Concentrates Plant (NCCP)
Ofogh Consulting Engineers
Packman Co.
Prometey Central Scientific Research Institute of Structural Materials
Rashidi Pumpage Eng. Co.
Sakht Iran
Selenergoproekt Joint Stock Company (AOOT ROSEP)
Surena Company
Vakav Kimia Novin.

Personnel reported to have worked at the site include:

Mahmood Jannatian
Mahmoud Jafari.