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Atomic Power Station 1 Obninsk

Atomic Power Station 1 Obninsk, nuclear power plant in Russia, operated one graphite-moderated light water reactor between 1954 and 2002 and is now shut down.

It is Russia's oldest nuclear plant, operating since 1954.

Country
Russia
Units
1
Technology
LWGR
Net capacity
—
First grid connection
1954
Operator
Ministry Of Medium Machine Building Of The USSR (Minsredmash)
Owner
Ministry Of Medium Machine Building Of The USSR (Minsredmash)
Status
Shut down
Operating capacity
0 MWe
net electrical
Units
1
0 operating
First start-up
1954
Atomic Power Station 1 Obninsk
Photo: Wikimedia Commons · author and license

Units

UnitTypeModelStatusMWeMWtConstruction startGrid connectionClosureLoad factor
Atomic Power Station 1 ObninskGraphite-moderated light water (LWGR / RBMK)AM-1Shut down530Jan 1951Jun 1954Apr 2002—

Data: IAEA PRIS · Wikipedia · updated on Sep 17, 2026

Atomic Power Station 1 Obninsk, a 5 MWe LWGR (AM-1), started construction in 1951 and operated from 1954 to 2002.

Operator: Ministry Of Medium Machine Building Of The USSR (Minsredmash).

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