Aktau
Reactor Data
Reactor Units
Every power reactor at this site as listed in the IAEA Power Reactor Information System (PRIS): reactor type and model, net electrical capacity, grid connection and commercial operation dates, and current status.
1 unit: 1 permanent shutdown.
| Unit | Type | Model | Net MWe | Construction | Grid | Commercial Op | Shutdown | Status |
|---|---|---|---|---|---|---|---|---|
| Aktau | FBR | BN-350 | 52 | 1964-10-01 | 1973-07-16 | 1973-07-16 | 1999-04-22 | Permanent Shutdown |
Capacity, milestones and suppliers
| Unit | Design MWe | Gross MWe | Thermal MWt | First Criticality | Reactor Supplier | Turbine Supplier | Notes |
|---|---|---|---|---|---|---|---|
| Aktau | 135 | 90 | 1,000 | 1972-11-01 | MAEC-Kazatomprom Limited liability partnership «Mangistau atomic energy complex-Kazatomprom» | MAEC-Kazatomprom Limited liability partnership «Mangistau atomic energy complex-Kazatomprom» |
Lifetime performance, through 2025
| Unit | Electricity Supplied | Load Factor | Energy Availability | Operating Factor |
|---|---|---|---|---|
| Aktau | 1.9 TWh | 43.5% | 59.0% | 50.1% |
Operator: Limited liability partnership «Mangistau atomic energy complex-Kazatomprom»
Owner: Ministry of Energy of the Republic of Kazakhstan
Source: IAEA Power Reactor Information System (PRIS), as of 2026-11-02.
Working Here
Per Diem Rates FY 2026
Per diem covers lodging and meals & incidental expenses (M&IE) for government and contractor travel near this facility. Rates are from the U.S. State Department foreign per diem tables for FY 2026.
$213
Lodging/Night
$93
M&IE/Day
$306
Total/Day
Aktau, Kazakhstan
U.S. Department of State foreign per diem, for U.S. government and contractor travel.
Photos
Photos of this facility from the NukeWorker photo gallery. Click the header or any photo to browse the full album.
Facility Map
Interactive satellite map showing the facility's geographic location. Marker color indicates current status: green for online, red for offline, orange for reduced power. Click the header to open in Google Maps satellite view.
43.6066, 51.2833
Location & Contact
Physical address, phone number, and website for this facility. Use the directions link to get driving directions via Google Maps.
Plant Facts
About This Site
Written by NukeWorker from public records: facts that do not change. Operator, status and capacity come from the live data elsewhere on this page. Sources: Wikipedia: BN-350; IAEA PRIS: Kazakhstan.
The Aktau site, also known as the Mangyshlak nuclear power plant, stands on the Caspian Sea shore at Aktau (called Shevchenko in the Soviet period) in the Mangystau Region of Kazakhstan. It was a sodium-cooled fast breeder reactor known as BN-350.
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Construction began in 1964. The reactor was connected to the grid on July 16, 1973. Besides generating electricity, it supplied heat for desalinating Caspian seawater for the city and industry. The reactor was permanently shut down on April 22, 1999.