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Monitoring · Fleet

The world's fleet, unit by unit

Three layers of coverage over the 440 reactors operating worldwide, one source of truth.

Live status

212

reactors with their own per-unit readings, from grid operators and regulators.

Outage notices

+96

more reactors, with planned and forced unavailability from ENTSO-E and national operators.

Official statements and news

440

every unit operating worldwide, from regulators, operators and World Nuclear News.

Right now

not at full power
48
MW net unavailable
36,630
of live-tracked capacity online
80.7 %
latest reading
Sep 06, 13:58

Per-unit readings come from ten primary sources — the NRC (United States), JAIF (Japan), IESO (Canada), Elexon BMRS (United Kingdom), CAMMESA (Argentina), KHNP (South Korea), Vattenfall (Sweden), ONS (Brazil), the Central Electricity Authority (India) and Rosenergoatom (Russia) — matched against the installed capacity in Reactor Atlas's dataset. Russia publishes the last reported movement per unit and India starts from an exceptions report, so a unit missing from that report is taken as operating.

France is followed through RTE eCO2mix and EDF press releases; the rest of the ENTSO-E zone, through the unavailability notices its operators file with the Transparency Platform.

Cadence depends on the source: minutes for CAMMESA, KHNP and Vattenfall; hourly for Elexon, IESO and ENTSO-E; a daily report for the NRC, ONS, the Central Electricity Authority and Rosenergoatom; JAIF publishes a new table monthly. This page recalculates every 15 minutes, and a unit missing from its source's latest report is shown as no data, never as operating.

By country

JP JapanJAIF · Current Status of Nuclear Power Plants in Japan

12,631 / 31,679 MW · 39.9 % online

Updates once a day.

RU RussiaRosenergoatom · Press room, unit notices

950 / 950 MW · 100 % online

33 units without a reported movement: Akademik Lomonosov 1, Akademik Lomonosov 2, Balakovo 1, Balakovo 2, Balakovo 3, Balakovo 4, Beloyarsk 3, Beloyarsk 4, Kalinin 2, Kalinin 3, Kalinin 4, Kola 1-1, Kola 1-2, Kola 1-3, Kola 1-4, Kursk 1-3, Kursk 1-4, Kursk 2-1, Leningrad 1-3, Leningrad 1-4, Leningrad 2-1, Leningrad 2-2, Novovoronezh 1-4, Novovoronezh 1-5, Novovoronezh 2-1, Novovoronezh 2-2, Rostov 1, Rostov 2, Rostov 3, Rostov 4, Smolensk 1-1, Smolensk 1-2, Smolensk 1-3

Updates once a day.

FR France

France is monitored at the grid level (RTE eCO2mix national nuclear output) and per plant (EDF press releases); no source publishes live per-unit status. Most recent detected movements:

  1. Sep 06, 03:15Sharp drop of 1,476 MW in French nuclear generation in 15 minutes (8:15 a.m. Paris time)
  2. Sep 05, 07:15A sudden drop of 701 MW in French nuclear generation in 15 minutes (12:15 p.m. Paris time)
  3. Sep 03, 02:30Sharp drop of 856 MW in French nuclear generation in 15 minutes (7:30 a.m. Paris time)
  4. Sep 01, 07:00Paluel 3: Reconnection to the power grid
  5. Sep 01, 07:00Blayais 2: Automatic reactor shutdown
  6. Sep 01, 05:15Sharp drop of 1,010 MW in French nuclear generation in 15 minutes (10:15 a.m. Paris time)
  7. Aug 29, 07:00Blayais 1: scheduled outage
  8. Aug 28, 07:00Cattenom 2: reconnection to the power grid
ES Spain

This country is tracked through outages reported to the ENTSO-E Transparency Platform (stops and output reductions), without a source confirming each unit's status between one notice and the next. Most recent detected movements:

  1. Sep 06, 08:00ASCO 1: unscheduled power reduction of 496 MW (50% of 996 MW) · ENTSO-E
  2. Sep 04, 08:40ASCO 1: unscheduled outage, 996 MW unavailable · ENTSO-E
  3. Sep 03, 11:00ASCO 1: unscheduled power reduction of 296 MW (30% of 996 MW) · ENTSO-E
  4. Sep 03, 09:00ASCO 1: unscheduled power reduction of 261 MW (26% of 996 MW) · ENTSO-E
  5. Sep 02, 13:37COFRENTES: unscheduled power reduction of 536 MW (50% of 1,064 MW) · ENTSO-E

No real-time coverage