Reactor Atlas
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Monitoring · Outages

Outage calendar

Planned and extended outages with a known window — start and expected return —, for the next 12 months plus the last 3.

Forward windows come today from Elexon REMIT (Great Britain) and the announced start of the other real-time sources. Other countries appear as their sources publish windows.

in progress now

17

announced · next 90 days

0

MW affected now

13,556
All countriesFinland FinlandFrance FranceSlovakia SlovakiaSweden SwedenUnited Kingdom United Kingdom
All monthsJune 2026July 2026August 2026September 2026

SK Slovakia

September 2026

PlantStartExpected returnDaysSourceStatus
Bohunice3Sep 04, 2026Sep 08, 20263 daysentsoe-unavailability In progress

SE Sweden

September 2026

PlantStartExpected returnDaysSourceStatus
Forsmark1Sep 04, 2026Nov 17, 202674 daysentsoe-unavailability In progress

GB United Kingdom

September 2026

PlantStartExpected returnDaysSourceStatus
HartlepoolA2Sep 01, 2026Sep 13, 202612 daysNuclear · Reino Unido Extended
HeyshamA1Sep 02, 2026Sep 02, 2026Returned to service: Sep 02, 20260 daysNuclear · Reino Unido Finished
HartlepoolA2Sep 02, 2026Oct 04, 202632 daysNuclear · Reino Unido In progress
HartlepoolA2Sep 02, 2026Oct 04, 202632 daysNuclear · Reino Unido Extended
HeyshamA1Sep 02, 2026Sep 27, 2026Returned to service: Sep 02, 202626 daysNuclear · Reino Unido Finished
HeyshamB2Sep 03, 2026Nov 24, 202683 daysNuclear · Reino Unido In progress
HartlepoolA1Sep 03, 2026Sep 11, 20268 daysNuclear · Reino Unido Extended