Compare · Reactors & SMRs
Chooz B-2 vs Oskarshamn-3
RANKED BY NET ELECTRICAL OUTPUT OF ONE CURRENTLY OPERATIONAL REACTOR UNIT (MWE)
#5 VS #8
CHECKED 06 SEPT 2026
Side by side
Verdict
Chooz B-2 ranks #5 of 10 on Net electrical output of one currently operational reactor unit (MWe) (1,500 MWe); Oskarshamn-3 ranks #8 (1,400 MWe).
Rank 05 of 10 · leads
Net electrical output of one currently operational reactor unit (MWe)
1,500 MWe
MakerEDF (N4)
Date1997
Verified04 Sept 2026
Evidence
IAEA PRIS Reactor Details, CHOOZ B-2, Operational, model N4 REP 1450: Reference Unit Power 1500 MWe, Design Net 1455, Gross 1560, Thermal 4270 MWt. First grid 10 Apr 1997. Page last update 2026-05-28. Twin unit Chooz B-1 is the same palier; its live detail page did not render here so only B-2 is ranked from the live PRIS sheet.Rank 08 of 10
Net electrical output of one currently operational reactor unit (MWe)
1,400 MWe
MakerOKG (BWR-3000)
Date1985
Verified04 Sept 2026
Evidence
IAEA PRIS Reactor Details, OSKARSHAMN-3, Operational: Reference Unit Power 1400 MWe, Design Net 1050 (original), Gross 1450, Thermal 3900 MWt. Uprated to 1400 MWe around 2010; 2024 and 2025 operating-history rows still carry 1400 MW. First grid 3 Mar 1985.Try another pair
Source IAEA PRIS reactor-detail and country pages; EDF Flamanville 3 operator page
Last checked 06 Sept 2026