Compare · Reactors & SMRs
Olkiluoto-3 vs Chooz B-2
RANKED BY NET ELECTRICAL OUTPUT OF ONE CURRENTLY OPERATIONAL REACTOR UNIT (MWE)
#4 VS #5
CHECKED 06 SEPT 2026
Side by side
Verdict
Olkiluoto-3 ranks #4 of 10 on Net electrical output of one currently operational reactor unit (MWe) (1,575 MWe); Chooz B-2 ranks #5 (1,500 MWe).
Rank 04 of 10 · leads
Net electrical output of one currently operational reactor unit (MWe)
1,575 MWe
MakerTVO (EPR)
Date2022
Verified04 Sept 2026
Evidence
IAEA PRIS Finland country table: OLKILUOTO-3 Operational, Reference Unit Power 1575 MW, Gross 1660 MW, first grid 2022-03-12. TVO technical page states net electrical power as approx. 1600 MW. Rank uses the PRIS reference net, not TVO's rounded approx.Rank 05 of 10
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.Try another pair
Source IAEA PRIS reactor-detail and country pages; EDF Flamanville 3 operator page
Last checked 06 Sept 2026