Reactors

Use NSI’s Reactor Selection Tool to understand how different reactors perform on key scaling criteria and find the one that fits your needs.

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Developer
Size
Type
Aalo-1

Aalo-1

DeveloperAalo Atomics
Country of OriginUnited States
SizeMicro
TypeSodium-Cooled Thermal Reactor
ACP100S

ACP100S

DeveloperChina National Nuclear Company (CNNC)
Country of OriginChina
SizeSmall
TypePressurized Water Reactor (PWR)
Antares R1

Antares R1

DeveloperAntares Nuclear
Country of OriginUnited States
SizeMicro
TypeSodium Heat Pipe Reactor
AP1000

AP1000

DeveloperWestinghouse Electric Company
Country of OriginUnited States
SizeLarge
TypePressurized Water Reactor (PWR)
AP300

AP300

DeveloperWestinghouse Electric Company
Country of OriginUnited States
SizeMedium
TypePressurized Water Reactor (PWR)
APR1400

APR1400

DeveloperKorea Hydro & Nuclear Power (KHNP)
Country of OriginRepublic of Korea
SizeLarge
TypePressurized Water Reactor (PWR)
ARC-100

ARC-100

DeveloperARC Clean Technology
Country of OriginCanada
SizeSmall
TypeSodium-Cooled Fast Reactor (SFR)
Aurora

Aurora

DeveloperOklo
Country of OriginUnited States
SizeSmall
TypeSodium-Cooled Fast Reactor (SFR)
BANR

BANR

DeveloperBWXT
Country of OriginUnited States
SizeMicro
TypeHigh-Temperature Gas-Cooled Reactor (HTGR)
BWRX-300​

BWRX-300​

DeveloperGE Vernova Hitachi
Country of OriginUnited States
SizeSmall
TypeBoiling Water Reactor (BWR)
CAP1400

CAP1400

DeveloperState Power Investment Corporation (SPIC)
Country of OriginChina
SizeLarge
TypePressurized Water Reactor (PWR)
CAREM

CAREM

DeveloperComisión Nacional de Energía Atómica (CNEA)
Country of OriginArgentina
SizeMicro
TypePressurized Water Reactor (PWR)
e-Vinci

e-Vinci

DeveloperWestinghouse Electric Company
Country of OriginUnited States
SizeMicro
TypeSodium Heat Pipe Reactor
EPR

EPR

DeveloperÉlectricité de France and Framatome
Country of OriginFrance
SizeLarge
TypePressurized Water Reactor (PWR)
FMR

FMR

DeveloperGeneral Atomics
Country of OriginUnited States
SizeMicro
TypeGas-Cooled Fast Reactor
Gravity

Gravity

DeveloperDeep Fission
Country of OriginUnited States
SizeMicro
TypePressurized Water Reactor (PWR)
HTR-PM

HTR-PM

DeveloperChina National Nuclear Company (CNNC)
Country of OriginChina
SizeSmall
TypeHigh-Temperature Gas-Cooled Reactor (HTGR)
Hualong One

Hualong One

DeveloperChina National Nuclear Corporation and China General Nuclear Power Group
Country of OriginChina
SizeLarge
TypePressurized Water Reactor (PWR)
IMSR400

IMSR400

DeveloperTerrestrial Energy
Country of OriginUnited States
SizeMedium
TypeMolten Salt Reactor (MSR)
IPHWR-700

IPHWR-700

DeveloperBhabha Atomic Research Centre (BARC)
Country of OriginIndia
SizeLarge
TypePressurized Heavy Water Reactor (PHWR)
Kaleidos

Kaleidos

DeveloperRadiant
Country of OriginUnited States
SizeMicro
TypeHigh-Temperature Gas-Cooled Reactor (HTGR)
KP-FHR

KP-FHR

DeveloperKairos Power
Country of OriginUnited States
SizeSmall
TypeFluoride Salt-Cooled High-Temperature Reactor
Monark

Monark

DeveloperAtkinsRéalis
Country of OriginCanada
SizeLarge
TypeHeavy Water Reactor
MSR-100

MSR-100

DeveloperNatura Resources
Country of OriginUnited States
SizeSmall
TypeMolten Salt Reactor (MSR)
Natrium

Natrium

DeveloperTerrapower
Country of OriginUnited States
SizeMedium
TypeSodium-Cooled Fast Reactor (SFR)
NuScale Power Module

NuScale Power Module

DeveloperNuScale
Country of OriginUnited States
SizeSmall
TypePressurized Water Reactor (PWR)
PWR-20

PWR-20

DeveloperLast Energy
Country of OriginUnited States
SizeMicro
TypePressurized Water Reactor (PWR)
RITM-200

RITM-200

DeveloperRosatom
Country of OriginRussia
SizeSmall
TypePressurized Water Reactor (PWR)
Rolls-Royce SMR

Rolls-Royce SMR

DeveloperRolls-Royce
Country of OriginUnited Kingdom
SizeMedium
TypePressurized Water Reactor (PWR)
SMART100

SMART100

DeveloperKorea Hydro Nuclear Power Company (KHNP)
Country of OriginRepublic of Korea
SizeSmall
TypePressurized Water Reactor (PWR)
SMR-300

SMR-300

DeveloperHoltec
Country of OriginUnited States
SizeSmall
TypePressurized Water Reactor (PWR)
TMSR-LF1

TMSR-LF1

DeveloperSINAP (Shanghai Institute of Applied Physics)
Country of OriginChina
SizeMicro
TypeMolten Salt Reactor
VIPR

VIPR

DeveloperAtomic Alchemy
Country of OriginUnited States
SizeMicro
TypePool Light Water
VVER-1200

VVER-1200

DeveloperRosatom
Country of OriginRussia
SizeLarge
TypePressurized Water Reactor (PWR)
Xe-100

Xe-100

DeveloperX-Energy
Country of OriginUnited States
SizeSmall
TypeHigh-Temperature Gas-Cooled Reactor (HTGR)