United States Nuclear Regulatory Commission - Protecting People and the Environment

International Reactor Innovative and Secure (IRIS)

Designer:   Westinghouse Electric Company International Reactor Innovative and Secure (IRIS)
Reactor Power:   1000 MWt
Electrical Output:   335 MWe
Outlet Conditions:   330°C
Coolant:   Light water
Fuel Design:   17 x 17 assemblies 4.95% enrichment UO2
Refueling:   3-3.5 years
Letter of Intent:   Updated March 18, 2009
Licensing Plan:   Design Certification
Expected Submittal:   Q3 2012
Design Information:   Pressurized water reactor with reactor vessel, helical-coil steam generators, reactor coolant pumps, and pressurizer within a reactor vessel which is enclosed in a spherical steel containment vessel.
Status/Other Info:    
Website:   http://hulk.cesnef.polimi.it/ exit icon
Page Last Reviewed/Updated Friday, February 04, 2011