CORIUMNuclear Regulatory Intelligence
Live Data
← CORIUM
WESTINGHOUSE
FOUNDED
1999
HQ
Cranberry Twp, PA
TYPE
Private
Also tracked in: NRC LICENSING · INTERNATIONAL
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NRC ADVANCED REACTOR CIRCUIT
PRE-APPLICATION MEETINGS
HOLDING POSITIONLast activity: date unknown
Last verified: April 2026 · Source: NRC ADAMS / Press Release · Scoring methodology ℹ
Recent Activity
No recent activity on record
Company Profile

AP300 in early NRC engagement. Leverages AP1000 design heritage.

VISIT WESTINGHOUSE
Reactor Specs
REACTOR DESIGN
AP300 · Pressurized Water SMR

Uses pressurized light water as coolant instead of water. Operates at higher temperature for greater thermal efficiency.

POWER OUTPUT
300 MWe

Powers ~243,900 average US homes. A standard large nuclear plant produces ~1,000 MWe.

COOLANT
Light Water

Standard water under high pressure. Proven technology used in 90% of operating commercial reactors worldwide.

FUEL TYPE
Low-enriched UO₂

Standard uranium dioxide ceramic pellets. Used in virtually every operating commercial reactor. Well-understood supply chain.

TARGET OPERATION
2033

US nuclear projects historically require 7–10 years from construction permit to first power. The 2033 target assumes factory-built modular components and no major regulatory delays.

SITE LOCATION
TBD

Site not yet selected. Selection typically occurs 2–3 years before license application, driven by grid capacity, water access, and state regulatory climate.

Licensing Milestone Tracker
PRE-APPLICATION
2022
APPLICATION
UNDER REVIEW
RAI RESOLVED
DESIGN CERTIFIED
CONSTRUCTION PERMIT
NRC Regulatory Journey
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