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Document and Entity Information
Nov. 25, 2025
Document And Entity Information [Line Items]  
Document Type 8-K
Document Period End Date Nov. 25, 2025
Entity Registrant Name enCore Energy Corp.
Entity Incorporation State Country Code A1
Entity File Number 001-41489
Entity Tax Identification Number 00-0000000
Entity Address Address Line 1 One Galleria Tower
Entity Address Address Line 2 13355 Noel Road
Entity Address Address Line 3 Suite 1700
Entity Address City Or Town Dallas
Entity Address State Or Province TX
Entity Address Postal Zip Code 75240
City Area Code 361
Local Phone Number 239-2025
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Shares, no par value
Trading Symbol EU
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Amendment Flag false
Entity Central Index Key 0001500881
Former Address [Member]  
Document And Entity Information [Line Items]  
Entity Address Address Line 1 5950 Berkshire Lane
Entity Address Address Line 2 Suite 210
Entity Address City Or Town Dallas
Entity Address State Or Province TX
Entity Address Postal Zip Code 75225