v3.25.1
Cover Page - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Apr. 28, 2025
Jun. 30, 2024
Document Information [Line Items]      
Document Type 10-K/A    
Document Annual Report true    
Document Period End Date Dec. 31, 2024    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 333-274434    
Entity Registrant Name T1 Energy Inc.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 93-3205861    
Entity Address, Address Line One 1211 E 4th St.    
Entity Address, Postal Zip Code 78702    
Entity Address, City or Town Austin    
Entity Address, State or Province TX    
City Area Code (409)    
Local Phone Number 599-5706    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction false    
Entity Shell Company false    
Entity Public Float     $ 196,000
Entity Common Stock, Shares Outstanding   155,938,092  
Entity Central Index Key 0001992243    
Amendment Flag false    
Document Fiscal Year Focus 2024    
Document Fiscal Period Focus FY    
Common Stock, $0.01 par value      
Document Information [Line Items]      
Title of 12(b) Security Common Stock, $0.01 par value    
Trading Symbol TE    
Security Exchange Name NYSE    
Warrants, each whole warrant exercisable for one Common Stock at an exercise price of $11.50      
Document Information [Line Items]      
Title of 12(b) Security Warrants, each whole warrant exercisable for one Common Stock at an exercise price of $11.50    
Trading Symbol TE WS    
Security Exchange Name NYSE