v3.26.1
Cover
Jul. 28, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jul. 28, 2026
Entity File Number 001-41903
Entity Registrant Name T1 Energy Inc.
Entity Central Index Key 0001992243
Entity Tax Identification Number 93-3205861
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 1211 E 4th St.
Entity Address, City or Town Austin
Entity Address, State or Province TX
Entity Address, Postal Zip Code 78702
City Area Code 409
Local Phone Number 599-5706
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, $0.01 par value
Trading Symbol TE
Security Exchange Name NYSE
Entity Emerging Growth Company false