v3.26.1
Cover
Jun. 22, 2026
Cover [Abstract]  
Document Type 8-K
Document Period End Date Jun. 22, 2026
Entity Registrant Name FERVO ENERGY CO
Entity Incorporation, State or Country Code DE
Entity File Number 001-43285
Entity Tax Identification Number 82-3168838
Entity Address, Address Line One 811 Main Street
Entity Address, Address Line Two Suite 1700
Entity Address, City or Town Houston,
Entity Address, State or Province TX
Entity Address, Postal Zip Code 77002
City Area Code 832
Local Phone Number 554-3253
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, par value $0.0001 per share
Trading Symbol FRVO
Security Exchange Name NASDAQ
Entity Emerging Growth Company true
Entity Ex Transition Period false
Entity Central Index Key 0001853868
Amendment Flag false