XML 27 R1.htm IDEA: XBRL DOCUMENT v3.24.0.1
Cover
12 Months Ended
Sep. 30, 2023
shares
Document Information Line Items  
Entity Registrant Name CN ENERGY GROUP. INC.
Entity Central Index Key 0001780785
Document Type 20-F
Amendment Flag false
Entity Voluntary Filers No
Current Fiscal Year End Date --09-30
Entity Well Known Seasoned Issuer No
Entity Shell Company false
Entity Emerging Growth Company true
Entity Current Reporting Status Yes
Document Period End Date Sep. 30, 2023
Entity Filer Category Non-accelerated Filer
Document Fiscal Period Focus FY
Document Fiscal Year Focus 2023
Entity Ex Transition Period false
Entity Common Stock Shares Outstanding 2,285,826
Document Annual Report true
Document Transition Report false
Entity File Number 001-39978
Entity Incorporation State Country Code D8
Entity Address Address Line 1 Building 2‑B, Room 206
Entity Address Address Line 2 No. 268 Shiniu Road
Entity Address Address Line 3 Liandu District
Entity Address City Or Town Lishui City
Entity Address Country CN
Icfr Auditor Attestation Flag false
Auditor Name Enrome LLP
Auditor Location Singapore
Auditor Firm Id 6907
Security 12b Title Class A ordinary shares, no par value per share
Trading Symbol CNEY
Security Exchange Name NASDAQ
Entity Interactive Data Current Yes
Document Shell Company Report false
Document Registration Statement false
Document Accounting Standard U.S. GAAP
Business Contact [Member]  
Document Information Line Items  
City Area Code 571
Local Phone Number 87555823
Contact Personnel Name Jinwu Huang