Cover |
6 Months Ended |
|---|---|
Mar. 31, 2026 | |
| Cover [Abstract] | |
| Entity Registrant Name | CN ENERGY GROUP. INC. |
| Entity Central Index Key | 0001780785 |
| Document Type | 6-K |
| Amendment Flag | false |
| Current Fiscal Year End Date | --09-30 |
| Document Period End Date | Mar. 31, 2026 |
| Document Fiscal Period Focus | Q2 |
| Document Fiscal Year Focus | 2026 |
| Entity File Number | 001-39978 |
| 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 |
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- Definition Fiscal period values are FY, Q1, Q2, and Q3. 1st, 2nd and 3rd quarter 10-Q or 10-QT statements have value Q1, Q2, and Q3 respectively, with 10-K, 10-KT or other fiscal year statements having FY. No definition available.
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- Definition This is focus fiscal year of the document report in YYYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006. No definition available.
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- Definition For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD. No definition available.
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- Definition The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'. No definition available.
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- Definition Address Line 1 such as Attn, Building Name, Street Name No definition available.
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- Definition Address Line 2 such as Street or Suite number No definition available.
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- Definition A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen. No definition available.
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- Definition The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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