XML 70 R45.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Organization and nature of business (Details Narrative) | 2 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2021 | Sep. 30, 2024 USD ($) shares | Sep. 30, 2023 USD ($)
Forward Split ratio |  | 71.62 |
Issuance of ordinary shares for acquisition, amount | $ |  |  | $ 18,373,771
Represents the information pertaining to CN Energy Development. [Member] | Represents the information pertaining to Hangzhou Forasen Technology Co., Ltd. [Member] |  |  |
Transfer of equity interest in subsidiaries | 100.00% |  |
Represents the information pertaining to Manzhouli Zhongxing Energy Technology Co., Ltd. [Member] |  |  |
Transfer of equity interest in subsidiaries | 100.00% |  |
Represents the information pertaining to Manzhouli CN Energy. [Member] |  |  |
Ownership interest (as a percent) |  | 90.00% |
Ownership interest held by non controlling owners |  | 70.00% |
CnEnergy Development [Member] |  |  |
Ownership interest (as a percent) |  | 10.00% | 100.00%
Ownership interest held by non controlling owners |  | 100.00% |
Issuance of Ordinary Shares, net of offering expenses (in shares) | shares |  | 10,000,000 |
Zhejiang CN Energy. [Member] |  |  |
Ownership interest (as a percent) |  |  | 100.00%
Ownership interest held by non controlling owners |  | 30.00% |
Issuance of ordinary shares for acquisition, amount | $ |  | $ 18,373,771 |
Issuance of ordinary shares for acquisition, shares | shares |  | 8,819,520 |
Zhejiang CN Energy. [Member] | Represents the information pertaining to Hangzhou Forasen Technology Co., Ltd. [Member] |  |  |
Transfer of equity interest in subsidiaries |  | 100.00% |
Zhejiang CN Energy. [Member] | Represents the information pertaining to CN Energy Development. [Member] |  |  |
Transfer of equity interest in subsidiaries | 60.00% |  |
Agreement No. 1 [Member] |  |  |
Description of agreement |  | CN Energy Development agreed to transfer all of its equity interest in Hangzhou Forasen, which constituted 100% of the issued and outstanding equity of Hangzhou Forasen, to Sentuo in consideration of RMB 29,478, which shall be paid by Sentuo within five business days from the date of the Agreement |
Agreement No. 2 [Member] |  |  |
Description of agreement |  | Zhejiang CN Energy agreed to transfer 90% of its equity in CN Energy Development and its subsidiaries (Khingan Forasen and Zhongxing Energy), and Manzhouli CN Energy agreed to transfer its 10% of equity in CN Energy Development to Shanghai Xinbaocheng Industrial Group Co., Ltd. (“Xinbaocheng”) for a total purchase price of RMB138,204,751 (approximately $19,690,929), which shall be paid by Xinbaocheng in installments according to the schedules set forth in the Agreement |

X
- References No definition available. + Details
Name: | cney_AgreementDescription
Namespace Prefix: | cney_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | cney_IssuanceOfOrdinarySharesForAcquisitionAmount
Namespace Prefix: | cney_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | cney_IssuanceOfOrdinarySharesForAcquisitionShares
Namespace Prefix: | cney_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | cney_MinorityInterestsOwnershipPercentageByParent
Namespace Prefix: | cney_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | cney_OwnershipInterestHeldByNonControllingOwners
Namespace Prefix: | cney_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | cney_TransferOfEquityInterestInSubsidiaries
Namespace Prefix: | cney_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of new stock issued during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -SubTopic 10 -Topic 505 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478448/946-505-50-2 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-09(4)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479134/946-220-S99-3 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-03(i)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479886/946-10-S99-3 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesNewIssues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 4.C) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-4 + Details
Name: | us-gaap_StockholdersEquityNoteStockSplitConversionRatio1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=cney_CnEnergyDevelopmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LeaseContractualTermAxis=cney_HangzhouForasenTechnologyCoLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=cney_ManzhouliZhongxingEnergyTechnologyCoLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=cney_ManzhouliCnEnergyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=cney_CnEnergyDevelopmentMemberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=cney_ZhejiangCnEnergyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=cney_AgreementNoOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=cney_AgreementNoTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |