| Cover | Feb. 10, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Feb. 10, 2022 |
| Entity File Number | 001-32998 |
| Entity Registrant Name | Energy Services of America Corporation |
| Entity Central Index Key | 0001357971 |
| Entity Tax Identification Number | 20-4606266 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 75 West 3rd Ave. |
| Entity Address, City or Town | Huntington |
| Entity Address, State or Province | WV |
| Entity Address, Postal Zip Code | 25701 |
| City Area Code | 304 |
| Local Phone Number | 522-3868 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
