Document and Entity Information - shares	9 Months Ended
	Jun. 30, 2022	Aug. 12, 2022
Document and Entity Information [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Jun. 30, 2022
Entity Registrant Name	Energy Services of America Corporation
Entity Central Index Key	0001357971
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	20-4606266
Entity Address, Address Line One	75 West 3rd Ave
Entity Address, City or Town	Huntington
Entity Address, Postal Zip Code	25701
Entity Address, State or Province	WV
City Area Code	304
Local Phone Number	522-3868
Title of 12(g) Security	Common Stock, Par Value $0.0001
Trading Symbol	ESOA
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		16,667,185
Amendment Flag	false
Current Fiscal Year End Date	--09-30
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q3