Document and Entity Information - shares	8 Months Ended
	Aug. 31, 2015	Sep. 25, 2015
Document And Entity Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Aug. 31, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q3
Trading Symbol	CAFD
Entity Registrant Name	8POINT3 ENERGY PARTNERS LP
Entity Central Index Key	0001635581
Current Fiscal Year End Date	--11-30
Entity Filer Category	Non-accelerated Filer
Class A shares
Document And Entity Information [Line Items]
Entity Common Stock Shares Outstanding		20,002,679
Class B shares
Document And Entity Information [Line Items]
Entity Common Stock Shares Outstanding		51,000,000