Document and Entity Information - shares	3 Months Ended
	Feb. 28, 2018	Mar. 26, 2018
Document And Entity Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Feb. 28, 2018
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q1
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	Accelerated Filer
Class A shares
Document And Entity Information [Line Items]
Entity Common Stock Shares Outstanding		28,093,305
Class B shares
Document And Entity Information [Line Items]
Entity Common Stock Shares Outstanding		51,000,000