Document and Entity Information - USD ($)	8 Months Ended
	Dec. 31, 2019	Mar. 27, 2020	Jun. 30, 2019
Entity Registrant Name	Switchback Energy Acquisition Corp
Entity Central Index Key	0001777393
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Type	10-K
Document Period End Date	Dec. 31, 2019
Document Fiscal Period Focus	FY
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Document Fiscal Year Focus	2019
Entity Current Reporting Status	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Shell Company	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Public Float			$ 307,800,000
Entity File Number	001-39004
Entity Interactive Data Current	Yes
Entity Incorporation State Country Code	DE
Class A common stock
Entity Common Stock, Shares Outstanding		31,411,763
Class B common stock
Entity Common Stock, Shares Outstanding		7,852,941