Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2019	Aug. 04, 2019
Document and Entity Information [Abstract]
Document Type	10-Q
Document Period End Date	Jun. 30, 2019
Entity File Number	001-36894
Entity Interactive Data Current	Yes
Entity Current Reporting Status	Yes
Entity Registrant Name	SolarEdge Technologies Inc
Entity Address, Country	IL
Entity Incorporation, State or Country Code	DE
Entity Address, City or Town	Herziliya Pituach
Entity Address, State or Province	DE
Entity Tax Identification Number	20-5338862
Entity Address, Address Line One	1 HaMada Street
Entity Address, Postal Zip Code	4673335
Local Phone Number	(9) 957-6620
Entity Information, Former Legal or Registered Name	N/A
Entity Common Stock, Shares Outstanding		47,971,049
Entity Central Index Key	0001419612
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Shell Company	false
City Area Code	972
Document Quarterly Report	true
Document Transition Report	false
Title of each class	Common stock, par value $0.0001 per share
Trading Symbol	SEDG
Name of Exchange on which Security is Registered	NASDAQ