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COVER PAGE - USD ($)
$ in Billions
 12 Months Ended
Dec. 31, 2022
Feb. 06, 2023
Jun. 30, 2022
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2022    
Document Transition Report false    
Entity File Number 001-35480    
Entity Registrant Name Enphase Energy, Inc.    
Entity Incorporation, State DE    
Entity Tax Identification Number 20-4645388    
Entity Address, Address Line One 47281 Bayside Parkway    
Entity Address, City or Town Fremont    
Entity Address, State or Province CA    
Entity Address, Postal Zip Code 94538    
City Area Code 877    
Local Phone Number 774-7000    
Title of 12(b) Security Common Stock, $0.00001 par value per share    
Trading Symbol ENPH    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Entity Public Float     $ 20.2
Entity Common Stock, Shares Outstanding   136,497,418  
Documents Incorporated by Reference Portions of the registrant’s Proxy Statement for the 2023 Annual Meeting of Stockholders to be filed with the Securities and Exchange Commission within 120 days after the end of the registrant’s fiscal year ended December 31, 2022 are incorporated by reference into Part III of this Annual Report on Form 10-K    
Entity Central Index Key 0001463101    
Amendment Flag false    
Document Fiscal Year Focus 2022    
Document Fiscal Period Focus FY    
Current Fiscal Year End Date --12-31