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Cover Page Document
May 19, 2021
Cover [Abstract]  
Document Type 8-K
Document Period End Date May 19, 2021
Entity Registrant Name ENPHASE ENERGY, INC.
Entity Address, Address Line One 47281 Bayside Parkway
Entity Incorporation, State or Country Code DE
Entity File Number 001-35480
Entity Tax Identification Number 20-4645388
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
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Amendment Flag false
Entity Central Index Key 0001463101
Current Fiscal Year End Date --12-31