Exhibit 21.1

SUBSIDIARIES OF REGISTRANT

Enphase Energy Australia Pty. Ltd., an Australian corporation.

Enphase Energy Canada, Inc., a Canadian corporation.

Enphase Energy S.A.S., a French corporation.

Enphase Energy S.r.l., an Italian corporation.

Enphase Energy NL B.V., a Dutch private limited liability company.

Enphase Energy New Zealand Limited, a New Zealand corporation.

Enphase Energy UK Limited, a United Kingdom corporation.