Table of Contents Years Ended December 31, 2023 2022 2021 Supplemental cash flow disclosure: Cash paid for interest $ 455 $ 455 $ 733 Cash paid for income taxes $ 74,706 $ 33,168 $ 4,823 Supplemental disclosures of non-cash investing and financing activities: Purchases of property and equipment included in accounts payable $ 10,141 $ 17,396 $ 7,498 Purchases of property and equipment through tenant improvement allowance $ — $ 748 $ — Contingent consideration in connection with the acquisition $ — $ — $ 3,500 See Notes to Consolidated Financial Statements. Enphase Energy, Inc. | 2023 Form 10-K | 74