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WARRANTY OBLIGATIONS | 3 Months Ended
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Mar. 31, 2025
Product Warranties Disclosures [Abstract] |
WARRANTY OBLIGATIONS | WARRANTY OBLIGATIONS The Company’s warranty obligation activities were as follows:
|  |  | Three Months Ended March 31, |  |
|  |  |  |  | 2025 |  | 2024 |  |
|  |  |  |  | (In thousands)
Warranty obligations, beginning of period |  |  |  |  | $ | 192,889 |  |  | $ | 189,087 |  |  |
Accruals for warranties issued during period |  |  |  |  | 7,309 |  |  | 6,098 |  |  |
Expense (benefit) from changes in estimates |  |  |  |  | 7,721 |  |  | (12,361) |  |  |
Settlements |  |  |  |  | (6,582) |  |  | (6,893) |  |  |
Increase due to accretion expense |  |  |  |  | 3,060 |  |  | 2,905 |  |  |
Other |  |  |  |  | (950) |  |  | (1,672) |  |  |
Warranty obligations, end of period |  |  |  |  | 203,447 |  |  | 177,164 |  |  |
Less: warranty obligations, current |  |  |  |  | (33,298) |  |  | (30,868) |  |  |
Warranty obligations, non-current |  |  |  |  | $ | 170,149 |  |  | $ | 146,296 |  |  |
Changes in Estimates In the three months ended March 31, 2025, the Company recorded $7.7 million in warranty expense from changes in estimates, of which $5.9 million related to estimated additional tariff costs to be incurred on product replacement costs and $1.8 million related to continuing analysis of field performance data and diagnostic root-cause failure analysis primarily for prior generation products. In the three months ended March 31, 2024, the Company recorded $12.4 million in warranty benefit from changes in estimates, of which $9.3 million related to a decrease in product replacement costs for Enphase IQ® Battery storage systems and $3.1 million related to continuing analysis of field performance data and diagnostic root-cause failure analysis for Enphase IQ Battery storage systems.

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- Definition The entire disclosure for standard and extended product warranties and other product guarantee contracts, including a tabular reconciliation of the changes in the guarantor's aggregate product warranty liability for the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a)(4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482425/460-10-50-4 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a)(5) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482425/460-10-50-4 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482425/460-10-50-4 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482425/460-10-50-4 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482425/460-10-50-4 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482425/460-10-50-4 + Details
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