XML 25 R14.htm IDEA: XBRL DOCUMENT v3.25.1
WARRANTY OBLIGATIONS
 3 Months Ended
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,
20252024
(In thousands)
Warranty obligations, beginning of period$192,889 $189,087 
Accruals for warranties issued during period7,309 6,098 
Expense (benefit) from changes in estimates7,721 (12,361)
Settlements(6,582)(6,893)
Increase due to accretion expense3,060 2,905 
Other(950)(1,672)
Warranty obligations, end of period203,447 177,164 
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.