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Segment and Geographic Information (Tables) | 12 Months Ended
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Dec. 31, 2025
Segment Reporting [Abstract] |
Schedule of Segment Reporting Information | The following tables summarize the financial results by segment during the periods presented (in thousands):
| Year ended December 31, 2025
| Array Legacy Operations |  | STI Operations |  | Consolidated
Segment revenue | $ | 1,070,478 |  |  | $ | 213,663 |  |  | $ | 1,284,141 |
Less: |  |  |  |  |
Product cost(1) | 704,429 |  |  | 177,833 |  |  | 882,262 |
Inventory valuation charge | — |  |  | 29,516 |  |  | 29,516 |
Amortization of developed technology and backlog | 17,520 |  |  | — |  |  | 17,520 |
Depreciation | 3,569 |  |  | — |  |  | 3,569 |
Other costs(2) | 44,968 |  |  | 7,753 |  |  | 52,721 |
Gross profit | $ | 299,992 |  |  | $ | (1,439) |  |  | $ | 298,553 |
Total operating expenses | — |  |  | — |  |  | (327,548) |
Total other expense, net | — |  |  | — |  |  | (222)
Loss before income taxes |  |  |  |  | $ | (29,217) |
Segment assets | 1,235,937 |  |  | 215,855 |  |  | 1,451,792 |
Capital expenditures | 21,077 |  |  | 895 |  |  | 21,972 |
Depreciation and amortization | 35,846 |  |  | 11,442 |  |  | 47,288 |
Interest income | 10,912 |  |  | 940 |  |  | 11,852 |
Interest expense | 24,996 |  |  | 2,335 |  |  | 27,331 |
| Year ended December 31, 2024
| Array Legacy Operations |  | STI Operations |  | Consolidated
Segment revenue | $ | 661,629 |  |  | $ | 254,178 |  |  | $ | 915,807 |
Less: |  |  |  |  |
Product cost(1) | 353,034 |  |  | 225,517 |  |  | 578,551 |
Amortization of developed technology and backlog | 14,558 |  |  | — |  |  | 14,558 |
Depreciation | 2,045 |  |  | 90 |  |  | 2,135 |
Other costs(2) | 21,961 |  |  | 925 |  |  | 22,886 |
Gross profit | $ | 270,031 |  |  | $ | 27,646 |  |  | $ | 297,677 |
Total operating expenses | — |  |  | — |  |  | (524,682) |
Total other expense, net | — |  |  | — |  |  | (23,571) |
Loss before income taxes |  |  |  |  | $ | (250,576) |
Segment assets | 1,018,487 |  |  | 407,512 |  |  | 1,425,999 |
Capital expenditures | 6,423 |  |  | 882 |  |  | 7,305 |
Depreciation and amortization | 27,303 |  |  | 25,476 |  |  | 52,779 |
Interest income | 12,767 |  |  | 4,010 |  |  | 16,777 |
Interest expense | 32,516 |  |  | 2,309 |  |  | 34,825 |
| Year ended December 31, 2023
| Array Legacy Operations |  | STI Operations |  | Consolidated
Segment revenue | $ | 1,172,827 |  |  | $ | 403,724 |  |  | $ | 1,576,551 |
Less: |  |  |  |  |
Product cost(1) | 805,174 |  |  | 305,778 |  |  | 1,110,952 |
Amortization of developed technology and backlog | 14,558 |  |  | — |  |  | 14,558 |
Depreciation(3) | 1,348 |  |  | — |  |  | 1,348 |
Other costs(2)(3) | 34,142 |  |  | — |  |  | 34,142 |
Gross profit | $ | 317,605 |  |  | $ | 97,946 |  |  | $ | 415,551 |
Total operating expenses | — |  |  | — |  |  | (201,427) |
Total other expense, net | — |  |  | — |  |  | (36,967) |
Income before income taxes |  |  |  |  | $ | 177,157 |
Segment assets | 868,697 |  |  | 838,044 |  |  | 1,706,741 |
Capital expenditures | 15,748 |  |  | 1,241 |  |  | 16,989 |
Depreciation and amortization | 26,840 |  |  | 27,986 |  |  | 54,826 |
Interest income | 3,985 |  |  | 4,345 |  |  | 8,330 |
Interest expense | 40,982 |  |  | 3,247 |  |  | 44,229 |
(1) Includes 45X benefits realized in the amount of $173.6 million, $137.8 million, and $9.3 million for the years ended December 31, 2025, 2024 and 2023, respectively. (2) Other is primarily comprised of outbound freight and certain overhead costs. Outbound freight for the years ended December 31, 2025, 2024 and 2023 for Array Legacy Operations was $43.8 million, $21.6 million, and $33.5 million, respectively. (3) Depreciation and Other for STI Operations for the year ended December 31, 2023 is immaterial and included within Product cost.
Schedule of Revenue from External Customers by Geographic Areas | The following table presents revenues by geographic region, based on the customers project location (in thousands):
| Year Ended December 31,
| 2025 |  | 2024 |  | 2023
U.S. | $ | 1,041,372 |  |  | $ | 643,481 |  |  | $ | 1,166,160 |
Spain | 141,047 |  |  | 83,742 |  |  | 99,160 |
Brazil | 60,716 |  |  | 135,102 |  |  | 257,872 |
Australia | 23,779 |  |  | 8,708 |  |  | 20,842 |
Remainder | 17,227 |  |  | 44,774 |  |  | 32,517 |
Total revenue | $ | 1,284,141 |  |  | $ | 915,807 |  |  | $ | 1,576,551 |
Schedule of Long-Lived Assets by Geographic Areas | The following table presents property, plant and equipment, net by geographic region at the end of the period (in thousands):
| December 31,
| 2025 |  | 2024
U.S. | $ | 51,452 |  |  | $ | 20,058 |
Spain | 3,129 |  |  | 2,967 |
Brazil | 156 |  |  | 13 |
Australia | 384 |  |  | 471 |
Remainder | 3,104 |  |  | 2,713 |
Total property, plant and equipment, net | $ | 58,225 |  |  | $ | 26,222 |

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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-25 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 + Details
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