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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) | 9 Months Ended
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Sep. 30, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Basis of Presentation | Basis of Presentation The unaudited condensed consolidated interim financial statements have been prepared in conformity with the accounting principles generally accepted in the U.S. (“U.S. GAAP”) for interim financial information and with the instructions to Form 10-Q and Article 10 of U.S. Securities and Exchange Commission (“SEC”) Regulation S-X. Accordingly, these financial statements do not include all of the information required by U.S. GAAP for complete consolidated financial statements. The unaudited condensed consolidated interim financial statements have been prepared on the same basis as the audited annual consolidated financial statements for the year ended December 31, 2024 and, in management’s opinion, include all adjustments, consisting of only normal recurring adjustments necessary for the fair statement of the Company’s condensed consolidated financial statements for the periods presented. The results of operations for the nine months ended September 30, 2025, are not necessarily indicative of the results to be expected for the full year ending December 31, 2025. The condensed consolidated balance sheet as of December 31, 2024, was derived from the audited consolidated financial statements as of December 31, 2024. However, these condensed consolidated interim financial statements do not contain all of the footnote disclosures required in annual consolidated financial statements. These unaudited condensed consolidated interim financial statements should be read in conjunction with the audited consolidated financial statements and the related notes included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2024 filed with the SEC on March 31, 2025, as amended and supplemented by Amendment No. 1 on Form 10-K/A filed with the SEC on April 30, 2025. The condensed consolidated financial statements include the accounts of T1 and its wholly owned subsidiaries. All intercompany accounts and transactions have been eliminated. Certain prior period balances and amounts have been reclassified to conform with the current period’s presentation.
Use of Estimates | Use of Estimates The preparation of the condensed consolidated financial statements in accordance with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the condensed consolidated financial statements and accompanying notes. Estimates and assumptions include, but are not limited to, estimates related to the fair value less costs to sell for assets held for sale, impairment of long-lived assets, derivative liabilities, the valuation of warrant liabilities, anti-dilution rights and share-based compensation. We base these estimates on historical experiences and on various other assumptions that we believe are reasonable under the circumstances, however, actual results may differ materially from these estimates.
Supplier and Production Concentration Risk | Supplier Concentration Risk Several of our key raw materials, components, and manufacturing equipment are sourced from highly specialized suppliers. The failure of any key supplier to perform could disrupt our supply chain and impair our ability to deliver solar modules to customers in the required quality, quantities, and pricing, which could adversely affect our results of operations. Production Concentration Risk Our solar modules are currently produced at a single facility in the United States. Shortages of essential components or equipment due to increased demand, supply interruptions, or limited logistics availability could adversely affect our ability to meet customer demand. Damage to, or disruption of, this facility could interrupt operations and negatively impact our ability to generate net sales.
Restricted Cash | Restricted Cash Certain cash balances are restricted as to withdrawal or use. Restricted cash includes funds held in restricted accounts for debt service, customs, certain contractual terms contained within rental agreements, and certain foreign government income tax withholding requirements.
Government grants receivable, net | Government grants receivable, net The Inflation Reduction Act of 2022 (“IRA”) was signed into law in August 2022. Among other things, the IRA offers a tax credit, pursuant to Section 45X of the Internal Revenue Code (“IRC”), for solar modules and solar module components manufactured in the United States and sold to third parties. Such credit may be refundable by the IRS or transferable to a third party and is available from 2023 to 2032, subject to phase down beginning in 2030. We expect to qualify for a credit of approximately 7 cents per watt for each PV module we produce and sell to a third party. We recognize such credit as a reduction to cost of sales in the period the PV modules are sold to customers, and such credit is also reflected on our condensed consolidated balance sheets within government grants receivable, net.
Leases | Leases Our operating leases primarily consist of our solar module facility in Wilmer, Texas and our G2_Austin solar cell manufacturing facility in Rockdale, Texas that we plan to develop. We also have short-term leases for which we elected to apply the short-term lease exemption to leases with a term of twelve months or less, and accordingly, have not recognized a right-of-use asset or lease liability. We have no other leases that are presented as continuing operations.
Deferred Revenue | Deferred Revenue During the nine months ended September 30, 2025, we recognized revenue related to deliveries of PV solar modules of $40.2 million that was included in deferred revenue at the beginning of the period.
Future Adoption of New Accounting Pronouncements | Future Adoption of New Accounting Pronouncements In November 2024, the FASB issued ASU 2024-03, Income Statement - Reporting Comprehensive Income - Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses, which requires disclosure of disaggregated information about specific categories underlying certain income statement expense line items in the footnotes to the financial statements for both annual and interim periods. This ASU is effective for fiscal years beginning after December 15, 2026, and interim reporting periods beginning after December 15, 2027. Early adoption is permitted. This standard only modifies disclosure requirements; as such, we do not expect the adoption of this standard to result in a material impact on our condensed consolidated statements of operations and comprehensive loss, balance sheet or cash flows. We are currently evaluating the effect of the adoption of this standard on our disclosures. In December 2023, the FASB issued ASU No. 2023-09, Improvements to Income Tax Disclosures (Topic 740). The ASU establishes new income tax disclosure requirements in addition to modifying and eliminating certain existing requirements. The ASU is effective for annual periods beginning after December 15, 2024. Early adoption is permitted. Upon adoption, the ASU can be applied prospectively or retrospectively. We are currently evaluating the effect of the adoption of this standard on our income tax disclosures related to our annual report for fiscal year 2025. In July 2025, Accounting Standards Update 2025-05 (“ASU 2025-05”), Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses for Accounts Receivable and Contract Assets, was issued to address challenges encountered when applying the guidance in Topic 326 to current accounts receivable and current contract assets arising from transactions accounted for under Topic 606. This standard introduces a practical expedient for entities that assumes that current conditions as of the balance sheet date do not change for the remaining life of the asset. This standard is effective for annual periods, including interim reporting periods within annual reporting periods, beginning after December 15, 2025 with early adoption permitted. The Company is currently evaluating the impact of electing the practical expedient and the impact it may have on its consolidated financial statements and disclosures. We do not expect to incur material credit losses when assessing the collectability of receivable balances, and therefore, we do not expect the adoption of this standard to result in a material impact on our condensed consolidated statements of operations and comprehensive loss, balance sheet or cash flows.

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