# EDGAR Filing Document

**Accession Number:** 0002047012
**File Stem:** 0000912282-25-000974
**Filing Date:** 2025-9
**Character Count:** 5546
**Document Hash:** b8169c1e8d36b98c1d19ceccfc49e5f1
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000912282-25-000974.hdr.sgml**: 20250909

**ACCESSION NUMBER**: 0000912282-25-000974

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13D/A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250909

**DATE AS OF CHANGE**: 20250909

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** T1 Energy Inc.
- **CENTRAL INDEX KEY:** 0001992243
- **STANDARD INDUSTRIAL CLASSIFICATION:** SEMICONDUCTORS & RELATED DEVICES [3674]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 933205861
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-94349
- **FILM NUMBER:** 251304376

**BUSINESS ADDRESS:**
- **STREET 1:** 1211 E 4TH ST.
- **CITY:** AUSTIN
- **STATE:** TX
- **ZIP:** 78702
- **BUSINESS PHONE:** 409-599-5706

**MAIL ADDRESS:**
- **STREET 1:** 1211 E 4TH ST.
- **CITY:** AUSTIN
- **STATE:** TX
- **ZIP:** 78702

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** FREYR Battery, Inc. /DE/
- **DATE OF NAME CHANGE:** 20230901
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** TRINA SOLAR (SCHWEIZ) AG
- **CENTRAL INDEX KEY:** 0002047012

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** V8
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A

**BUSINESS ADDRESS:**
- **STREET 1:** BIRKENWEG 4
- **CITY:** WALLISELLEN
- **STATE:** V8
- **ZIP:** 8304
- **BUSINESS PHONE:** 41-43-299-6800

**MAIL ADDRESS:**
- **STREET 1:** BIRKENWEG 4
- **CITY:** WALLISELLEN
- **STATE:** V8
- **ZIP:** 8304

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**(Amendment No. 1)**

**T1 Energy Inc.**

*(Name of Issuer)*

**Common Stock, par value $0.01**

*(Title of Class of Securities)*

**35834F104**

*(CUSIP Number)*

**Catherine Pan-Giordano Esq.**<br>51 W. 52nd Street<br>New York NY 10019<br>(212) 415-9200

*(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)*

**09/05/2025**

*(Date of Event Which Requires Filing of this Statement)*

| **CUSIP No.** | **35834F104** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Trina Solar (Schweiz) AG** | Name of reporting person<br>**Trina Solar (Schweiz) AG** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**V8** | Citizenship or place of organization<br>**V8** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**27959500.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**27959500.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**27959500.00** | Aggregate amount beneficially owned by each reporting person<br>**27959500.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**16.6%** | Percent of class represented by amount in Row (11)<br>**16.6%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**CO** | Type of Reporting Person (See Instructions)<br>**CO** | |

---

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
Common Stock, par value $0.01

**(b) Name of Issuer:**
T1 Energy Inc.

**(c) Address of Issuer's Principal Executive Offices:**
1211 E. 4th Street, Austin, TX, 78702

**Item 4. Purpose of Transaction**

Item 4 of the Schedule 13D filed by the Reporting Person on December 27, 2024 (the "Schedule 13D"), is incorporated by reference herein.  On September 5, 2025, the Reporting Person and the Issuer completed the First Conversion (as defined in the Schedule 13D), and the Reporting Person received 12,521,653 shares of common stock of the Issuer on the same date.

**Item 5. Interest in Securities of the Issuer**

**(a)**
16.6%

**(b)**
27,959,500

**(c)**
First Conversion (as defined in the Schedule 13D) by the Reporting Person and issuance of 12,521,653 shares of common stock of the Issuer to the Reporting Person as a result of the First Conversion

**Item 6. Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer.**

N/A

### SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** Trina Solar (Schweiz) AG

**Signature:** Vincenzo Costanzelli, Chairman of Board of Directors

**Name/Title:** Trina Solar (Schweiz) AG

**Date:** 09/09/2025