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WULF forms Fluidstack JV with 168 MW lease and $1.3B backstop

Filing Impact
(High)
Filing Sentiment
(Neutral)
Form Type
8-K

Rhea-AI Filing Summary

TeraWulf Inc. entered a joint venture with a subsidiary of Fluidstack to develop and operate the Abernathy HPC Campus in Texas, with TeraWulf initially owning 50.1% (targeting 51% upon required equity contributions) and designating three of five managers.

An affiliate of Fluidstack signed a 25-year lease for 168 MW of critical IT load, with construction delivery expected in the second half of 2026. The total estimated build cost is $8–$10 million per MW, and contracted 25-year revenue to the joint venture is expected to total approximately $9.5 billion. During years two to three after operations commence, Fluidstack may purchase 6%–11% of total JV equity from TeraWulf, subject to the delay condition stated.

Google LLC entered a recognition agreement providing a backstop totaling $1.3 billion, which begins amortization at rent commencement and amortizes over 10 years. In a payment default or insolvency of the tenant, Google may terminate the lease and pay a termination fee, or assume the lease at a discounted rent rate. Each member has pro rata capital rights; TeraWulf must fund any shortfall if Fluidstack elects not to contribute.

Positive

  • $9.5 billion contracted 25-year revenue to the JV from the Abernathy Datacenter Lease
  • $1.3 billion Google backstop effective at rent commencement, amortizing over 10 years

Negative

  • TeraWulf must fund any capital contribution shortfall if the Fluidstack member elects not to contribute
  • Fluidstack may purchase 6%–11% of total JV equity from TeraWulf between the second and third anniversaries of operations

Insights

Long-term revenue visibility with a $1.3B Google backstop.

The JV anchors a 25-year lease for 168 MW of HPC capacity, with contracted revenue of approximately $9.5 billion to the JV. Build economics are framed at $8–$10 million per MW, and delivery is targeted for the second half of 2026, tying revenue start to premises delivery and rent commencement.

The recognition agreement with Google adds a $1.3 billion backstop that amortizes over 10 years, providing defined remedies in a tenant default: either a termination fee or lease assumption at discounted rent. This structure can reduce counterparty risk on early cash flows, though actual protection depends on the timing and terms of any default scenario.

Ownership starts at 50.1% for TeraWulf (target 51% post-contribution), with potential dilution via Fluidstack’s right to buy 6%–11% of total JV equity in the window beginning two years after operations commence. Capital mechanics require TeraWulf to fund any partner shortfall, concentrating funding obligations until stabilized.

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

FORM 8-K

 

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

 

Date of Report (Date of earliest event reported): October 28, 2025

 

TERAWULF INC.

(Exact name of registrant as specified in its charter)

 

Delaware 001-41163 87-1909475
(State or other jurisdiction of
incorporation)
(Commission File Number) (IRS Employer Identification No.)

 

9 Federal Street

Easton, Maryland 21601

(Address of principal executive offices) (Zip Code)

 

(410) 770-9500

(Registrant’s telephone number, including area code)

 

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

 

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
   
¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
   
¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
   
¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

 

Securities registered pursuant to Section 12(b) of the Act:

 

Title of each class Trading
Symbol(s)
Name of each exchange on which
registered
Common stock, $0.001 par value per share WULF The Nasdaq Capital Market

 

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

 

Emerging growth company ¨

 

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

 

 

 

 

 

Item 1.01. Entry into a Material Definitive Agreement.

 

On October 28, 2025, TeraWulf Inc. (“TeraWulf”) announced that its subsidiary Big Country Wulf LLC (the “TeraWulf Member”) had entered into an amended and restated limited liability company agreement (the “Joint Venture Agreement”) with Fluidstack CS I Inc. (the “Fluidstack Member”) to govern the terms of operation of FS CS I LLC (the “Joint Venture”), which will develop and operate a data center campus in Abernathy, Texas (the “Abernathy HPC Campus”). The Fluidstack Member is a subsidiary of Fluidstack Ltd., a leading AI cloud platform.

 

Pursuant to the terms of the Joint Venture Agreement, the Fluidstack Member and the TeraWulf Member will be the sole initial members of the Joint Venture, with TeraWulf Member owning 50.1% of the equity interests of the Joint Venture and the Fluidstack Member owning 49.9% of the equity interests as of the date hereof. The board of managers of the Joint Venture will initially comprise three designees of the TeraWulf Member and two designees of the Fluidstack Member.

 

Pursuant to the terms of the Joint Venture Agreement, the TeraWulf Member will be required to make equity contributions to the Joint Venture and, upon such contributions, the percentage of equity owned by the TeraWulf Member will be adjusted up to 51% accordingly. If additional capital contributions are required to fund the Joint Venture, the Fluidstack Member and the TeraWulf Member each have the right to contribute a pro rata portion of such additional capital contributions according to the percentage of equity they own in the Joint Venture, with the TeraWulf Member being required to contribute any shortfall that the Fluidstack Member elects not to contribute, and the percentage of equity owned by each will be adjusted accordingly. During the period beginning on the two-year anniversary of the date upon which the Abernathy HPC Campus commences operations (the “RFS Date”) and ending on the three-year anniversary of the RFS Date, the Fluidstack Member has the right to purchase from the TeraWulf Member a minimum of 6% and a maximum of 11% of the total equity of the Joint Venture, unless the RFS Date is delayed over six months from the agreed target commencement date.

 

Abernathy Datacenter Lease

 

On September 26, 2025, FS AB LLC (“FS AB”), an indirect subsidiary of the Joint Venture, as landlord, entered into a lease agreement (the “Abernathy Datacenter Lease”) with Fluidstack USA III Inc. (“Fluidstack”), an affiliate of the Fluidstack Member, as tenant. Under the Abernathy Datacenter Lease, the Joint Venture will provide Fluidstack with a total of 168 MW of critical IT load for high-performance computing (“HPC”) data center operations at the Abernathy HPC Campus. The Joint Venture is expected to complete construction and deliver the premises in the second half of 2026. The total estimated cost of the construction of the Abernathy HPC Campus is $8-10 million per MW of critical IT load.

 

Fluidstack’s obligations to pay rent under the Abernathy Datacenter Lease begin on the delivery of the premises for the Abernathy Datacenter Lease and continue for a 25-year term thereafter, subject to certain options to shorten the lease to 20 years or 15 years. The contracted 25-year revenue to the Joint Venture is expected to total approximately $9.5 billion.

 

Recognition Agreements

 

In connection with the Abernathy Datacenter Lease, FS AB entered into a recognition agreement dated September 26, 2025 (the “Datacenter Recognition Agreement”) with Fluidstack and Google LLC (“Google”), pursuant to which Google has agreed to backstop (the “Datacenter Google Backstop”) certain obligations of Fluidstack under the Abernathy Datacenter Lease. The Datacenter Google Backstop will become effective as of the commencement date under the Abernathy Datacenter Lease.

 

In the event of a payment default under the Abernathy Datacenter Lease, or if Fluidstack becomes subject to an insolvency event, following notice from FS AB, Google will have the option to either (i) terminate the Abernathy Datacenter Lease and pay a termination fee under the Datacenter Recognition Agreement or (ii) pay all rent currently due under the Abernathy Datacenter Lease and assume the Abernathy Datacenter Lease as the tenant thereunder at a discounted rent rate.

 

 

 

The Datacenter Google Backstop totals $1.3 billion, commences amortization upon the rent commencement date under the Abernathy Datacenter Lease, and amortizes over 10 years.

 

In addition, in connection with the ground lease for the Abernathy HPC Campus (the “Abernathy Ground Lease”), FS AB entered into recognition agreements with Google and Fluidstack, respectively, and the landlord under the Abernathy Ground Lease, pursuant to which Google and Fluidstack have certain rights and obligations with respect to the Abernathy Ground Lease in the event of certain defaults under the Abernathy Ground Lease.

 

Item 2.02. Results of Operations and Financial Condition.

 

On October 28, 2025, TeraWulf issued a press release announcing its preliminary financial results for the third quarter ended September 30, 2025. A copy of the press release is attached hereto as Exhibit 99.2 and incorporated by reference.

 

Item 7.01. Regulation FD.

 

On October 28, 2025, TeraWulf issued a press release announcing entry into the Joint Venture Agreement and related transactions. A copy of the press release is attached hereto as Exhibit 99.1 and incorporated herein by reference.

 

On October 28, 2025, TeraWulf also released an investor presentation regarding the transaction. A copy of the investor presentation is attached hereto as Exhibit 99.3 and incorporated herein by reference.

 

The information furnished in Items 2.02 and 7.01 of this Current Report, including Exhibits 99.1, 99.2 and 99.3, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) or otherwise subject to the liabilities of that Section, and shall not be deemed to be incorporated by reference into any filing of TeraWulf under the Exchange Act or the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing.

 

Cautionary Note Regarding Forward-Looking Statements.

 

Statements in this Current Report on Form 8-K about future expectations, plans, and prospects, as well as any other statements regarding matters that are not historical facts, may constitute “forward-looking statements” within the meaning of The Private Securities Litigation Reform Act of 1995. These statements include statements concerning anticipated future events and expectations that are not historical facts. All statements, other than statements of historical fact, are statements that could be deemed forward-looking statements. The words “anticipate,” “believe,” “continue,” “could,” “estimate,” “expect,” “intend,” “may,” “plan,” “potential,” “predict,” “project,” “should,” “target,” “will,” “would,” and similar expressions are intended to identify forward-looking statements, although not all forward-looking statements contain these identifying words. Actual results may differ materially from those indicated by such forward-looking statements as a result of various important factors, including uncertainties related to market conditions, the other factors discussed in the “Risk Factors” section of TeraWulf’s Annual Report on Form 10-K filed with the Securities and Exchange Commission (the “SEC”) on March 3, 2025 and the risks described in other filings that TeraWulf may make from time to time with the SEC. Any forward-looking statements contained in this Current Report on Form 8-K speak only as of the date hereof, and TeraWulf specifically disclaims any obligation to update any forward-looking statement, whether as a result of new information, future events, or otherwise, except to the extent required by applicable law.

 

Item 9.01. Financial Statements and Exhibits.

 

(d) Exhibits

 

Exhibit
No.
  Description
99.1   Press Release issued by TeraWulf Inc., dated October 28, 2025.
99.2   Press Release issued by TeraWulf Inc., dated October 28, 2025.
99.3   Investor Presentation, dated October 28, 2025.
104   Cover Page Interactive Data File (embedded within the Inline XBRL document).

 

 

 

 

SIGNATURES

 

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

 

Date: October 28, 2025 TERAWULF, INC.
     
  By: /s/ Patrick A. Fleury
  Name:  Patrick A. Fleury
  Title:  Chief Financial Officer

 

 

FAQ

What joint venture did WULF announce?

TeraWulf formed a JV with a Fluidstack subsidiary to develop and operate the Abernathy HPC Campus, initially owning 50.1% (target 51% upon contributions).

How much capacity and revenue are tied to the Abernathy lease?

The lease covers 168 MW of critical IT load with contracted 25-year revenue of approximately $9.5 billion to the JV.

When is the Abernathy HPC Campus expected to be delivered?

Construction delivery is expected in the second half of 2026, when rent obligations begin for the leased premises.

What is the Google backstop supporting the project?

Google agreed to a backstop totaling $1.3 billion, starting at rent commencement and amortizing over 10 years, with options to terminate or assume the lease.

What are the estimated construction costs for Abernathy?

Estimated construction cost is $8–$10 million per MW of critical IT load.

Can TeraWulf’s stake in the JV change over time?

Yes. TeraWulf targets 51% post-contribution, and Fluidstack may buy 6%–11% of total JV equity from TeraWulf during the specified post‑RFS window.

Who must fund additional capital if a partner does not contribute?

If additional capital is required, TeraWulf must fund any shortfall that the Fluidstack member elects not to contribute.
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