8-K

Soluna Holdings, Inc (SLNH)

8-K 2025-03-25 For: 2025-03-25
View Original
Added on April 11, 2026

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

Dateof Report (Date of earliest event reported): March 25, 2025

SOLUNA

HOLDINGS, INC.

(Exactname of Registrant as Specified in Its Charter)

Nevada 001-40261 14-1462255
(State or Other Jurisdiction<br><br> <br>of Incorporation) (Commission<br><br> <br>File Number) (IRS Employer<br><br> <br>Identification No.)
325 Washington Avenue Extension
--- ---
Albany, New York 12205
(Address of Principal Executive Offices) (Zip Code)

Registrant’sTelephone Number, Including Area Code: (516) 216-9257

N/A

(FormerName or Former Address, if Changed Since Last Report)

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:

Written<br> communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
Soliciting<br> material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
Pre-commencement<br> communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
Pre-commencement<br> 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<br> stock, par value $0.001 per share SLNH The<br> Nasdaq Stock Market LLC
9.0%<br> Series A Cumulative Perpetual Preferred Stock, par value $0.001 per share SLNHP The<br> Nasdaq Stock Market LLC

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. ☐


Item7.01 Regulation FD Disclosure.

On March 25, 2025, Soluna Holdings, Inc. (the “Company”) issued a press release containing certain previously unreported corporate and operational information which the Company publishes regularly to its website. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated by reference herein.

Theinformation in Item 7.01 and in Exhibit 99.1 will not be treated as “filed” for the purposes of Section 18 of the SecuritiesExchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section. This informationwill not be incorporated by reference into any filing under the Securities Act of 1933 or into another filing under the Exchange Act,unless that filing expressly incorporates this information by reference.

Item9.01 Financial Statements and Exhibits.

(d) Exhibits.

99.1 Press Release, dated March 25, 2025
104 Cover<br> Page Interactive Date File (embedded with the Inline XBRL document)

SIGNATURES

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

SOLUNA HOLDINGS, INC.
Date:<br> March 25, 2025 By: /s/ John Tunison
John<br> Tunison
Chief<br> Financial Officer
(principal<br> financial officer)

Exhibit99.1


SolunaPowers Up Project Dorothy 2, to Increase Bitcoin Hosting Capacity by 60% to 123 MW


Initial phase powered up and ramping; To be completed by Q4 2025.

ALBANY, NY, March 25, 2025 – Soluna Holdings, Inc. (“Soluna” or the “Company”), (NASDAQ: SLNH), a developer of green data centers for AI and other intensive computing, announced today that it has the approval from ERCOT and has successfully begun the initial energizing and phased commissioning of Project Dorothy 2, marking a significant expansion of its Bitcoin Hosting capacity,

The energization of Project Dorothy 2 represents the next phase of Soluna’s flagship Texas-based data center, designed to integrate seamlessly with renewable energy sources. The initial energization for the first 18 MW will be fully ramped in Q2 2025 and the remaining two phases totaling 30 MW will be completed by Q4 2025.

SummaryFacts on Project Dorothy 2:


Total Size: 48<br> MW
Phases: 3<br> phases at 18, 14, and 16 MW each
Date of Initial Energization: Q1<br> 2025
Anticipated Annual Revenue: $19<br> - $25mm
Estimated Date of Completion: Q4<br> 2025
Revenue source: Bitcoin<br> Hosting
Hashrate Capacity: 2.2<br> EH/s
Primary power source: Wind
Location: Silverton,<br> Texas

The facility is connected to a 150 MW wind farm, providing a scalable solution to reduce curtailment and optimize clean energy usage. This new phase brings additional computing capacity online, reinforcing Soluna’s commitment to powering high-performance computing with sustainable energy.

John Belizaire, CEO of Soluna stated, “The energization of Project Dorothy 2 builds on the success of Project Dorothy 1, demonstrating how Soluna’s approach to curtailment solutions and sustainable computing can be scaled efficiently.” He added, “As we expand our Bitcoin Hosting capacity, we continue to attract the industry’s top Hyperscaler miners with our white glove service model called Relentless Stewardship.”

KeyFeatures of Project Dorothy 2:


Additional<br> 48 MW of renewable-powered Bitcoin Hosting brings Soluna’s total capacity to 123 MW.
Strategic<br> integration with local energy infrastructure to minimize curtailment
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Optimized<br> efficiency to support Bitcoin mining workloads with reduced environmental impact
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Demonstrates<br> capability to scale data center facilities to material, 100MW+, size cost-effectively and<br> efficiently
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Soluna continues its tradition of naming its data centers after women scientists who help catalyze major innovation. Project Dorothy is named after Dorothy Vaughan, an African American mathematician and “human computer” who worked for the National Advisory Committee for Aeronautics and NASA in 1939, exemplifying innovation and excellence in computing.

For more information about Project Dorothy 2 and Soluna’s mission, visit solunacomputing.com


SafeHarbor Statement

This announcement contains forward-looking statements. These statements are made under the “safe harbor” provisions of the U.S. Private Securities Litigation Reform Act of 1995. These forward-looking statements include all statements, other than statements of historical fact, regarding our current views and assumptions with respect to future events regarding our business, our expectations with respect to the anticipated annual revenues and energization of Project Dorothy 2, including our ability to complete the energization of Project Dorothy 2 on the projected timeline or at all, and other statements that are predictive in nature. These forward-looking statements can be identified by terminology such as “will,” “expects,” “anticipates,” “future,” “intends,” “plans,” “believes,” “estimates,” “confident” and similar statements. Soluna Holdings, Inc. may also make written or oral forward-looking statements in its periodic reports to the U.S. Securities and Exchange Commission, in its annual report to shareholders, in press releases and other written materials and in oral statements made by its officers, directors or employees to third parties. Statements that are not historical facts, including but not limited to statements about Soluna’s beliefs and expectations, are forward-looking statements. Forward-looking statements involve inherent risks and uncertainties, further information regarding which is included in the Company’s filings with the Securities and Exchange Commission. All information provided in this press release is as of the date of the press release, and Soluna Holdings, Inc. undertakes no duty to update such information, except as required under applicable law.

AboutSoluna Holdings, Inc (Nasdaq: SLNH)

Soluna is on a mission to make renewable energy a global superpower using computing as a catalyst. The company designs, develops, and operates digital infrastructure that transforms surplus renewable energy into global computing resources. Soluna’s pioneering data centers are strategically co-located with wind, solar, or hydroelectric power plants to support high-performance computing applications including Bitcoin Mining, Generative AI, and other compute-intensive applications. Soluna’s proprietary software MaestroOS(™) helps energize a greener grid while delivering cost-effective and sustainable computing solutions, and superior returns. To learn more visit solunacomputing.com and follow us on:

LinkedIn: https://www.linkedin.com/company/solunaholdings/

X (formerly Twitter): x.com/solunaholdings

YouTube: youtube.com/c/solunacomputing

Newsletter: bit.ly/solunasubscribe

Resource Center: solunacomputing.com/resources

ContactInformation

Cybele Ramirez

Director, Marketing

Soluna Holdings, Inc.

ir@soluna.io