EX-21 5 exhibit21-subsidiariesofso.htm EX-21
SUBSIDIARIES OF SOLUNA HOLDINGS, INC.

Subsidiary Name |  | Jurisdiction of Incorporation or Organization
Soluna Callisto Holdings, Inc. |  | Delaware
Soluna Digital, Inc. |  | Nevada
Soluna Global Services, Inc. |  | Nevada
Soluna Cloud, Inc. |  | Nevada
Soluna Energy, Inc. Soluna HPC, Inc. Soluna Wind Holdings, Inc. |  | Nevada

SUBSIDIARIES OF SOLUNA DIGITAL, INC.

Subsidiary Name |  | Jurisdiction of Incorporation or Organization
Soluna MC, LLC |  | Nevada
Soluna SW Holdings, LLC |  | Delaware
Soluna DV ComputeCo, LLC |  | Delaware
Soluna DVSL JVCo, LLC |  | Nevada
SDI SL Borrowing - 1, LLC |  | Nevada
Soluna DVSL II JVCo, LLC |  | Delaware
Soluna KKSL JVCo, LLC Soluna DV Devco, LLC |  | Nevada

SUBSIDIARIES OF SOLUNA SW HOLDINGS, LLC

Subsidiary Name |  | Jurisdiction of Incorporation or Organization
Soluna SW, LLC |  | Delaware

SUBSIDIARIES OF SOLUNA MC, LLC

Subsidiary Name |  | Jurisdiction of Incorporation or Organization
Soluna MC Borrowings, LLC 2021-1 |  | Delaware

SUBSIDIARIES OF DVSL JVCo, LLC

Subsidiary Name |  | Jurisdiction of Incorporation or Organization
Soluna DVSL HoldCo, LLC |  | Delaware

SUBSIDIARIES OF SOLUNA DVSL HoldCo, LLC

Subsidiary Name |  | Jurisdiction of Incorporation or Organization
Soluna DVSL ComputeCo, LLC |  | Delaware

SUBSIDIARIES OF SOLUNA DVSL II JVCo, LLC

Subsidiary Name |  | Jurisdiction of Incorporation or Organization
Soluna DVSL II HoldCo, LLC |  | Delaware

SUBSIDIARIES OF SOLUNA DVSL II HoldCo, LLC

Subsidiary Name |  | Jurisdiction of Incorporation or Organization
Soluna DVSL II ComputeCo, LLC |  | Delaware

SUBSIDIARIES OF SOLUNA KKSL JVCo, LLC

Subsidiary Name |  | Jurisdiction of Incorporation or Organization
Soluna KKSL HoldCo, LLC |  | Delaware

SUBSIDIARIES OF SOLUNA KKSL HoldCo, LLC

Subsidiary Name |  | Jurisdiction of Incorporation or Organization
Soluna KK I ComputeCo, LLC |  | Delaware

SUBSIDIARIES OF SOLUNA ENERGY, INC.

Subsidiary Name |  | Jurisdiction of Incorporation or Organization
Soluna KK Energy HoldCo, LLC Soluna DV Energy HoldCo, LLC Soluna HL Energy ServiceCo, LLC Soluna EO Energy ServiceCo, LLC |  | Nevada

SUBSIDIARIES OF KK ENERGY HOLDCO, LLC

Subsidiary Name |  | Jurisdiction of Incorporation or Organization
Soluna KK Energy ServiceCo, LLC |  | Delaware

SUBSIDIARIES OF DV ENERGY HOLDCO, LLC

Subsidiary Name |  | Jurisdiction of Incorporation or Organization
Soluna DV Services, LLC |  | Delaware

SUBSIDIARIES OF SOLUNA GLOBAL SERVICES, INC.

Subsidiary Name |  | Jurisdiction of Incorporation or Organization
Soluna EPC Services, LLC |  | Nevada
Soluna US Services, LLC |  | Nevada
Soluna EPC Services II , LLC |  | Nevada

SUBSIDIARIES OF SOLUNA HPC, INC.

Subsidiary Name |  | Jurisdiction of Incorporation or Organization
Soluna KK II HPC ComputeCo, LLC |  | Nevada

SUBSIDIARIES OF SOLUNA WIND HOLDINGS, INC.

Subsidiary Name |  | Jurisdiction of Incorporation or Organization
Soluna DV Wind JVCo, LLC Soluna DV Wind Holdco, LLC Soluna DV Wind SponsorCo, LLC |  | Nevada

SUBSIDIARIES OF SOLUNA CLOUD, INC.

Subsidiary Name |  | Jurisdiction of Incorporation or Organization
Soluna AL CloudCo, LLC Soluna GH CloudCo, LLC |  | Delaware