EX-21 8 exhibit2112-31x2021.htm EX-21
Exhibit 21
SUBSIDIARIES OF THE REGISTRANT
As of December 31, 2021

Name of Organization (a) | State or Country
ALLETE, Inc. (d/b/a ALLETE; Minnesota Power; Minnesota Power, Inc.; | Minnesota
Minnesota Power & Light Company) |
ALLETE Automotive Services, LLC | Minnesota
ALLETE Enterprises, Inc. | Minnesota
ALLETE Clean Energy, Inc. | Minnesota
ACE O&M, LLC | Delaware
ACE Solar LLC | Delaware
ACE Wind LLC | Delaware
ACE Mid-West Holdings, LLC | Delaware
ACE Gopher Holdings, LLC | Delaware
ACE Lincoln Heights Holdings, LLC | Delaware
Cisco Holdings, LLC | Delaware
MWW Holdings, LLC | Delaware
Lake Benton Power Associates LLC | Delaware
Lake Benton Holdings LLC | Delaware
Lake Benton Power Partners L.L.C. | Delaware
Storm Lake Power Partners I LLC | Delaware
Storm Lake II Power Associates LLC | Delaware
Storm Lake II Holdings LLC | Delaware
Storm Lake Power Partners II LLC | Delaware
Northern Wind Energy, LLC | Delaware
Chanarambie Power Partners, LLC | Delaware
Viking Wind Holdings, LLC | Delaware
Red Barn Energy, LLC | Minnesota
Rock Aetna Power Partners, LLC | Minnesota
Whitetail Wind, LLC | Minnesota
ACE South Holdings, LLC | Delaware
ACE Caddo Class B LLC | Delaware
ACE-SRE Caddo Holdings, LLC | Delaware
Caddo Holding Company, LLC | Delaware
Caddo Wind, LLC | Delaware
Diamond Spring QOZB, LLC | Delaware
ACE DS Class B LLC | Delaware
Diamond Spring, LLC | Delaware
ACE West Holdings, LLC | Delaware
ACE GAWW Class B LLC | Delaware
Great American West Wind, LLC | Delaware
Glen Ullin Energy Center, LLC | Delaware
South Peak Wind LLC | Delaware
Condon Wind Power, LLC | Delaware
Ruso Wind Partners, LLC | Delaware
Armenia Holdings, LLC | Delaware
AMW I Holding, LLC | Delaware
Armenia Mountain Wind, LLC | Delaware
Armenia Mountain Wind II, LLC | Delaware
Thunder Spirit Wind, LLC | Delaware
ALLETE Enterprises QOF, LLC | Delaware
ALLETE Power Systems, Inc. | Minnesota

Exhibit 21
(a) Certain insignificant subsidiaries are omitted.

Name of Organization (a) | State or Country
ALLETE Renewable Resources, Inc. | North Dakota
ALLETE Transmission Holdings, Inc. | Wisconsin
ASW Partners, LLC | Delaware
ALLETE South Wind, LLC | Delaware
Nobles 2 Power Partners, LLC | Delaware
BNI Energy, Inc. | North Dakota
BNI Coal, Ltd. | North Dakota
MP Affiliate Resources, Inc. | Minnesota
Rainy River Energy Corporation | Minnesota
South Shore Energy, LLC | Wisconsin
Upper Minnesota Properties, Inc. | Minnesota
Upper Minnesota Properties - Development, Inc. | Minnesota
ALLETE Properties, LLC (d/b/a ALLETE Properties) | Minnesota
ALLETE Commercial, LLC | Florida
Lehigh Acquisition, LLC | Delaware
Florida Landmark Communities, LLC | Florida
ALLETE Water Services, Inc. | Minnesota
Energy Land, Incorporated | Wisconsin
MP Investments, Inc. | Delaware
RendField Land Company, Inc. | Minnesota
Superior Water, Light and Power Company | Wisconsin

(a)Certain insignificant subsidiaries are omitted.