Exhibit 21

Exhibit 21

SUBSIDIARIES OF THE REGISTRANT

(As of December 31, 2010)

(Reported Under Item 601 of Regulation S-K)

                                                                                                                                         State or Country

Name                                                                                                                                                                                                                                                                                                   of Organization

ALLETE, Inc. (d.b.a. ALLETE; Minnesota Power; Minnesota Power, Inc.;						Minnesota
	Minnesota Power & Light Company; MPEX; MPEX A Division of Minnesota Power)
	ALLETE Automotive Services, LLC					Minnesota
	ALLETE Capital II					Delaware
	ALLETE Capital III					Delaware
	ALLETE Properties, LLC (d.b.a. ALLETE Properties)					Minnesota
		ALLETE Commercial, LLC				Florida
		Cape Coral Holdings, Inc.				Florida
		Lake Swamp, LLC				Florida
		Lehigh Acquisition Corporation				Delaware
				Florida Landmark Communities, LLC		Florida
					Lehigh Corporation	Florida
					Mardem, LLC
					Palm Coast Holdings, Inc.	Florida
					Port Orange Holdings, LLC	Florida
				Interlachen Lakes Estates, LLC		Florida
		Palm Coast Land, LLC				Florida
		Tomoka Holdings, LLC				Florida
	ALLETE Water Services, Inc.					Minnesota
		Florida Water Services Corporation				Florida
			Energy Replacement Property, LLC			Minnesota
		Georgia Water Services Corporation				Georgia
	Energy Land, Incorporated					Wisconsin
	Lakeview Financial Corporation I					Minnesota
	Lakeview Financial Corporation II					Minnesota
		Logistics Coal, LLC				Minnesota
	Minnesota Power Enterprises, Inc.					Minnesota
		ALLETE Renewable Resources, Inc.
		BNI Coal, Ltd.				North Dakota
		MP Affiliate Resources, Inc.				Minnesota
		Rainy River Energy Corporation				Minnesota
		Rainy River Energy Corporation - Wisconsin				Wisconsin
		Synertec, Incorporated				Minnesota
		Upper Minnesota Properties, Inc.				Minnesota
				Upper Minnesota Properties - Development, Inc.		Minnesota
				Upper Minnesota Properties - Irving, Inc.		Minnesota
				Upper Minnesota Properties - Meadowlands, Inc.		Minnesota
	MP Investments, Inc.					Delaware
	RendField Land Company, Inc.					Minnesota
	Superior Water, Light and Power Company					Wisconsin