Question:  Hennepin Island Hydroelectric Plant is currently operated by this utility holding company based where

Context paragraphs:
Deep Creek Dam: The Deep Creek Dam located about 8 miles north of Oakland, Maryland, consists of an earth and rockwall dam across a tributary of the Youghiogheny River that was completed in 1925 by the Pennsylvania Electric Company.  Construction of the dam created the Deep Creek Lake.  The twin water turbine 20 MW hydroelectric plant, acquired by Brookfield Renewable Power, Inc., in 2005, became operational in 1928.  The Federal Energy Regulatory Commission licensed the dam and hydroelectric plant in 1968, but released the licensing to Maryland effective 1994.  Under a 1994 agreement with the Maryland Department of Natural Resources, the dam is operated to control waterflows to maintain the river temperature and dissolved oxygen levels to assist downstream fisheries with the intent of increasing the number of trout as well as to enable recreational whitewater activities (kayaking, canoeing, and commercial rafting) on the Upper Youghiogheny River into which the dam releases.  The Maryland Department of the Environment water appropriations permit under which the dam operates, which is renewable, will expire on January 1, 2018.

North American Co. v. SEC: North American Co. v. Securities and Exchange Commission, 327 U.S. 686 (1946), is a United States Supreme Court case holding that a Securities and Exchange Commission (SEC) order under the Public Utility Holding Company Act (PUHCA) directing a public utility holding company to divest its securities of all companies except for one electric company did not violate the Commerce Clause or the Fifth Amendment to the United States Constitution.

Xcel Energy: Xcel Energy Inc. is a utility holding company based in Minneapolis, Minnesota, serving more than 3.3 million electric customers and 1.8 million natural gas customers in Minnesota, Michigan, Wisconsin, North Dakota, South Dakota, Colorado, Texas and New Mexico.  It consists of four operating subsidiaries: Northern States Power-Minnesota, Northern States Power-Wisconsin, Public Service Company of Colorado, and Southwestern Public Service Co.

Ohashi Dam: Ohashi Dam (Japanese: 大橋ダム ) is a dam built on the Yoshino River in Agawa District, Kōchi Prefecture of Japan.  This concrete dam 73.5m high.  It is a hydroelectric dam of the Shikoku Electric Power Company.  It supplies water to the company's hydroelectric plant, Ohashi Power Station, which can produce up to 5,500kW.  It is the lower reservoir for a pumped-storage hydroelectric plant.  The upper reservoir being Inamura Dam.  Water flowing between these two can produce up to 615MW.  It is a public works which The Japan Society of Civil Engineers has recommended as a site of Public Works Heritage.

TECO Energy: TECO Energy Inc. is an energy-related holding company based in Tampa, Florida, providing electricity to the greater Tampa area and central Florida, and natural gas throughout the state of Florida through its subsidiaries Tampa Electric Company and Peoples Gas Company respectively.  Another subsidiary, TECO Services, Inc., provides IT, HR, legal, facilities, and other common services to Tampa Electric, Peoples Gas, and former TECO subsidiary New Mexico Gas Company.  On September 4, 2015, Emera, a utility holding company based in Halifax, Nova Scotia, Canada, announced the pending acquisition of TECO Energy.  That purchase closed on July 1, 2016, and TECO Energy, Inc. is now a wholly owned subsidiary of Emera, Inc.

Southern Company: Southern Company is an American gas and electric utility holding company based in the southern United States.  It is headquartered in Atlanta, Georgia, with executive offices also located in Birmingham, Alabama.  The company is currently the second largest utility company in the U.S., in terms of customer base.  Through its subsidiaries it serves 9 million gas and electric utility customers in nine states.  Southern Company’s regulated regional electric utilities serve a 120000 sqmi territory with 27000 mi of distribution lines.

Hennepin Island Hydroelectric Plant: The Hennepin Island Hydroelectric Plant also known as the St. Anthony Hydro Plant, sits on the site of early sawmills at St. Anthony Falls in Minneapolis, Minnesota.  The current structure was built for electric power in 1882.  It is currently operated by Xcel Energy.  The facility stands on the east bank of the Mississippi River near the Pillsbury "A" Mill at Saint Anthony Falls, the river's only waterfall, which powered the city's early sawmills, grist mills and other industry.  Today, the hydroelectric plant is the only industrial draw on the falls' power.  Five generating units produce 2.4 or 2.5 megawatts each for a total of 12 megawatts.

Rapide-Blanc Generating Station: The Rapide-Blanc Generating Station is a hydroelectric plant, including a reservoir, a dam and hydroelectric plant, located on the Saint-Maurice River about 60 km north of the city of La Tuque, in Quebec, in Canada.  Built between 1930 and 1934 by Shawinigan Water & Power Company, it is the third built on this river from upstream plant.  The plant is operated by Hydro-Québec since it was acquired from SWP in 1963, as part of the .  The plant has a rated power of 204 MW .

Spire Inc: Spire Inc. () is a public utility holding company based in St. Louis, Missouri, providing natural gas service through its regulated core utility operations while engaging in non-regulated activities that provide business opportunities.  Its primary subsidiary Laclede Gas Company is the largest natural gas distribution utility in Missouri, serving approximately 631,000 residential, commercial and industrial customers in the City of St. Louis and ten counties in eastern Missouri.  Its corporate headquarters is located in the 700 Market building in downtown St. Louis.

Public Utility Holding Company Act of 1935: The Public Utility Holding Company Act of 1935 (PUHCA), also known as the Wheeler-Rayburn Act, was a law that was passed by the United States Congress to facilitate regulation of electric utilities, by either limiting their operations to a single state, and thus subjecting them to effective state regulation, or forcing divestitures so that each became a single integrated system serving a limited geographic area.  Another purpose of PUHCA was to keep utility holding companies that were engaged in regulated businesses from engaging in unregulated businesses.

Supporting paragraphs: Hennepin Island Hydroelectric Plant Xcel Energy
Answer: Minneapolis, Minnesota