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Montana-Dakota Utilities buys North Dakota wind farm

An old windmill stands in a field northeast of Hettinger as a wind tower, part of the Thunder Spirit Wind Farm, to its northwest. Forum News Service file photo

DULUTH - Montana-Dakota Utilities has purchased a southwestern North Dakota wind farm for $84 million on Wednesday, Oct. 31.

The 48-megawatt facility near Hettinger, N.D., the second phase of project Thunder Spirit, was sold to Montana-Dakota Utilities by Allete Clean Energy, a subsidiary of Duluth-based Allete. Montana-Dakota Utilities will now operate the wind farm, according to a news release Wednesday.

In 2015, Allete Clean Energy built and sold the project’s 107-megawatt first phase to Montana-Dakota Utilities for $200 million.

Between the two phases, Thunder Spirit has reached its 155-megawatt permitted capacity.

In total, Thunder Spirit’s 69 turbines can power 45,000 homes.

Allete Clean Energy also owns Minnesota Power and Superior Water, Light and Power. The company owns and operates wind farms in Minnesota, Iowa, Oregon and Pennsylvania and is building another wind farm in North Dakota to provide power to Xcel Energy.

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