The company proposing to build the $700 million natural gas plant in Superior has made changes to their plans - to address concerns raised by Wisconsin regulators last year.  Minnesota Power and Dairyland Power - the partners of the plant - announced that they will use air instead of water to cool the operations.  The change addresses concerns that the high-volume of water needed to water-cool the facility could deplete nearby wells.

Initially - right after the concerns about nearby wells was raised, Minnesota Power and Dairyland Power suggested that the facility could use municipal water from the City of Superior or tap into water available from Lake Superior.  Using air would alleviate any need for use of water in a cooling capacity.

The Wisconsin Public Service Commission approved the plant in January.  A month later, environmental groups sued over the action.

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