DTE Energy, the parent company of Michigan’s largest utility Detroit Edison, is not planning to partner with a developer to build the Thumb Wind Projects, a DTE executive tells G.E.R. Making up the Thumb Projects are the Minden, Sigel and McKinley wind farms, which are slated to go commercial in 2013.

For its other major wind project, the 200-megawatt Gratiot County Wind Park, slated to go live early next year, DTE Energy partnered with Chicago-based Invenergy, which initially developed the plant and continues to own a stake in the facility. DTE is also the long-term offtaker of the plant’s electricity.

Combined Gratiot and Thumb are expected to cost $500 million to build. DTE plans to fund the two projects from its balance sheet, says the DTE executive.