The company shut the plant where she worked in 1994.
"We want to determine the best way to shut the plant down."
Advocates for shutting the plant also took heart in the state's move.
The other proposal, which would have shut the 913-megawatt plant immediately, failed with 49.4 percent of the vote.
But the state's impact statement was immediately seized upon by those who want to shut the plant down.
Part of Detroit's strategy has been to shut excess plants.
But when the recession forced the company to shut the plant in 2011, the town was unable to survive.
It had planned to shut the plant in 1996.
Con Edison said signs of a potential problem appeared several weeks ago, but were not enough to shut the plant.
Thus, to make the decision either to shut the plant or to let it operate is to be, in some circles at least, unpopular.