[mlive.com] Developers are proposing more than 3,000 megawatts of wind power in Michigan, an amount – at more than 1,000 times larger than existing capacity – that could push the state’s lagging transmission capacity to center stage. Currently, the state has three wind farms operating – in the Thumb, in Mackinaw City and in Traverse City – with a 32-unit wind farm under construction in the Thumb. Michigan ranks 14th among states for potential wind energy capacity at 7,460 megawatts, according to the American Wind Energy Association.