This is an interesting link summarizing where the states are on creating Health Insurance Exchanges:
State Action Toward Creating Health Insurance Exchanges, as of November 14, 2012
At this point:
- 16 Established State Exchange: WA, OR, CA, NV, UT, CO, KY, WV, MD, NY, VT, MA, RI, CT, DC, HI
- 4 Planning for Partnership Exchange: MI, IL, AR, DE
- 13 Studying Options
- 4 No Significant Activity
- 14 Decision Not to Create State Exchange
There are numerous footnotes under the grid, with more specifics per state.