FERC Software Conference, June 24, 2014 An Improved Stochastic Unit Commitment Formulation to Accommodate Wind Uncertainty Canan Uckun , 1 Audun Botterud, 1 John R. Birge 2 1 Argonne National Laboratory 2 The University of Chicago cuckun@anl.gov , abotterud@anl.gov , john.birge@chicagobooth.edu