Public Service Enterprise Group's (PEG) future success will be driven by its improving nuclear operations, successful foray into alternative energy sources, the impact of the gas and electric rate settlement, and an ongoing share repurchase program.  Management also sold all of its international assets and diverted the proceeds to reduce debt and capital expansion plans, to focus on growth opportunities in the core U.S. market. The company has also embarked on a $1.6 billion capital expenditures program for new transmission facilities spread over the next five to eight years.However, the rising cost of coal, higher pension and financial costs, the IRS challenging certain leveraged leases and power-price volatility may partially offset the stock's upside potential.Looking ahead over the next six months, we expect the stock to generate moderate positive returns for shareholders driven by the ongoing share repurchase program, cash ...