Economy & Finance GPI2006AR_Form10K

1. /////// //// //// 2. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K¥ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES…

Economy & Finance GPI2006AR_Form10K

1. /////// //// //// 2. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K¥ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES…

Economy & Finance xcel energy 2007 PSCo10-K

1. UNITED STATESSECURITIES AND EXCHANGE COMMISSIONWashington, D.C. 20549FORM 10-K (Mark One) ⌧ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE…

Economy & Finance xcel energy 2007 PSCo10-K

1. UNITED STATESSECURITIES AND EXCHANGE COMMISSIONWashington, D.C. 20549FORM 10-K (Mark One) ⌧ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE…