xcel energy 7_16 PSCO 20071Q10Q

- The document is a Form 10-Q quarterly report filed by Public Service Company of Colorado (PSCo) with the Securities and Exchange Commission for the quarter ended March 31, 2007. - It includes unaudited financial statements and notes, including the consolidated statements of income, cash flows, and balance sheets for the quarters ended March 31, 2007 and 2006. - It provides key financial information on PSCo's operating revenues and expenses, assets, liabilities, and equity for the reported periods.