Xcel Energy reported first quarter 2008 earnings per share of $0.35, up from $0.28 in the first quarter of 2007. Higher electric and natural gas margins contributed to the increased earnings. Total operating and maintenance expenses were $15 million higher in the first quarter of 2008 compared to the same period in 2007, largely due to higher fuel and contract labor costs. The presentation provides guidance of $1.45 to $1.55 EPS for 2008.