By Tom Kleckner Xcel Energy last week reported fourth-quarter earnings of $189 million ($0.37/share), down 16.7% from the same period last year. But for the year, the Minneapolis-based company reported earnings of $1.15 billion ($2.25/share), up from $1.12 billion ($2.21/share) in 2016. Colorado wind farm | Xcel Energy Both quarterly...