The average utility is yielding 2.7%; this duo is yielding well north of that figure and each sells for less than $200 a share. The utility sector has had a very good run, with the Utilities Select Sector SPDR ETF (XLU -0.89%) up roughly 35% over the past year. Utilities have actually done just a little better than the S&P 500 index over that span. That's good news for utility investors who bought a year ago, but if you are an income investor looking at utilities now, there's a small problem. The sector is ...