Key Points MPLX generates more than enough stable cash flow to cover its big-time payout. It has very conservative financial metrics. The MLP has a very healthy growth profile. 10 stocks we like better than MPLX › The energy sector is an attractive spot for income investors these days. It offers the S&P 500's (SNPINDEX: ^GSPC) highest average dividend yield at about 3.4% -- nearly triple the index's average of less than 1.2%. Many energy stocks offer even higher dividend yields, appealing to inv ...