Midstream operators aren't flashy, but they crank out dependable cash flow, fund generous distribution payouts, and are set to benefit from surging demand for natural gas tied to artificial intelligence (AI), data centers, and liquid natural gas (LNG) exports.Here are five high-yield stocks with growing distributions that also have solid upside potential.Energy Transfer (yield: 7.4%)Energy Transfer (ET 0.11%) has a hefty 7.4% yield that's well covered by its distributable cash flow -- operating cash flow mi ...