Units of Energy Transfer LP (NYSE: ET) have rallied 21.8% year to date compared with its industry’s growth of 20.8%. The oil and gas midstream firm owns a wide network of pipelines across the United States and is pursuing opportunities to serve growing power loads from new demand centers across its network. The firm is also a top exporter of liquefied petroleum gas and is working to expand natural gas liquids export facilities to cater to the rising demand for NGL globally. The ET stock has also outperformed its sector and the S&P 500 in the year-to-date period. Price Performance YTDImage Sour…