Seeking Alpha identifies nine undervalued energy stocks based on its Valuation Grade, focusing on companies with grades of A- or better. Led by Mach Natural Resources (MNR) and Northern Oil and Gas (NOG) with A+ grades, the list includes Alliance Resource Partners (ARLP), Plains GP Holdings (PAGP), Black Stone Minerals (BSM), Chord Energy (CHRD), Gulfport Energy (GPOR), Hess Midstream (HESM), and Par Pacific Holdings (PARR). The selection highlights attractive valuations relative to fundamentals amid key sector drivers like commodity prices and capital discipline.