Energy prices in the US climbed by 2.8% year-on-year in September 2025, the steepest increase since May 2024, after a 0.2% rise in the prior month. Fuel oil prices rebounded sharply (4.1% vs. -0.5% in August), while increases for utility piped gas (11.7% vs. 13.8%) and electricity (5.1% vs. 6.2%) remained strong. Meanwhile, gasoline prices edged down just 0.5%, compared with a 6.6% drop previously, indicating a sharp slowdown in the pace of decline. On a monthly basis, energy prices advanced by 1.5%, following a 0.7% increase in the prior month.