The Energy Buyer's Guide | 09.15.2025
Natural gas slides below $3 per MMBtu despite impending late-summer heat wave.
- October NYMEX settled at $2.94, slipping $0.11 to close below $3; Winter ’25–26 and Summer ’26 held steady near $3.70 per MMBtu.
- Storage inventories climbed 71 Bcf, narrowing the year-on-year deficit to 38 Bcf and pushing the surplus to the five-year norm above 180 Bcf.
- Real-time power prices firmed in most markets, with PJM and MISO up over $3 per MWh, while CAISO tumbled $13 after briefly topping $50.
- Spot gas prices advanced across all regions, with the East leading on a $0.33 gain, pushing back above $2 per MMBtu on average for the week.
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