TTF Rises to 43.72 Euros Per MWh as European Gas Storage Falls 8.6 Points Below Last Year, Winter Supply Risk Mounts

European natural gas prices rose on Tuesday as below-normal storage levels and heat wave demand pressured the benchmark TTF contract. TTF front-month futures were trading at 43.72 euros per MWh, up 2.11 percent from Monday's close, per Trading Economics data reflecting ICE market prices on June 30, 2026. The price sits 29 percent above the same date in 2025, reflecting supply disruptions caused by Strait of Hormuz tanker incidents earlier in the year.

European gas storage facilities were 42.79 percent filled as of June 9, 2026, per Gas Infrastructure Europe AGSI monitoring data compiled by IndexBox. On the same date in 2025, the fill level was 51.4 percent. The 8.6 percentage-point lag leaves Europe entering peak summer injection season with the thinnest buffer in over a decade. Storage has been rising on summer injection flows, with Trading Economics estimating fill levels near 48 percent in late June, but the deficit against last year persists.

Heat Wave Competing With Injection Season

Higher temperatures across Europe are pulling gas into power generation to meet air conditioning demand, per Trading Economics. Gas that would ordinarily flow into underground storage is instead dispatched to gas-fired electricity plants. The timing works against the injection window, which runs from April through October. Independent analysts cited by IndexBox project storage filling to only 70 percent by October, well below European authorities' 80 percent target and the 90-plus percent Europe typically carries into winter heating season.

US LNG Spread: $11.32 Per MMBtu and $199 Million Per Day

Henry Hub natural gas futures traded at $3.28 per MMBtu on Tuesday, up 3.18 percent on the day, per CME Group data via Trading Economics. Converting TTF to dollars at the June 30, 2026 EUR/USD rate of 1.1394, and applying the standard 3.412 MMBtu per MWh conversion, yields $14.60 per MMBtu. The resulting Henry Hub-to-TTF spread stands at $11.32 per MMBtu, a differential that incentivizes maximum LNG loading at US Gulf Coast export terminals.

Average daily flows to US LNG export terminals reached 17.3 billion cubic feet per day in June, per the US Energy Information Administration. At $11.32 per MMBtu spread across 17.3 Bcf per day, the gross daily spread value for the US export fleet amounts to $199 million, before deducting liquefaction, ocean shipping, and European regasification costs. Industry benchmarks typically put those combined costs at $3 to $5 per MMBtu, leaving net margins in the $6 to $8 range per MMBtu at current prices. US production held near 109.7 Bcf per day through June, per EIA data, meaning exports represent roughly 16 percent of domestic output directed at global buyers.

How the May Supply Gap Happened

Persian Gulf LNG shipments to Europe dropped roughly 9 billion cubic meters in May 2026 following Strait of Hormuz tanker incidents, per IndexBox analysis. Alternative Atlantic Basin cargoes covered about 90 percent of that shortfall. The remaining deficit, compounded over several weeks of below-average injection, pulled European storage fill rates below historical norms for this time of year. Standard Chartered analysts warned earlier in 2026 that TTF could spike above 80 euros per MWh if Middle East supply disruptions continued into the summer injection window, citing damage to Qatar's Ras Laffan hub that the bank estimated would weigh on LNG supply for three to five years.

Competing Forecasts for Winter 2026

Not all analysts share the most bearish view. Bloomberg's Javier Blas argued in June that Europe has sufficient gas to avoid a severe price spike, even if the injection season closes below target. European Commission officials have said storage could reach 80 percent by early November, supported by expanded US and Canadian LNG export capacity coming online through 2026.

Standard Chartered's forecast extends elevated TTF pricing through 2028, based on permanent reductions to Qatar's Ras Laffan output capacity. ABN AMRO's 2026 Energy Market Outlook projected European gas price stabilization as new Atlantic Basin LNG supply fills the gap left by Gulf disruptions. Those two scenarios diverge by a factor of nearly two on winter TTF pricing, making the pace of storage filling between now and October the central variable for European energy markets.