Heatwave Meets Solar Eclipse: European Natural Gas Prices Approach Iran War Highs
Nashnova编辑部
Europe's benchmark TTF gas contract breached €62/MWh intraday, approaching the highest level since the Iran war began; a heatwave, nuclear-plant curtailments, a Norwegian field outage, and an eclipse-driven solar dip are converging on an already tight supply picture.
Where does the price stand now?
TTF briefly topped €62/MWh on Tuesday, within striking distance of the €63 high set on July 24 — the highest since January 2023.
Monday's close was €60.85/MWh; prices eased slightly after fresh hopes for US-Iran talks.
This means → the market is sitting just below its post-Iran-war ceiling, and any new supply disruption could push it to a fresh record.
Why has gas kept climbing?
A prolonged heatwave is driving up cooling demand. Several nuclear and coal plants have cut output because river water is too warm or too low, shifting the generation burden to gas-fired units.
Wood Mackenzie estimates western European gas-for-power burn in July ran roughly 714 million cubic metres above normal; August figures are tracking similarly, both above the five-year average.
Norwegian pipeline operator Gassco said Shell's Ormen Lange offshore field will stay on reduced output longer than planned due to a technical fault.
In plain terms = not enough electricity means more gas gets burned, and a field outage shrinks supply at the same time — demand up, supply down, price follows.
How will the eclipse affect the power market?
Wednesday's total solar eclipse is expected to cut European solar output by roughly 9.7 GW over several evening hours, according to French grid operator RTE.
Germany's day-ahead power price for the 7:45–8:00 pm slot on Wednesday settled at €461.17/MWh — about €200 above the same slot on Tuesday.
Montel Analytics specialist Vincent Thevenin noted: "Unlike cloud cover, an eclipse is highly predictable — grid operators can prepare — but day-ahead prices already clearly reflect the impact."
Why is the global supply side so fragile?
Strait of Hormuz shipping remains disrupted; Qatari LNG output is constrained by the Iran conflict. European gas inventories sit at low levels.
Romania's Cernavodă nuclear plant may shut its second reactor on Thursday — the first unit already went offline on July 31 — because Danube water levels are too low.
Natasha Fielding, head of power-fuel pricing at Argus, said: "In the current environment, even small shifts in supply and demand have an outsized impact on price."
This reflects a market no longer pricing individual events but paying a premium for systemic supply-chain fragility.
What should we watch next?
The key variable: whether gas prices can find a new equilibrium between US-Iran negotiation expectations and continued supply-side tightening.
If talks yield real progress and Hormuz shipping pressure eases, prices have room to pull back; otherwise, breaching the €63 record high is a matter of time.
This means → over the coming weeks, geopolitical signals and weather forecasts carry equal weight — deterioration on either front could push prices to the next level.
Content is for reference only, not financial advice.