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● LIVE DATA · UPDATED 20 SEP 2026
LIVE TRACKER — UPDATED 20 SEP 2026

EU Gas Storage Tracker: Winter 2026/27 Readiness

Live EU gas storage by country, measured against the year-ago base, the five-year average and the fill level Europe needs before withdrawal season — refreshed automatically from GIE AGSI+.

LIVE FEED CONNECTEDUPDATED: 20 Sep 2026SOURCE: GIE AGSI+GAS DAY: 18 Sep 2026
THE SHORT ANSWER

As of 18 Sep 2026, EU gas storage is 69.3% fullbelow the 81.2% recorded a year earlier (gas day 18 Sep 2025) and 15.9 points under the five-year average for this date (85.2%, 2021-2025 band), below the five-year minimum. To reach a 90% target by 1 November, Europe must add about 21 percentage points in the 41 days remaining. On the current base, winter readiness reads watch. This page updates automatically as new gas-day data publishes.

EU Storage
69.3%
full · 18 Sep 2026 · AGSI+
Gas in Storage
784 TWh
of 1132 TWh capacity
Gap to 90%
21 pts
41 days to 1 Nov
Winter Readiness
Watch
on current base
01 — Live Storage by Country

EU gas storage fullness, by country

CountryFillFull
EU aggregate
69.3%
Germany
56.3%
Italy
85.3%
France
79.1%
Netherlands
54.5%
Austria
67.4%
United Kingdom
31.4%est. · 29% coverage
SOURCE: GIE AGSI+ · gas day 18 Sep 2026 · 784 TWh of 1132 TWh
02 — How This Compares

Below last year and below the five-year average

Now
69.3%
18 Sep 2026 · AGSI+
A Year Earlier
81.2%
now 11.9 pts below · GIE AGSI+ via Voltstack history, gas day 18 Sep 2025
Vs 5-Year Average
15.9 pts below
avg 85.2% · five-year band 2021-2025 for 18 Sep · min 71.5%, max 94.0%
Storage Target
~80–90%
by 1 Nov · EU regulation

Europe is refilling from an unusually low base. After a colder, longer 2025/26 withdrawal season, the continent entered spring well below recent norms and has been climbing slowly since. The EU's storage-filling rules — originally a strict 90%-by-1-November target — have been softened in 2026 toward a more flexible band (broadly 80%+ with a wider window) so buyers are not forced to chase summer price peaks. That eases the optics, but it does not change the physics: the lower the November starting point, the more winter demand has to be met by imports in real time.

SOURCES: GIE AGSI+ · European Commission (storage regulation)
03 — Winter Readiness Assessment

Will Europe have enough gas this winter?

The honest answer for 2026/27: probably yes for supply security, but at a price. Storage is a buffer, not the whole supply — even a low November fill can be managed if LNG keeps flowing and the winter is mild. The risk is the combination: a low starting base (69%, below the five-year minimum for 18 Sep), reduced Russian pipeline and LNG flows, and heavy reliance on flexible US and Qatari LNG that competes with Asian demand. Any two of those landing together is what turns a manageable winter into a price spike.

  • Base case (mild winter, steady LNG): storage covers the peak; prices elevated but orderly.
  • Stress case (cold snap + LNG diversion to Asia): rapid withdrawals, TTF spikes, and power prices follow gas up.
  • The swing factor: how high the November fill actually lands — every extra point of storage is a day of buffer.
SOURCES: GIE AGSI+/ALSI · IEA Gas Market Report · ENTSOG
04 — What Drives the Refill

The levers that move the storage line

  • LNG send-out. Regasified LNG is the marginal supply that fills the gap pipeline gas no longer covers; watch terminal send-out and the EU-Asia price spread.
  • Injection economics. Buyers inject when the summer–winter spread pays for it; a flat spread slows the refill regardless of the calendar.
  • Pipeline flows. Norway, Algeria, TAP and TurkStream set the baseline; outages move storage fast.
  • Power-sector gas demand. Hot, low-wind spells pull gas into power generation and compete with injection.

Voltstack tracks all four live — AGSI+ storage, ALSI LNG send-out, ENTSOG pipeline flows and ENTSO-E power demand — in one workspace.

05 — Frequently Asked Questions

Quick answers

How full is EU gas storage right now?
EU gas storage is 69.3% full as of 18 Sep 2026 (source: GIE AGSI+), 11.9 points below the 81.2% recorded a year earlier (gas day 18 Sep 2025) and 15.9 points under the five-year average for this date (85.2%, 2021-2025 band, via Voltstack history).
Is EU gas storage low for 2026?
Yes, relative to recent years. At 69.3% it is 11.9 points under the year-ago level (gas day 18 Sep 2025) and 15.9 points under the five-year average for 18 Sep, below the five-year minimum, so the refill is running from a thin base.
Will Europe have enough gas this winter 2026/27?
For supply security, most likely yes if LNG keeps flowing and the winter is mild — storage is a buffer alongside live imports. The real risk is price: a low November fill plus a cold snap or LNG diverting to Asia can spike TTF and, through it, power prices.
What is the EU gas storage target?
The EU has run a storage-filling rule targeting roughly 90% by 1 November; in 2026 it was softened toward a more flexible band (broadly 80%+ with a wider window) to avoid forcing purchases at summer price peaks.
Where does this storage data come from?
Gas Infrastructure Europe's AGSI+ transparency platform, the official daily source for European gas storage fullness and volumes. This tracker reads it live and updates automatically.
Cite This Data

Free to reproduce with credit

Journalists, analysts and researchers may reproduce any figure or chart from this tracker with a credit to Voltstack and a link to this page. GIE (AGSI+) must be credited as the underlying storage data source. Suggested citation:

EU gas storage stood at 69.3% of capacity (20 Sep 2026). Source: Voltstack Intelligence, EU Gas Storage Tracker, data from GIE AGSI+. https://voltstack.energy/insights/eu-gas-storage-tracker-winter-2026

Need a custom cut — a specific country, date range or chart format — for a story or report? Email research@voltstack.energy and we will turn it around same day.

Voltstack Analytics

Track storage, LNG and flows together

Voltstack Analytics puts AGSI+ storage, ALSI LNG send-out, ENTSOG pipeline flows and ENTSO-E power demand on one screen, so you can see the whole European gas balance — supply, storage and burn — update live, on the official feeds.

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Disclaimer: This tracker is produced by Voltstack Intelligence for informational purposes only and does not constitute investment advice. Live storage figures are pulled from GIE AGSI+ and may be revised by the source; comparative and target figures are dated to their references. Readiness labels are heuristic, not a forecast. Corrections to research@voltstack.energy.

Sources: GIE AGSI+ / ALSI, ENTSOG, ENTSO-E, IEA Gas Market Report, European Commission (gas storage regulation).

VOLTSTACK INTELLIGENCE · LIVE TRACKER · UPDATED 20 SEP 2026voltstack.energy