VOLTSTACKDAYS OF GAS
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How many days of gas does Europe have left?

GAS DAY: withheldSOURCE: GIE AGSI+COVERAGE: EU AND EVERY AGSI+ COUNTRYREFRESHED: EVERY 6 HOURS
THE SHORT ANSWER

The latest GIE AGSI+ reading could not be read, or failed the plausibility screen this site applies to every storage figure, so this page is not showing a number until it can. No older figure is shown in its place.

These are days of cover: how long the gas in storage would last on its own. Pipelines from Norway and North Africa, LNG and European production supply most of the gas Europe burns in winter, so neither figure is a countdown to running out.

01 · The two runways

How long storage would last, and against what

The first runway divides the gas in storage by the net withdrawal of the past seven gas days. While storage is still filling there is no withdrawal to divide by, so the page uses the average pace of past winters for this calendar date instead. The second runway divides the same gas by the most that could be withdrawn in a day. It is a lower bound: a store's maximum rate falls as it empties, so withdrawing flat out would in practice last longer than this.

MeasureTodayLast yearFive-year average, five years
Gas in storagen/an/an/a
Net flow, past seven daysn/an/an/a
Days at the past seven days' pacen/an/an/a
At the ten-winter pacen/an/an/a
Lower bound, at maximum withdrawaln/an/an/a

Maximum withdrawal: for Germany, France, Italy, the Netherlands and Austria, the capability available at today's fill from the Voltstack storage deliverability index (ENTSOG/GSE withdrawal curves applied to AGSI+ fills and declared maxima); for every other EU country, its declared technical maximum, which can only overstate what a store delivers. Five-year averages take the same calendar date in each of the five previous years and need at least three of them. Source: GIE AGSI+.

02 · This winter against past winters

EU storage, 1 September to 30 April, winter by winter

The winter history could not be read from the source, so the chart is not shown.

03 · Every country

Storage and days of cover in every country GIE AGSI+ reports

Countries are ranked by gas in storage. The last two columns are the country's own runways: days at its past seven days' net withdrawal, and the lower bound at its declared maximum withdrawal rate. Gas crosses borders, so a small country's stock is not all it can draw on.

CountryFullvs last yearvs 5-yr avgIn storageNet flow, 7 daysDays, 7-day paceDays at max, at least

Gas day withheld. Net flow: + filling, - drawing, seven-day average. E: GIE marks the reading as estimated. The United Kingdom row is GIE's estimate over part of British storage; its days are not computed here. Source: GIE AGSI+. Download this table as CSV

04 · What stands behind storage

Storage is the buffer, not the supply

In a normal winter, storage supplies a minority of the gas Europe burns. The rest arrives as it is used: by pipeline from Norway, North Africa and Azerbaijan, as LNG through more than two dozen import terminals, and from European production. Storage covers the gap between that steady supply and demand that swings with the weather, which is why it is drawn hardest on the coldest days and why its level in late winter matters more than any single number of days.

Two live pages track what arrives alongside storage: Norway gas flows to Europe today, by landing point against last year and the five-year average, with open Gassco outages, and Europe's LNG send-out this week, by country and terminal.

The runways here show how much buffer is left, not how long until the gas stops. A falling runway in January means the buffer is being used. It matters most when storage is already low as a late cold spell arrives, as it did in March 2018.

05 · Questions

Questions people ask about Europe's gas

Is Europe running out of gas?

The latest GIE AGSI+ reading is withheld on this page until it can be read and passes the plausibility screen, so this answer carries no figure for now.

How many days of gas does Europe have left?

The latest GIE AGSI+ reading is withheld on this page until it can be read and passes the plausibility screen, so this answer carries no figure for now.

Why does this page give two different numbers of days?

They answer different questions. The first divides the gas in storage by what storage has actually given up over the past week (or, while it is still filling, by the average pace of past winters): how long it would last if things carried on as they are. The second divides it by the most every store could send out in a day, which gives the shortest time storage could possibly be emptied in. Neither is a forecast, and neither counts the pipeline gas, LNG and production that arrive alongside it.

Where does this data come from, and can I use it?

Storage levels, flows and declared withdrawal capacity come from GIE AGSI+, the gas storage transparency platform run by Gas Infrastructure Europe, read once per gas day for every reporting country. The withdrawal ceiling for Germany, France, Italy, the Netherlands and Austria comes from the Voltstack storage deliverability index. You can reproduce the figures with a credit to Voltstack and a link to this page; GIE must be credited as the data source.

Cite this data

Free to reproduce with credit

The citation line returns with the next plausible GIE AGSI+ reading.

The country table is available as a CSV file, refreshed with the page.

Method

How the days are worked out

  • Past-week pace. Gas in storage at the end of the gas day, divided by the fall in storage over the past seven gas days, divided by seven. It is shown only while storage is being drawn down; a draw so slow that the stock would last more than a year is reported as slow rather than as a number of days.
  • Ten-winter pace. The average net withdrawal of the past ten winters over the part of the withdrawal season still ahead of this calendar date. It stands in while storage is still filling, and is shown alongside the past-week pace all winter.
  • Lower bound. Gas in storage divided by the maximum withdrawal rate. Maximum withdrawal: for Germany, France, Italy, the Netherlands and Austria, the capability available at today's fill from the Voltstack storage deliverability index (ENTSOG/GSE withdrawal curves applied to AGSI+ fills and declared maxima); for every other EU country, its declared technical maximum, which can only overstate what a store delivers. Because a store's capability falls as it empties, withdrawing flat out would in practice last longer, so the true figure is at least this.
  • Comparisons. The same calendar date in each of the five previous years (28 February stands in for 29 February), each year worked out the same way. A five-year average needs at least three of the five years.
  • Withheld readings. Every AGSI+ record passes the plausibility screen the storage tracker uses (fill within 0 to 110%, stock no more than 10% above working volume). A record that fails is left out and the figure it would have fed is shown as n/a; no older number is put in its place.

GIE AGSI+ publishes each gas day once, at 19:30 CET the following day, and may revise recent days. This page refreshes every six hours. Storage levels only: no prices are used or shown.

Days of cover are an arithmetic view of storage, not a forecast of supply or a warning of shortage. Produced by Voltstack for information only; not investment advice. Storage data: GIE AGSI+. Corrections to research@voltstack.energy.

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