physics

Haidach gas storage

Haidach gas storage is a physics topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Haidach gas storage rather than just read about it. In short: Haidach gas storage is an underground natural gas storage in the town of Haidach near Salzburg, Austria. As of the end of 2018 with a capacity of ~2.9 billion cubic meters (bcm) it is the third largest (after Rehden with volume of ~4.7bcm and Bergermeer of ~4.5bcm of capacity) gas storage facility in Central Europe.

Key takeaways

Haidach gas storage belongs to physics; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Haidach gas storage to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Haidach gas storage from memory before moving on to harder problems.

Reference excerpt

Haidach gas storage is an underground natural gas storage in the town of Haidach near Salzburg, Austria. As of the end of 2018 with a capacity of ~2.9 billion cubic meters (bcm) it is the third largest (after Rehden with volume of ~4.7bcm and Bergermeer of ~4.5bcm of capacity) gas storage facility in Central Europe.

History In 1997, Rohöl-Aufsuchungs Aktiengesellschaft (RAG) discovered the Haidach gas reservoir holding a total gas in place of 4.3 billion cubic meters (bcm). After depletion of the reservoir, it was planned to convert into a gas storage. The contract for use of the Haidach reservoir as a storage for natural gas was signed between RAG, Wingas and Gazprom Export on 13 May 2005. Construction works started in 2005. The gas storage started officially operating on 24 May 2007.

Technical features Haidach underground gas storage uses depleted Haidach porous sandstone gas reservoir at a depth of 1,600 metres (5,200 ft). The operating capacity of the gas storage in the first phase is 1.2 bcm. In April 2011, after completing the second phase, the operating capacity would be doubled. The gas storage is connected to the Austrian and German gas grids at Burghausen/Überackern through the 39 kilometres (24 mi) long Austria-Bavaria gas pipeline (ABG). The construction of the first stage cost €250 millions.

Ownership Haidach gas storage is a joint project of RAG, Wingas, SEFE Storage (Astora) and Gazprom Export (GSA LLC). During April 2021, Gazprom-associated gas storage facilities became unusually low and remained low instead of refilling in the off-peak summer season as usual. In July 2022 the Austrian government gave away Gazprom's portion of the Haidach gas storage facility to RAG Austria for failure to fill it up for the winter season. It is operated by the Austrian energy company EVN.

References

Illustrations

Worked examples

Example 1 — a first encounter with Haidach gas storage

Start with the simplest possible case. Write down what Haidach gas storage claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In physics, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Haidach gas storage before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Haidach gas storage ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Haidach gas storage

In research: Haidach gas storage appears in physics research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Haidach gas storage in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Haidach gas storage is common in secondary-school and first-year university syllabi. It links to neighbouring topics Energy infrastructure in Austria, Gazprom, Natural gas in Austria, so understanding it makes those chapters shorter.
In everyday life: Look for Haidach gas storage outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Haidach gas storage in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Haidach gas storage means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Haidach gas storage out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Haidach gas storage in simple terms?

Why does Haidach gas storage matter?

Because it connects several physics ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Haidach gas storage?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Haidach gas storage.