RAG Austria

RAG Austria AG is an Austrian energy company whose principal business is the underground storage of natural gas and other gaseous energy carriers. It is the country's largest gas-storage operator and manages storage infrastructure that supports supply security in Austria and the wider Central European market. The company has evolved from an oil-exploration enterprise into an infrastructure and technology business centered on subsurface energy storage, gas production, renewable-gas research, and gas-fuel applications. The company was established in 1935 as Rohöl-Gewinnungs AG by Socony-Vacuum Oil and N.V. de Bataafsche Petroleum Maatschappij, predecessors of Exxon Mobil and Shell respectively. Its early activities focused on exploration and production in the Vienna Basin. Discoveries around Zistersdorf and Gaiselberg made the company an important participant in Austria's pre-war oil industry. Its operations were heavily affected by the Anschluss, the Second World War, and the Soviet occupation of eastern Austria. During the post-war period, RAG progressively expanded its exploration work into Upper Austria, where it discovered important oil and gas fields, including the Puchkirchen field and the Voitsdorf field. From the 1970s onward, natural-gas production became increasingly important. RAG subsequently repurposed depleted gas reservoirs as underground storage sites. The Puchkirchen field was converted into a large-scale storage facility during the 1980s, with commercial operations beginning in 1995. RAG later developed the Haidach and 7Fields storage facilities in cooperation with international energy companies. The company acts as planner, constructor, and technical operator for several facilities, while storage capacity and marketing arrangements may be shared with joint-venture partners. RAG's operated storage portfolio has a working-gas volume of more than six billion cubic metres, according to the cited company description. Its facilities include Puchkirchen/Haag, Haidach, Haidach 5, Aigelsbrunn, and the RAG-operated portion of 7Fields. These assets are intended to balance seasonal demand, strengthen supply resilience, and provide infrastructure for gaseous energy. RAG also produces natural gas from Austrian fields, supplies regional customers, operates or supports CNG and LNG activities, and develops geothermal applications. Since the late 2010s, the company has emphasized the transition from conventional gas production toward renewable-gas and energy-storage technologies. In 2018, the former Rohöl-Aufsuchungs AG structure was separated into RAG Austria AG, focused on storage and new energy technologies, and RAG Exploration & Production GmbH, focused on crude-oil exploration and production. RAG Austria's research portfolio includes Underground Sun Storage, which examined the storage of renewable hydrogen in subsurface reservoirs, and Underground Sun Conversion, which investigates the production of renewable methane from hydrogen, carbon dioxide, and microorganisms underground. These projects reflect the company's positioning as a subsurface-storage specialist seeking to use existing geological formations and infrastructure in a lower-carbon energy system.

RAG Austria began in 1935 as Rohöl-Gewinnungs AG, an exploration company founded by Socony-Vacuum Oil and N.V. de Bataafsche Petroleum Maatschappij. Its initial concession strategy concentrated on the Vienna Basin, where the company secured extensive exploration rights. A major discovery was made in 1937 with the RAG II well near Zistersdorf, followed by the development of the Gaiselberg oil field in 1938. The discoveries helped establish the Vienna Basin as a significant Austrian oil-producing region. The company's early history was shaped by political upheaval. During the period of Nazi German rule after the Anschluss, RAG was treated as enemy property and administered by a German asset manager. During the Soviet occupation of eastern Austria from 1945 to 1955, drilling equipment was removed as war reparations and production was transferred to the Soviet petroleum administration. RAG's operating rights in the Vienna Basin were consequently restricted. After the Austrian State Treaty and the end of occupation, the company resumed exploration and began to broaden its regional focus. RAG had already received exploration assignments in Upper Austria in 1948 and 1951. In May 1956, it made a major oil discovery near Puchkirchen, one of the company's first important discoveries outside the Vienna Basin. Further exploration identified an oil field near Ried im Innkreis in 1959 and the Voitsdorf field in 1962. Voitsdorf became one of Austria's most productive oil fields outside the Vienna Basin and was developed through dozens of wells. Other Upper Austrian fields, including Eberstalzell, Engenfeld, Oberaustall, Sattledt, and Steinhaus, were developed during the following decades. RAG reached its historical peak in crude-oil production in 1968, when annual output exceeded 419,000 tonnes. Oil production later declined, although further discoveries and higher oil prices supported renewed development in the 2000s. By the early 2010s, the company had developed approximately 50 oil and gas fields in Austria. Natural gas assumed greater importance from the 1970s, when RAG discovered numerous medium-sized and smaller reservoirs in Upper Austria. The Haidach gas reservoir, discovered in 1997, was among Austria's largest gas discoveries. The conversion of depleted gas fields into underground storage sites became the company's defining strategic development. RAG began using former natural-gas reservoirs for storage in 1982. The Puchkirchen field was progressively converted, and the first commercial large-scale storage facility began operation in 1995. The associated Haag facilities expanded the system's capacity. RAG then developed Haidach in cooperation with Gazprom Export and Wingas; the facility entered operation in 2007 and was expanded in 2011. The 7Fields project, developed with Uniper's predecessor E.ON Gas Storage, added further reservoirs near Salzburg and Upper Austria. RAG served as planner, builder, and technical operator, while marketing involved the project partners. The company's more recent strategy has been to apply its underground-storage expertise to renewable and low-carbon gases. In 2018, the former Rohöl-Aufsuchungs AG business was divided between RAG Austria AG and RAG Exploration & Production GmbH. RAG Austria retained gas storage, gas supply and trading, gas-fuel activities, and research into new energy technologies. It also continued work on geothermal energy and on the storage and production of renewable gas. The Underground Sun Storage project demonstrated the feasibility of storing renewable hydrogen in a natural gas reservoir. Its successor, Underground Sun Conversion, investigates underground biological conversion of hydrogen and carbon dioxide into renewable methane. A test facility at Pilsbach in Upper Austria injected the gases into a reservoir more than 1,000 metres underground, where naturally occurring microorganisms were intended to support methane formation. The program was designed to use geological formations as large-scale, seasonal storage for energy generated from wind and solar power. RAG therefore presents itself not only as a conventional gas operator but also as an infrastructure company preparing subsurface storage for a more decarbonized energy system.

1. 2019Second Austrian LNG station opened

   An LNG filling station opened in Feldkirchen near Graz in cooperation with F. Leitner Mineralöle.

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2. 2018RAG Austria AG established as a focused business

   The former Rohöl-Aufsuchungs AG was divided into RAG Austria AG and RAG Exploration & Production GmbH.

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3. 2017First Austrian LNG filling station

   RAG began operating Austria's first LNG filling station at Ennshafen near Linz.

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4. 2014Second 7Fields expansion completed

   The Oberkling/Pfaffstätt stage expanded the 7Fields underground storage system.

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5. 2011First 7Fields expansion completed

   The first expansion stage of the 7Fields storage project was completed near Straßwalchen and Nussdorf.

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6. 2007Haidach storage facility opened

   The Haidach facility began operation as a joint project involving RAG, Gazprom Export, and Wingas.

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7. 1997Haidach gas reservoir discovered

   Modern geophysical methods identified the Haidach reservoir, one of Austria's largest gas discoveries.

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8. 1995Puchkirchen commercial storage began

   The converted Puchkirchen field entered commercial large-scale storage service.

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9. 1982Underground gas storage introduced

   RAG began converting former natural-gas reservoirs for underground storage.

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10. 1968Peak crude-oil production

    RAG recorded its highest annual crude-oil production, exceeding 419,000 tonnes.

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11. 1962Voitsdorf oil field discovered

    The Voitsdorf field became one of Austria's most productive oil fields outside the Vienna Basin.

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12. 1956Major Puchkirchen oil discovery

    RAG discovered a significant oil field near Puchkirchen, expanding its activity beyond the Vienna Basin.

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13. 1937RAG II discovery near Zistersdorf

    The RAG II well produced a major early oil discovery in the Vienna Basin.

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14. 1935Company founded as Rohöl-Gewinnungs AG

    Socony-Vacuum Oil and N.V. de Bataafsche Petroleum Maatschappij established the company to explore and produce oil in Austria.

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A critical-infrastructure operator and subsurface-energy specialist combining large-scale gas storage with renewable-gas, hydrogen, geothermal, and gas-mobility technologies.

• Natural-gas storageEnergy storage1982

  RAG's core offering is large-scale underground storage of natural gas in converted geological reservoirs. The storage portfolio includes Puchkirchen/Haag, Haidach, Haidach 5, Aigelsbrunn, and RAG-operated parts of 7Fields. The facilities support seasonal balancing and supply security for Austria and Central Europe, with a combined working-gas volume described as exceeding six billion cubic metres.

• Haidach gas storage facilityGas storage2007

  Haidach is a major underground storage facility near Straßwalchen, developed by RAG with Gazprom Export and Wingas. It entered service in 2007 and was expanded in 2011. RAG has acted as planner, constructor, and technical operator, while commercial arrangements have involved its project partners.

• 7Fields gas storage facilityGas storage2011

  7Fields is a multi-reservoir underground storage project developed by RAG with Uniper's predecessor E.ON Gas Storage. Its stages include facilities around Straßwalchen, Nussdorf, Oberkling, and Pfaffstätt. RAG has provided planning and technical operation, while storage marketing has involved both project partners.

• Underground Sun StorageHydrogen storage technology2013

  Underground Sun Storage is a research project examining whether hydrogen produced from renewable electricity can be stored in natural underground gas reservoirs. It represents RAG's effort to adapt its geological-storage capabilities for renewable energy and seasonal system balancing.

• Underground Sun ConversionRenewable-gas technology2017

  Underground Sun Conversion investigates the biological conversion of renewable hydrogen and carbon dioxide into methane within a deep geological reservoir. The Pilsbach test facility in Upper Austria was designed to use naturally occurring microorganisms to create storable renewable gas, linking power-to-gas production with underground storage.

• CNG and LNG fuel servicesGas mobility2017

  RAG's gas-fuel activities include the production, processing, supply, and marketing of compressed natural gas and liquefied natural gas. The company opened an LNG station at Ennshafen in 2017 and a second station at Feldkirchen near Graz in 2019. Its LNG production facility in Gampern was described as producing approximately two tonnes per day.

• 2019Expansion of LNG mobility networkProduct launch

  Following the Ennshafen project, RAG pursued a second Austrian LNG location serving the Graz region.

  What changed. RAG and F. Leitner Mineralöle opened an LNG filling station in Feldkirchen near Graz.

  Aftermath. The facility expanded Austrian LNG access and was described as the country's largest LNG filling station by storage capacity at the time.

  Reported joint investment. EUR 1.5 million (2019)

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• 2018Separation of storage and exploration businessesStrategy

  The former Rohöl-Aufsuchungs AG operated across oil exploration, production, gas storage, and emerging energy technologies. The company reorganized as the energy system moved toward decarbonization.

  What changed. RAG Austria AG was established with responsibility for gas storage, gas supply and trading, gas-fuel activities, and new energy technologies, while RAG Exploration & Production GmbH took responsibility for crude-oil exploration and production.

  Aftermath. The restructuring gave RAG Austria a clearer identity as a gas-storage and energy-technology company.

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• 2017Launch of first Austrian LNG filling stationProduct launch

  RAG sought to expand the use of natural gas as a transport fuel and connect its gas-production and processing activities with mobility infrastructure.

  What changed. RAG began operating an LNG filling station at Ennshafen near Linz.

  Aftermath. The project established RAG as an operator of LNG mobility infrastructure in Austria.

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• 2019Second Austrian LNG filling station opened in Feldkirchen

  RAG Austria and F. Leitner Mineralöle opened an LNG filling station in Feldkirchen near Graz, adding to RAG's gas-fuel infrastructure.

  Product launch
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• 2018RAG Austria separated from exploration and production business

  The former Rohöl-Aufsuchungs AG structure was reorganized into RAG Austria AG, focused on gas storage and new energy technologies, and RAG Exploration & Production GmbH, focused on oil exploration and production.

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• 2018RAG continued development of renewable-gas storage technologies

  RAG reported research and development activity directed toward storing renewable energy in underground reservoirs, including hydrogen and renewable methane concepts.

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1. RAG Austria AG
2. RAG Austria official website