Elenger
Corporate brand
UnclaimedElenger is an Estonian energy company supplying and distributing natural gas, LNG, CNG, electricity and renewable energy across the Baltic and wider Northern European markets.
Last updated August 26, 2026
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Overview
Elenger is an energy company headquartered in Tallinn and historically rooted in Estonia’s gas industry. Its corporate history reaches back to the establishment of Tallinn’s first gas factory in the nineteenth century, while the modern company was incorporated as AS Eesti Gaas in 1993 during the restructuring and partial privatization of Estonia’s gas sector. The business operated for many years under the Eesti Gaas name before adopting Elenger as its principal Estonian name in December 2024. The company’s core activities include importing, selling and distributing pipeline natural gas, as well as supplying liquefied natural gas (LNG), compressed natural gas (CNG), compressed biomethane and electricity. It operates or supplies energy infrastructure and services in Estonia, Latvia, Lithuania, Finland, Poland and Germany. Its activities span household and commercial gas sales, natural-gas distribution, vehicle fuels, marine LNG bunkering and renewable electricity projects. Elenger’s historic gas network business developed alongside Estonia’s changing political and economic systems. A gasworks in Tallinn began producing artificial gas from coal in 1865, initially for street lighting. In the Soviet period, a national gas-transporting organization handled oil-shale gas and later natural-gas transportation. The Eesti Gaas name appeared in 1988, and the company became a state enterprise in 1990. After incorporation in 1993, ownership was progressively transferred from the Estonian state to private and strategic investors. Gazprom, Ruhrgas and later E.ON and Fortum were among the major shareholders during different periods. In 2016, investment company Infortar became the sole owner of Eesti Gaas. The company broadened beyond conventional gas distribution during the 2010s. It began selling electricity in 2013, entered the Finnish and Lithuanian markets under the Elenger brand in 2019, and developed LNG services for maritime transport. It supplied LNG to Tallink’s Megastar ferry from 2018 and later commissioned the Optimus LNG bunker vessel, which entered service in 2021. The vessel supports marine-fuel delivery in the northern and eastern Baltic region. Russia’s full-scale invasion of Ukraine in 2022 accelerated a major change in Elenger’s supply model. The company developed new LNG supply chains originating from Western markets, including cargoes associated with Norway and the United States, and expanded into Poland. This reduced the strategic importance of the earlier eastward-oriented gas-supply structure and increased the role of LNG terminals in Lithuania and Finland. Elenger has continued to expand through acquisitions and infrastructure investment. In 2023, it acquired Gaso, the Latvian gas-distribution network company. In 2024, it acquired gas-storage capacity in Germany, completed its first solar park in Latvia and acquired EWE AG’s business operations in Poland. These steps supported a broader regional energy platform rather than a business limited to the sale of pipeline gas. The company’s current portfolio includes gas networks, LNG logistics, CNG and biomethane stations, electricity sales, solar-generation interests and energy distribution operations.
History
Elenger’s historical roots are associated with the beginning of organized gas production in Tallinn. On 15 December 1864, William Weir & Comp. entered into a concession agreement with the city of Reval, now Tallinn, for a gas factory and water pipeline. The Tallinn gasworks was completed in 1865 and produced artificial gas from English coal. Gas lighting was first used for street illumination, with a gas lantern lit on Tallinn Town Hall Square on 17 December. The organization of gas transportation changed substantially during the twentieth century. In 1948, Estonia established its first gas-transport company. From 1948 to 1957 it transported oil-shale gas from Kohtla-Järve toward Leningrad through a pipeline that was subsequently used to transport Russian natural gas to Estonia. Between 1963 and 1988, gas-related administration was conducted through the General Administration of Gasification under the Council of Ministers of the Estonian Soviet Socialist Republic. The Eesti Gaas name was introduced in 1988. The enterprise became a state company in 1990 and was incorporated as AS Eesti Gaas in 1993. During the 1993–1995 privatization process, ownership was divided among the Estonian state, strategic investors and private shareholders. A 30 percent interest was transferred to Lentransgaz, now associated with Gazprom’s Saint Petersburg transmission organization, in connection with a gas-debt dispute. Ruhrgas acquired a substantial minority position in 1994, while management, private investors and the Baltic Republic Fund also obtained shares. Further ownership changes followed in the late 1990s and 2000s. The state sold its remaining shares in January 1999. Ruhrgas, Gazprom, Neste and later Itera’s Latvian operation became important shareholders, while Gazprom and E.ON increased their positions through purchases from private investors. In 2014, E.ON transferred its holding to Fortum, which became the largest shareholder. In 2016, Fortum sold its stake to Trilini Energy, an investment vehicle controlled by Infortar. Trilini subsequently acquired most of the shares formerly held by Gazprom and an additional minority position, leaving Infortar as the sole owner of Eesti Gaas. The company also reorganized its operating structure. Regional subsidiaries were consolidated into the parent company in 1998. Construction activities were moved to AS EG Ehitus in 2004, and gas-grid services were transferred to EG Võrguteenus in 2005. In 2013, the distribution network was separated into AS Gaasivõrgud. The transmission and distribution functions were further separated in 2014 to support implementation of the European Union’s third energy package. Eesti Gaas began selling electricity in 2013. It then developed a broader multi-fuel and regional strategy. LNG supply to Tallink’s Megastar began in January 2018, and the company announced plans later that year for a dedicated LNG bunkering barge. The company entered the Lithuanian and Finnish markets under the Elenger brand in 2019. Its LNG bunker vessel Optimus was launched in 2021. The energy shock following Russia’s full-scale invasion of Ukraine in February 2022 prompted Elenger to reorganize its gas procurement and logistics. It created new supply chains from Western sources, including LNG delivered to terminals in Lithuania and Finland, and expanded its commercial presence into Poland. The company subsequently pursued network acquisitions and renewable-energy investments. Gaso in Latvia was acquired in 2023. In 2024, Elenger purchased German gas-storage capacity, completed a solar park in Latvia and acquired EWE AG’s Polish business operations. In December 2024, Eesti Gaas changed its Estonian name to Elenger, formalizing the transition from a primarily national gas-company identity to a regional energy brand.
- 2024
Regional expansion and rebrand
[1]Elenger acquired German storage capacity and EWE’s Polish operations, completed a Latvian solar park and replaced the Eesti Gaas name in Estonia.
- 2023
Gaso acquisition
[1]Elenger acquired Latvia’s Gaso gas-distribution network company.
- 2021
Optimus LNG bunker vessel launches
[1]The company’s LNG bunkering vessel Optimus was launched for Baltic marine-fuel operations.
- 2019
Elenger enters Finland and Lithuania
[1]The Elenger brand was used for expansion into the Finnish and Lithuanian energy markets.
- 2018
Marine LNG business develops
[1]The company began supplying LNG to Tallink’s Megastar and announced an LNG bunkering-barge project.
- 2013
Electricity sales begin
[1]Eesti Gaas expanded beyond gas by starting electricity sales.
- 1993
AS Eesti Gaas is incorporated
[1]The modern corporate entity was incorporated and subsequently entered a period of partial privatization.
- 1990
Becomes an Estonian state enterprise
[1]The gas enterprise became a state-owned company during Estonia’s transition toward restored independence.
- 1988
Eesti Gaas name appears
[1]The Eesti Gaas name was first used during the late Soviet period.
- 1948
Estonia establishes a gas-transport company
[1]A national gas-transport organization was established to move oil-shale gas through the Kohtla-Järve–Leningrad pipeline.
Products and positioning
A regional Baltic and Northern European energy platform combining natural-gas distribution with LNG logistics, lower-carbon vehicle fuels, marine bunkering, electricity and renewable-energy investments.
Natural gas
Pipeline natural gas
Elenger imports, sells and distributes pipeline natural gas for residential, commercial and other energy users. The business is connected to the company’s distribution networks and regional gas-trading activities in the Baltic and nearby European markets.
LNG
Liquefied natural gas
LNG is supplied by ship and truck from regional terminals, including facilities in Lithuania and Finland, and is used for industrial, commercial and maritime customers. The business became increasingly important after 2022 as the company developed Western LNG procurement routes.
Alternative vehicle fuels
CNG and compressed biomethane
Elenger operates CNG stations in Estonia, where customers can also purchase biomethane. These fuels extend the company’s gas portfolio into road transport and provide a lower-carbon alternative to conventional petroleum fuels.
Marine fuels · 2018
LNG marine bunkering
The company provides LNG bunkering for LNG-powered vessels around Tallinn, Helsinki and Hanko. Its Optimus bunker vessel and truck-delivery capabilities support marine customers in the Baltic Sea region.
Electricity and renewables · 2013
Electricity and solar energy
Elenger sells electricity and holds interests in solar-generation projects. Its renewable portfolio includes a Latvian solar park completed in 2024 and solar assets with an aggregate capacity described in the reference material as approximately 4 MW.
Energy infrastructure
Gas distribution networks
Through subsidiaries and acquired operations, Elenger owns or operates natural-gas distribution infrastructure in Estonia, Latvia and Poland. The network business provides the physical delivery platform for the company’s gas-sales activities.
Brand decisions
2024
Build a broader regional energy platformStrategyBackground
The company was broadening beyond traditional gas sales into storage, renewable generation and markets outside the Baltic core.
Action taken
Elenger purchased gas-storage capacity in Germany, completed its first Latvian solar park and acquired EWE AG’s Polish business operations.
Aftermath
These moves expanded the company’s operating scope across storage, renewables and Polish energy services.
2024
Adopt Elenger as the Estonian corporate nameOtherBackground
The Elenger identity had already been used for international activities since the company entered Lithuania and Finland in 2019.
Action taken
The company changed its name in Estonia from Eesti Gaas to Elenger in December.
Aftermath
The rebrand aligned the domestic company name with its regional operating identity.
2023
Acquire GasoM&ABackground
Elenger sought to expand its ownership and operation of regional gas-distribution infrastructure.
Action taken
The company acquired Gaso, the Latvian gas-distribution network operator.
Aftermath
The acquisition expanded Elenger’s network presence from Estonia into Latvia.
2022
Reorient gas procurement toward Western LNGStrategyBackground
Russia’s full-scale invasion of Ukraine disrupted the regional gas-supply environment and increased the importance of non-Russian sources.
Action taken
Elenger created new LNG supply chains from Western sources, including gas associated with Norway and the United States, delivered through terminals in Lithuania and Finland, and expanded sales into Poland.
Aftermath
The company became more dependent on LNG logistics and diversified its geographic footprint beyond Estonia.
2018
Order an LNG bunkering bargeProduct launchBackground
Growing use of LNG-powered vessels created demand for dedicated marine-fuel infrastructure in the Baltic Sea.
Action taken
Eesti Gaas announced an order for a 6,000-cubic-metre LNG barge to serve ships in the northern and eastern Baltic region.
Aftermath
The project led to the launch of the Optimus LNG bunker vessel in 2021 and strengthened the company’s maritime LNG offering.
Recent events
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