You can reach us personally on the spots referred on the map, may contact us by writing or calling

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Data supply

Current and archive data on gas turnover and filling-up status of our gas storage site

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Transparency template

Uniform structure of links used by members of Gas Storage Europe

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Bulletin board

Storage capacity and natural gas bids and offers published by clients of MMBF Plc

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Please contact us regarding gas turnover, nomination and allocation

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Customer service

Please, contact us if you have any questions, comments or complaints concerning our activities!

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Services and tariffs

You can find here our Business Code and Tariff Calculator

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Useful information for our clients and for those who are interested in capacity booking

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About us

Information with regard to operation of MMBF Plc. as an enterprise

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Szőreg-1 UGS

Technical information on our gas storage facility

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Collection of documents determining essentially our operations

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Information Platform

If you are our clients you can reach our IT Platform by clicking

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The injection cycle is coming to its end

Stored gas volume in Szőreg-1 UGS will reach 100% soon. Please click!

The MMBF Zrt. has successfully completed the refilling of the 1.2 bcm capacities of the Hungarian Stock Pilling Association by 30 September 2017, in accordance with its contractual obligations. The storage – in line with the expectations of its contracted customers – continues the injection into the commercial capacities. Consequently, it is expected that the total of the 1.9 bcm working gas capacities of MMBF Zrt. will be used, which has not been the case since 2011. The storage is prepared to meet the winter demands with 100 percent of its working gas and withdrawal capacities.


It remains our priority to operate the storage facility and the reservoir in a safest way in order to maintain a continuous supply security for the Hungarian consumers.