News
Announcement of Tender 22/9/2023 (gas delivery for technological purposes in 2022/2023)
POZAGAS a.s. hereby publishes Tender 22/9/2023 within Terms and Conditions of Commercial Public Tender(s) ...
More | 19. 09. 2023 |
Storage capacity sales for season 2023/2024
POZAGAS a.s. hereby initiates the storage capacity sales for season 2023/2024 with estimated services ...
More | 13. 12. 2022 |
Shutdown plan 2023
Dear market participants.Please be informed about the annual shut-down plan for 2023.More information can ...
More | 28. 10. 2022 |

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UNGSF Láb 4

The Natural Gas Storage Facility Láb 4 (UNGSF) is situated in the eastern part of the Vienna basin close to the town of Malacky.
The Láb 4 UNGSF comprises a set of eight depleted natural gas fields converted to serve as underground storage.

Reasons for choosing Láb 4 UNGSF services in the first place

Basic technical parameters of the Láb 4 UNGSF

Current fixed storage capacity:

working volume|655 million m3|6 947 GWh
daily injection flow rate|6.85 million m3|72.66 GWh
daily withdrawal flow rate|6.85 million m3|72.66 GWh


Reservoir depth ranges between 620 and 1050 metres
Range of operating pressures in the reservoirs: 4 - 13.5 MPa

Layout of the Láb 4 UNGSF storage reservoirs

UNGSF Lab 4