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Gas storage
Our energy supply is also based on the constant availability of natural gas. As the lowest-emission fossil fuel, it is used in many ways: primarily for heating but also as a fossil fuel to generate electricity in gas-fired power plants, or as an environmentally friendly fuel on our roads. The gas supply in Germany is secured by a variety of supply sources, long-term gas supply contracts, and secure transport routes as well as gas reserves stored in natural gas storage facilities. They serve to cover consumption peaks and compensate for seasonal fluctuations in consumption. In 2012, at the Etzel site, we commissioned a natural gas storage facility with two caverns.
EnBW Etzel Speicher GmbHServicesFigures, data, facts

Technical data

Photo of natural gas tubes in the Etzel gas storage
Etzel natural gas storage facility

Storage connection:

  • Entry/exit: Oude Statenzijl (NL)
  • Network operator: GTS (Gas Transport Services B.V.)
  • Market area: TTF
  • Gas composition: H gas

EnBW Etzel Speicher GmbH offers its storage customers access to the NCG and Gaspool market areas via the following entry/exit points:

  • Entry/exit: Etzel (Storage Crystal), Bitzenlander Weg 10
    Market area: NCG
    TSO: Open Grid Europe GmbH
  • Entry/exit: Etzel Crystal
    Market area: Gaspool
    TSO: Jordgas Transport GmbH
  • Entry/exit: Ugs Etzel Crystal
    Market area: Gaspool
    TSO: Gasunie Deutschland Services GmbH

Technical data of the storage facility:

  • Number of caverns: 2
  • Available working gas volume (total): approx. 2,320 GWh
  • Available filling rate: 2,250 MWh/h
  • Available withdrawal rate: 3,920 MWh/h

The following start-up and switching times are used for connection to the GTS network:

  • Start-up time from 0 to maximum storage or retrieval: 30 minutes
  • Changes in operational performance: 30 minutes
  • Switching from storage to retrieval and vice versa: 120 minutes

In addition, the restrictions of the network operator GTS must be taken into account.

The following start-up and switch-over times are used for the NCG and Gaspool market areas:

  • Start-up time from 0 to maximum storage or retrieval: 120 minutes
  • Switching from storage to retrieval and vice versa: 180 minutes

Contact

For additional information and queries, we are at your disposal at .

Downloads

Gleichbehandlungsbericht
(156 kB)
pdf
AGB
(793 kB)
pdf
Speichervertrag
(67 kB)
pdf
Annex IV: Zusatzvereinbarung Marktgebiete
(67 kB)
pdf

Storage levels and load flows

Service and maintenance

Upper and lower basins of Glems pumped storage

Pumped-storage plants

Compensation for fluctuating renewable energies
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