Etzel

Gas storage products

We offer flexible and individual storage products and services.

Gas storage products

Our commitment: Meet our customers needs

Uniper Energy Storage GmbH pools together decades of experience and all of the Uniper Group’s competence in underground storage of natural gas. We regularly review our comprehensive product portfolio to reflect the needs of our customers in a changing market, so that we can pass on the technical and commercial innovations we are continually making on-site to our facilities. If we are missing a product that would meet your specific needs, please get in touch with our sales team who will be happy to assist you.

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Our Commitment

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Our portfolio consists of 8 gas storage facilities

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Access to market areas THE, TTF, CEGH & NBP

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Distribution in 4 countries: D, A, NL & UK

TWh of total working gas capacity

Commercial and technical framework

Our storage product prices are made up of the following components:

  • Annual storage fee – either a fixed or indexed price determined by the bids of our customers in our storage auctions
  • System service fee – a lump sum of 15,565 € / per year
  • Variable injection fee – 0.8678 €  / MWh of injected gas

(as of 24.03.2025)

 

Annual price revision according to the price sheet (Annex IV GTCS)

Gas storage facilities are physical assets and so are subject to physical restrictions in temperature, pressure and the equipment used at each site. The following general rules apply:

The more working gas is withdrawn, the lower the storage pressure, which leads to restrictions in withdrawal rates. Vice versa, the more working gas is injected, the higher the storage pressure, which leads to restrictions in injection rates.

Find the storage curves here

We offer our storage products mainly directly at the connection point. In this case, the delivery and/or return point is the storage connection point directly at the storage facility. Transport capacities to/from the virtual trading point are not included but have to be booked separately by the customer via the known capacity trading platforms, with the network operator or, in case of access to the CEGH (Storage 7Fields), via us.

Here you can find our storage connection points

Supplementary products

Financing

Since injected gas can often only be monetized later, our Working Gas Financing Service gives you the option to sell stored gas to a financial institution on a short-term basis to generate capital.

REMIT

As a service and for a small annual fee, we take over your obligation to report your gas inventories, including new injections, to the European energy regulator ACER on a daily basis.

Trading

Another optimization option for our customers is short-term, day-specific trading of additional injection and withdrawal capacities within the booked storage. This trading is centrally coordinated by us.

Transfer

Our storage customers have the option, for a fee, to sell their stored working gas within the booked storage to other storage customers.

Short call balancing

At the Epe-L storage facility, you can conclude an additional agreement called “Short call balancing service”, enabling participation in THE’s tender for the balancing energy product using the capacities booked with us.

Balancing group

For the 7Fields storage facility, we optionally offer, in addition to THE´s connection (Germany), a connection to the virtual trading point CEGH (Austria). In Austria, transport capacities are booked by the storage operator.

Storage bundles

Our gas storage products are offered in storage bundles, combining working gas volume with injection and withdrawal capacities in a fixed ratio. Each bundle type differs mainly by its churn rate – how often the working gas can be injected and withdrawn within a storage year. To maximize flexibility, interruptible capacities can be integrated. While not always fully available due to operational conditions, they help customers unlock the full potential of our storage facilities.

Our portfolio includes three bundle types:

Fast churn

High injection and withdrawal rates for multiple cycles per year – perfect for short-term flexibility.

Mid churn

Balanced capacity and performance for medium-term requirements.

Seasonal churn

Large working gas capacity for seasonal storage needs.

Current products and services

We currently market our storage capacities mainly via auctions, which are carried out via our storage portal. By registering for our newsletter, you will be informed about all of our upcoming auctions. All the relevant, technical information and the published contract documents for the upcoming auctions can be found on our storage portal. If you would like to actively participate in the auction, you must first register and obtain a licence on our storage portal. Please contact a member of our sales team.

Etzel EGL mid churn

Market areas THE
Usage typeMid churn 
Pricing typeFixed price 

7Fields seasonal

Market areas CEGH/THE
Usage typeSeasonal
Pricing typeFixed price 

Etzel ESE fast churn

Market areas TTF/THE
Usage typeFast churn 
Pricing typeFixed price 

EPE H-gas fast churn

Market areas THE
Usage typeFast churn 
Pricing typeFixed price 

Bierwang mid churn

Market areas THE
Usage typeMid churn 
Pricing typeFixed price 

View all our products

Storage Tools

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Current and historical storage levels

Dashboard

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Available capacities and product portfolio

Storage Portal

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Nominate injection and withdrawal capacities

Nomination Portal

Gas storage experts for Germany and Austria

Martin Schüling

Sales & Optimization
Schüling

Marisa Lütke-Stratkötter

Sales & Optimization
Marisa

Mahir Argac

Sales & Optimization
Mahir

Holford storage facility (UK)

Tom Manuel

UK Sales, Optimisation & Business Development
Tom

Already a customer? Contact our dispatching and billing experts.

Carsten Bentler

Dispatching
Carsten

Matthias Schwieters

Dispatching
Matthias

Dispatching -

(available 24/7) on:
+49 (0) 211 – 45796 - 321
ust.operation@uniper.energy
dispatching 24/7