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The ENERTRAG Verbundkraftwerk® Uckermark

The prototype for clean energy supply 

The ENERTRAG Verbundkraftwerk® replaces conventional power plants. Entirely.

The ENERTRAG Verbundkraftwerk® in the Uckermark region generates electricity from wind and sun, as well as green hydrogen and heat. A battery storage system and the reconversion of hydrogen into electricity stabilize energy generation. This combination enables the supply of renewable energy in line with demand and predictably - just like conventional power plants. The combined power plant can therefore completely replace conventional power plants. It is a blueprint for modern, CO2-free power plants. 


Energy regionally and for Europe. Reliable. 

The electricity generated at the ENERTRAG Verbundkraftwerk® in Uckermark is fed directly into the European grid. The green hydrogen is fed into the public hydrogen network, through which it supplies places and buildings in the region with heat. The coupling of electricity from wind power and photovoltaics with the production of green hydrogen and the supply of heat enables the provision of a plannable output in the order of gigawatts. The ENERTRAG Verbundkraftwerk® Uckermark takes over all important system functions and ensures grid stability.


ENERTRAG is a pioneer in fossil-free energy supply. Worldwide. 

Since the first wind fields in 1998 and the construction of the world's first hybrid power plant in 2011 in the Uckermark region, ENERTRAG has been gaining valuable experience in the secure supply of energy from renewables. Countries and regions around the world are already benefiting from this because the ENERTRAG Verbundkraftwerk® can be realized globally. 

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"We are shaping the next phase of energy transition."

Jörg Müller

Chairman of the Supervisory Board of ENERTRAG SE

ENERTRAG Verbundkraftwerk® Uckermark at a glance

The Uckermark Verbundkraftwerk generates clean electricity, green hydrogen and heat over an area of 40 square kilometers. Detailed information on the individual components of the local energy system can be found by clicking on the icons in the site plan.  

BATTERY STORAGE

Battery storage

SUBSTATION

Vierraben substation

COLLECTION-SUBSTATION

Collection-substation

COLLECTION-SUBSTATION

Collection-substation

COLLECTION-SUBSTATION

Collection-substation

COLLECTION-SUBSTATION

Collection-substation

COLLECTION-SUBSTATION

Collection-substation
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CONTROL CENTER

Control center Dauerthal

Technical data 

Systems are monitored1.100
Commissioning1999
In operation 24/7
Monitored capacity2,6 GW

Mode of operation  

The control center continuously monitors the operation of the entire integrated power plant and its components, including energy generation, conversion, distribution and grid connection. 

Benefits of the ENERTRAG Verbundkraftwerk 

  • Central monitoring and control unit 
  • Monitoring and optimization of plant performance 
  • Initiation and monitoring of technical services 

Special feature at ENERTRAG 

Incoming information is monitored and analyzed using the Powersystem software developed by ENERTRAG itself. 

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SUBSTATION

Bertikow substation

Technical data 

Medium-voltage level 20 kV – 30 kV
High-voltage level110 – 380 kV
Commissioning2003
Connected power605 mW

Mode of operation  

Substations collect electrical energy from generators and transmit it to the national grid. They also increase / decrease the voltage with the help of transformers. 

Benefits of the ENERTRAG Verbundkraftwerk 

  • Collection of electrical energy 
  • Connection point to the electricity grid 
  • Transforming / regulating between different voltage levels 

Special feature at ENERTRAG 

The Bertikow substation uses a self-developed EZA controller for power control, which enables the efficient control of mixed parks and EEG systems and contributes to the stability of the power grid. The substation is coupled with a large battery storage system, an electrolyzer and an H₂ reconversion plant to create a central power hub. From here, hydrogen is fed directly into the passing EUGAL pipeline. 

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ELECTROLYZER

Alkaline electrolyzer (AEL) Wittenhof

Technical data 

Nominal output560 KW
H2 Annual production94.000 kg
Commissioning2011
Investment volume21 million euros

How it works  

Electrolyzers split water into hydrogen and oxygen using an electric current. The gas produced can be easily stored and transported. 

Benefits of the ENERTRAG Verbundkraftwerk 

  • Storage of renewable energy in coupled hydrogen storage possible 
  • Increasing flexibility and grid stability by drawing surplus electricity from wind and PV systems 
  • Stabilization of the power grid through hydrogen reconversion 

Besonderheit bei ENERTRAG

ENERTRAG only produces green hydrogen, as the electrolyzer is powered by renewable energy. 

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WIND-HEAT-STORAGE

Wind-heat storage Nechlin

Technical data 

Nominal output2.000 KW
Annual production780 MWh
Commissioning2020
Households 35

How it works  

The wind heat storage system converts electrical energy into thermal energy by heating water using a heating rod. The hot water can be stored and supply consumers with heat when required. 

Benefits of the ENERTRAG Verbundkraftwerk 

  • Storage of surplus wind energy 
  • Provision of clean thermal energy 
  • Coupling of thermal and electrical energy (power-to-heat) 

Special feature at ENERTRAG 

The Nechlin wind heat storage facility is partly operated with surplus electricity from wind turbines so that they do not have to be curtailed. 

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BATTERY STORAGE

Battery storage Cremzow

Technical data 

Nominal power 22 MW
Storage capacity34,8 MWh
Commissioning2019
Investment volume17 million euros

How it works  

A battery stores energy from generating plants by converting it into chemical energy and then converting it back again when required. 

Benefits of the ENERTRAG Verbundkraftwerk 

  • Batteries compensate for fluctuations in the electricity grid and provide additional power 
  • Provision of system services such as black start and balancing energy 
  • Peak load coverage 

Special feature at ENERTRAG 

The ENERTRAG Cremzow battery storage system is black-start capable and can restore the grid in the event of a power failure. 

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PHOTOVOLTAIC SYSTEM

Photovoltaic system Kreuz Uckermark

Technical data 

Nominal output 20 MW
Annual production20 GWh
Commissioning2023
Area24 ha
Installed modules36.300

How it works  

Incident sunlight is used to generate electrical energy in solar cells. 

Benefits of the ENERTRAG Verbundkraftwerk 

  • Consistent generation of clean electrical energy during the day 
  • Can be stored in combination with battery and hydrogen production 

Special feature of ENERTRAG 

Thanks to the large number of wind power and photovoltaic systems in the ENERTRAG Verbundkraftwerk, the different and fluctuating generation patterns balance each other out. This ensures continuous power generation. 

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WINDPOWER

Wind turbine GE 5.5/158/5500 (wind field Falkenwalde)

Technical data 

Nominal output5,5 MW
Annual production20 GWh
Commissioning2021
Design life>25 years
Hub height161 m
Rotor diameter158 m
Nominal wind speed10-15 m/s
Maximum wind speed25 m/s

Mode of operation 

Wind turbines utilize the force of the wind to drive rotor blades and, via these, a generator. This generates electrical energy. 

Benefits of the ENERTRAG Verbundkraftwerk 

  • Sustainable generation of large quantities of electrical energy 
  • Production possible day and night 
  • Can be stored in combination with battery and hydrogen production    
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ENERTRAG utilises electricity from wind and sun as well as green hydrogen to create modern renewable power plants that supply homes and whole regions.

The energy system in detail 

By hybridizing wind and solar energy and converting renewable energy into storable energy sources, the ENERTRAG combined power plant in Uckermark is able to supply renewable energy predictably and in line with demand and stabilize the electricity grid. 

Primary energy  

The ENERTRAG Verbundkraftwerk® in Uckermark generates large quantities of sustainable primary energy from wind and sun, day and night. The wind fields and the Kreuz Uckermark photovoltaic plant are connected to each other by their own lines and transformer stations. 

Collection and network infrastructure  

The electricity is collected in a hybrid manner in local networks, forwarded via substations within the compound power plant area to the central substation and there primarily fed into the transmission network. Hydrogen pipelines and heat pipes can also be part of the local integrated power plant network infrastructure.

Storage 

Surplus energy is stored, for example in the Cremzow battery storage facility, with the help of an electrolyzer in Wittenhof as green hydrogen or in the Nechlin wind heat storage facility. 

The Cremzow battery storage facility is black-start capable and can restore the grid in the event of a power failure.    

Conversion  

The electrolyzer uses electricity to split water into green hydrogen and oxygen. If required, electricity can be drawn from hydrogen or the battery storage system to stabilize the power grid by reconverting it into electricity. The wind heat storage system converts electrical energy into clean thermal energy using power-to-heat. 

Utilisation 

The electrical energy generated is bundled via a collection substation. For transmission to the public power supply, the central Bertikow substation connects the ENERTRAG Verbundkraftwerk® in Uckermark with the national transmission grid at a single transfer point. In the future, hydrogen will be fed into the passing EUGAL pipeline. A self-developed control system ensures a continuously adjustable energy flow from the generation plants into the electricity and gas grid. 

Households and industry will utilize the electricity provided on demand, as well as heat from the local heat extraction of surplus electricity. The hydrogen will be fed into the existing natural gas network and the future hydrogen network or converted into hydrogen derivatives, for example ammonia, methanol or paraffin.  

Control technology and control system 

The ENERTRAG control center in Dauerthal uses the Powersystem software to continuously monitor and control the operation of the entire ENERTRAG Verbundkraftwerk® and its components, including energy generation, conversion, distribution and grid connection. 

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ENERTRAG generates renewable energy sustainably so that the earth remains liveable.

ENERTRAG brings people, nature and the energy transition forward. The goal: zero emissions, everywhere in the world. 

Facts & Figures

622
MW
nominal output from wind energy
600
km
of power lines in our own portfolio
560
kW
electrolysis
22
MW
battery storage
24
MW
nominal output from solar energy

The energy system of the future

The ENERTRAG Verbundkraftwerk® can be implemented globally as a scalable solution. Read more about project planning for construction and operation.  

The ENERTRAG Verbundkraftwerk® Uckermark in detail 

Learn more about the individual components of the ENERTRAG Verbundkraftwerk® and gain insights into project planning, construction and operation. 

Principle

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The ENERTRAG Verbundkraftwerk® supplies energy as reliably as conventional power plants - but clean and sustainable.

The ENERTRAG Verbundkraftwerk® supplies energy as reliably as conventional power plants - but clean and sustainable.

The energy flow

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The path of energy from the wind turbine to utilization.

The path of energy from the wind turbine to utilization.

Project development

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ENERTRAG provides support in all matters relating to the development of a combined power plant.

ENERTRAG provides support in all matters relating to the development of a combined power plant.

Contact

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