THE NATURSTROMSPEICHER - OUR BIG GREEN BATTERY

Your wind farm can do more than you think. Why not turn it into a highly versatile energy storage plant and make your portfolio fit for the future energy market.

The Naturstromspeicher, our natural energy storage plant, is the combination of a wind farm with a pumped storage hydro-electric power plant. It utilises the towers and bases of wind turbines as water reservoirs. These bases make it possible to increase hub heigths by an additional 40 metres. As a result, you can increase power generation from wind energy by as much as 25 percent. 

In terms of building construction and machinery, the Naturstromspeicher uses standardised technology throughout. That means we can achieve competitive costs for investment and ensure long-term operation of the installations. 

Adaptive pumped storage plants are used almost round the clock for the various purposes required in the electricity market.

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THIS IS HOW IT WORKS:

WIND TURBINE TOWERS WITH RESERVOIR BASES

The wind farm towers of the Naturstromspeicher are a prefabricated and fully standardised modular system. What is known as the active reservoir is located in the bottom part of the turbine tower. It stands in what we call the passive reservoir. It is an external reservoir that holds the majority of the water volume.

 

PENSTOCK

The Naturstromspeicher is designed for height differences of 150 - 350 metres between the lower reservoir and the reservoir bases of the wind turbines. 

The reservoirs are connected by the penstock, a pipe made of polyethylene (PE). We have developed a special pipe-laying method that enables quick and easy construction.

 

 

PUMPED STORAGE PLANT

The pumped storage hydro-electric plant is available in three output classes (16, 24 and 32 MW). Even the power house is a standardised, modular design. It will have certified type approval and is fully electronically controlled.

 

LOWER RESERVOIR

The lower reservoir is has a near-natural design. It integrates harmoniously into the landscape. 

There are often suitable areas in valley locations that can be developed into lower reservoirs.

 

 
Zwischenlagerung der obersten Erdschicht

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