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Our portfolio offers energy storage technologies for a variety of needs.

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Batteries Batteries Batteries Battery
Pumped Pumped Batteries Pumped Hydro
Mechanical Mechanical Mechanical Mechanical Thermo-mechanical
Rotating Rotating Rotating Rotating Grid Stabilizers
Capacitor Capacitor Capacitor Supercapacitors
Thermal Thermal Thermal Thermal
Hydrogen Hydrogen Hydrogen Hydrogen storage
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Battery Energy Storage

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Batteries

Batteries store energy in the form of chemical energy. They are essential for achieving carbon-free energy production, as they address the volatility of renewable energy sources. By storing energy when it’s available in abundance and distributing it when there’s a shortage, batteries improve grid stability and ensure a steady power supply.

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Hydrogen Storage

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Hydrogen

Storing large quantities of hydrogen underground or in tanks not only allows one to store fluctuating renewable energy, but also to use it for various sectors of the economy, such as mobility, industry, or energy. It’s called ‘sector coupling’, and it’s a necessary step on our way to a carbon-free world.

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Mechanical Energy Storage

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Mechanics

Mechanical energy storage uses compression and expansion to store and release energy. They improve the utilization of renewable energy sources by storing energy during low demand and releasing it during peak demand. This prevents energy from going to waste and feeds it back to the grid at times when energy prices are high.

Thermo-Mechanical Energy Storage

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Mechanics

Thermo-mechanical storage combines the technology of heat storage and mechanical energy storage (utilizing pressure to store energy). It is well suited for bulk energy storage. As it combines advantages of both technologies, it enables a variety of applications, such as re-electrification or supplying process heat.

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Pumped Hydro

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Pumped

Pumped Hydro uses the gravitational potential energy of water in reservoirs. When electricity is needed, it’s allowed to flow through turbines, thereby creating energy. It´s cost-efficient and climate neutral. It also enables rebuilding the power grid in case of a blackout.

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Rotating Grid Stabilizers

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Rotating

Rotating grid stabilizers use kinematic energy to provide additional inertia to the grid. This way, they support the existing grid infrastructure to handle renewable infeed. They also help to stabilize the grid by supplying quick power in case other power sources fail, and thus help to prevent blackouts.

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Supercapacitors

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Capacitor

Supercapacitors store electric charges. They have relatively low energy but high-power density that enables them to be charged and discharged quickly. For that reason, supercapacitors are often used at wind and solar farms for instant and uninterrupted power supply, as well as for grid stabilization.

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Thermal Energy Storage

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Thermal

Thermal storage supports decarbonization by storing heat produced by excess renewable energy or captured from waste heat or exhaust gas. Reusing heat and gas also improves the overall energy yield. And it allows to feed thermal energy back into various processes and make them more flexible.