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Learn more about the Corre Energy project

Company Overview

Corre Energy is one of Europe’s first grid-scale sustainable energy storage projects, with an initial output of 1.8GW in the first Netherlands’ project and a roadmap of 4GW in planned future storage projects across the continent.

Corre Energy designs, develops, engineers, procures, constructs, operates, and manages grid-scale energy storage facilities comprised of Compressed Air Energy Storage (CAES), designed to provide wholesale and retail clean energy storage solutions to the energy market.

Corre Energy’s ‘storage hubs’ differ from traditional single-technology approaches and are built to serve multiple applications and customers. The storage hubs are entirely sustainable and utilise large disused underground salt caverns and other natural resources for grid-scale energy storage.

CAES technology has been used for decades for energy storage and other purposes, so the methods are already well understood. Despite this, deployment of CAES has been limited; in recent years, some companies have developed above-ground CAES using tanks, but underground salt-caverns are recognised to achieve the lowest total cost of energy yield.

Lisa Green

Chief Communications Officer

Email: [email protected]
Phone: +31 (0) 203 990 763

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How does CAES/HYCAES Work?

The Corre Energy project will use Compressed Air Energy Storage (CAES) technology to provide grid-scale renewable energy storage, storing energy in the form of compressed air in caverns underground.

A CAES cavern is developed through a process known as ‘solution-mining’, where water is injected through an access point of a salt cavern to dissolve the salt and generate brine (which is reused for commercial purposes).

Off-peak electricity is converted into compressed air and is stored in the caverns underground. When the compressed air is released to meet peak demand periods, it needs to be heated before driving a turbine to produce electricity; this heating process is achieved through using fuels such as natural gases.

CAES and HyCAES is a vital technology due to its very low minimum generation level and capability to inject substantial amounts of power into the grid within a matter of seconds. It is valuable to maintain grid stability, eliminate curtailment, and is recognised to be a significant factor in making renewable energy more investible.

One CAES cavern of 1 million cubic metres can generate 320MW of power within a 12-24 hour duration.

CAES Explained
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The Caverns
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"Energy is undoubtedly one of the most critical industries, with innovative technological advancements being absolutely vital to keep up with environmental change and industry demands."

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