sustainably storage

Because not all sustainably generated energy can be used on the traditional energy grid, we have to store this energy. This ‘lost’ energy could be used really well later on. For example during the winter months when there is a shortage in green energy. An additional advantage is that this can relieve and stabilize the old trusted network. But how do you store that energy long enough? Innovative entrepreneurs see new possibilities.

Documentary

In this documentary we show where we stand in the field of energy storage. We have made a visual overview of various already possible methods. And we talk to companies that develop new storage systems. This documentary provides an objective picture with mainly substantive answers to questions that arise while watching. This gives you a good idea of the various options that energy storage currently offers.

Energy storage lake              

Delta21 is a special project that deals with energy storage. Arisen from the idea to improve water safety. Now this has grown into a versatile, future-proof solution with three pillars. Energy storage, water safety and nature restoration. Using hydropower, energy can be stored in a lake. Delta21 can generate large amounts of energy in an environmentally friendly way and also store it in an environmentally friendly way.

Provinces

Provinces in the Netherlands are also engaged in the energy transition. Therefore we asked delegates from three provinces how they view energy storage. They talk about the importance of storage and how they support innovative companies.

Storing heat in steel slags

In addition to storing electricity, we need to find ways to store heat. Cesar Energy Storage has developed a method that makes this possible in a sustainable way. They store heat in stone, like basalt and steel slags. First, a test set-up was built to prove that it works. The system is now being installed at the Ecodorp in Boekel to heat 36 homes during winter.

Power plant becomes more sustainable

In the Netherlands we’re all used to electricity coming from the socket. In fact, we don’t really think about this anymore. This is due to a well-designed energy network. One of the power stations in this network is Engie’s Maxima Power Station. This gas-fired power station is currently being upgraded. So that they are prepared for a future with sustainable energy sources. During the tour it becomes clear what is involved here.

Storing and transporting heat without waste    

Storing heat is a challenge in itself. Then how nice is it if you can also transport the stored heat without waste? Start-up Cellcius has developed a way for this. They can transport heat in an environmentally friendly and affordable way. With the heat battery.

Storage in the seabed

It’s well known that you can store energy with dam technology. Abroad there are nice examples of this. There they can use height differences. The start-up Ocean Grazer has come up with a variation on this. A system that makes it possible to use it in places without differences in height. With the Ocean Battery, energy can be stored on a large scale from, for example, offshore wind farms.

Ecovat

Energy in the form of heat can also be stored underground. That happens at Ecovat. An intelligent system, the Ecovat, that can store heat for a long time and is used to supply entire residential areas with heat.

Nature-friendly biobased battery

When it comes to energy storage, batteries are often thought of. Batteries
are also being further developed. The innovative company SuWoTec has succeeded in developing a nature-friendly battery. A battery that doesn’t contain any rare and expensive metals. SuWoTec’s bio battery uses sand, salt, leaves and seaweed to store energy.

Off the grid

Entrepreneurs would like to make more use of sustainable energy such as sun and wind. But then they must be able to dispose of any surplus on the net. Because this sometimes causes problems, OTG Energy has come up with a solution. Use as much of your self-generated energy as possible. You only supply or request from the grid when it is really necessary.

Ammonia as an energy carrier

It is said that we cannot generate enough sustainable energy in Europe. After all, we have a growing energy need. How can we ensure that we no longer have to use fossil energy? We regularly hear stories about hydrogen. However, it can also be done differently, as Proton Ventures shows. Import renewable energy by transporting it in the form of ammonia.

A battery with table salt            

Even ordinary table salt can be used to store energy. AquaBattery developed a system for this. Completely sustainable using water and salt. This stored energy can later be used as electricity.

Battolyser

Finally, we go to Battolyser Systems, where they’ve merged two existing systems. You just have to think of it. However, this allows them to respond even better to the wishes of their customers. They put a battery and an electrolyser together and call it the Battolyser. The Battolyser can be used to stabilize the energy grid. This will be very important during the energy transition.

In this documentary we have highlighted a number of special storage systems. However, there are even more beautiful new developments. Unfortunately, it is not possible to highlight all these systems in one documentary.

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