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Energy storage sounds complicated, and can easily designed to be complex.
However; Our approach is simplicity, chemical free and using well known materials and methodologies, and combining such into a reliable and easily scalable solution that does not need rocket scientists to build. And, there are no fire hazardous batteries involved.
Animation can also be found at https://vimeo.com/766470744
Energy generation solutions often produce too much electricity, where that extra power is just dumped into the grid and not utilised (sold) or the generators are adjusted in delivery. Systems like wind turbines only produce power when the wind blows, as wave power only produce power when there is sufficient waves. So, when the wind is not blowing or there are no waves, then energy delivery will require long term storage systems that kicks in to provide that energy. That is what Storage2power does.
To summarise, energy storage is compressed air, while energy generation is by releasing compressed air through turbines, in addition to water flowing through a turbine while the piston is sinking as well as when it is rising within the larger closed loop tube system.
The system may very well be coupled to a wave energy solution also.
The system can adapt to any water depth, and it will be scaled (diameter and length) according to required and possible power storage capacity.
Basically it is mainly based on tubes of various dimensions, well know in industries like oil and gas production and transport, water and sewage transport, and much more. We will even evaluate recycled and cleaned pipes from such industries, to further reduce environmental impact.It can be moored to the seafloor, and it may be submerged to allow vessels etc. to have unlimited sailing above. When it needs service, it can be floated to the surface.
How we scale the system? Tell us how much energy you need to store and water depth, and we can tell you size and number of units.
The entire system may be assembled onshore, and then towed horizontally to location, where the air inside is evacuated - Causing the system to be submerged to installation depth.
Mooring at the seabed may be by suction anchor, by pre-drilled rock anchors, and more. It can of course also be based on non-seabed anchoring, where it is coupled to a surface structure holding it in place. If in fjords, underwater mooring lines may be used to each side of the fjord.
Power storage is compressed air, and the compression of this may be done by an external power source (having intermitted excess power production), or we can directly couple this to available wave power or and underwater turbine. We also have experience in more efficient air compression methods, which will be investigated in the development project.
The solution is to be developed and commercialized by the Norway based company Storage2power AS