Our Solution

Geomechanical Pumped Storage

The energy transition is fundamentally reshaping the electricity grid. Cost-effective long-duration storage is essential for integrating and expanding the use of clean, renewable energy resources, such as wind and solar. Traditional pumped hydro storage is by far the largest and most cost-effective form of energy storage today. However, due to dependency on elevated terrain, pumped hydro storage could not be widely implemented, until Quidnet.

Quidnet Energy pioneered a novel form of modular energy storage – Geomechanical Pumped Storage - that is widely deployable at very low cost. Subsurface rock layers are converted into energy storage reservoirs for large-scale renewables integration and grid management.

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Modular

Long Duration

Lowest Cost

Rapidly Deployable

Reliable

Time-Tested Adaptive Technology

Modular Pumped Storage

Quidnet unlocks the constraints of traditional pumped hydro to fundamentally change the economics and deployment profile of long-duration storage.

Modular

Flexible and precise deployment onto the grid

Can be deployed across diverse geographic areas on small footprints to provide custom grid support where needed. 1-10 MW modules for flexible and precise deployment onto the grid similar to wind turbine scaling.

Long Duration

Capacity to balance renewables and enhance resiliency

10+ hour modules that can be grouped—much like wind turbines—into larger configurations.

Lowest Cost

Half the cost of other leading storage technologies

Structural cost advantage, with lower per-MW installed costs than gas peaking plants and other storage systems. Long-range costs are projected at half that of all other leading storage technologies.

Rapidly Deployable

Uncomplicated approach delivers grid electrons faster

Established federal and state permitting structures and simple well construction techniques, enable new facilities to be added to the system in time frames similar to renewable energy development.

Reliable

Proven technology in an established supply chain

Key process equipment provided and serviced by mature suppliers from well-established industries that is ready to scale to meet the needs of the energy transition.

How it Works

The entire Quidnet module is built on conventional drilling technology and mature hydropower technology. Facilities operate with closed-loop water systems, designed for conservation against evaporative loss. The energy-storing rock bodies are non-hydrocarbon bearing and found abundantly throughout the world, intersecting with major electricity transmission and distribution hubs.

1.

When electricity is abundant, it is used to pump water from a pond down a well and into a body of rock.
2.

The well is closed, keeping the energy stored under pressure between rock layers for as long as needed.
3.

When electricity is needed, the well is opened to let the pressurized water pass through a turbine to generate electricity, and return to the pond ready for the next cycle.

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Building Back Better

As America makes major new federal infrastructure investments, harnessing the synergies of the energy transition, there are thousands of professionals who have seen devastating workforce cutbacks in the Oil & Gas industry.

Because Quidnet’s energy storage solution is built on established subsurface engineering and hydropower processes, it offers a unique opportunity to re-direct the significant training and talents of this workforce—along with the technology supply chains—into the new energy transition economy. Deployment of Quidnet’s technology will require professionals with the following skillsets: :

Geology and Geophysics
Project Development
Construction Management

Design and Engineering
Origination and Finance
Asset Operations and Maintenance

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Because some renewable energy technologies – such as wind and solar – have variable outputs, storage technologies have great potential for smoothing out the electricity supply from these sources and ensuring that the supply of generation matches the demand.

Union of Concerned Scientists

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