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News & Innovation Powertage 2024

Cutting-edge technologies to advance geothermal energy in Switzerland

ZeroGeo Energy uses Hot Dry Rock technologies to offer renewable energy storage and low-carbon baseload power generation in Europe. Our technology is ready to be deployed and is easily scalable.

ZeroGeo Energy GmbH
Zug, Switzerland

ZeroGeo Energy uses Hot Dry Rock (HDR) technologies to offer renewable energy storage and low-carbon baseload power generation in Europe.

The TerraThermo™ joint venture between ZeroGeo and Sage Geosystems Inc. will utilize Sage’s EarthStore™ and Battery+™ technologies to develop renewable energy storage and baseload power generation projects in Europe.


How is our well engineering different from other Hot Dry Rock Technologies?

A comparison table of Enhanced and Advanced Geothermal Systems with diagrams. It explains Open-Loop EGS, Sage Geosystems EGS and Advanced Systems and highlights the differences in technology, costs and geothermal processes.


Scalable from storage to baseload power production

A flowchart with three sections: EarthStore™ (pressurized energy storage), Battery+™ (geothermal storage) and BaseLoad (geothermal base load). Each section lists features and their role in scalable geothermal energy solutions.


Renewable baseload power generation

Our technology allows for renewable baseload power production by cycling multiple wells.

  • Closely spaced wells, using pad drilling techniques common in the oil and gas industry, provide significant operational efficiencies and cost-effective scaling.
  • After injecting fluid under pressure (< 1’000 PSI) into the downhole fractures and harvesting heat from dry rock, the fluid is allowed to return to the surface (driven by the fracture closure pressure) to power an sCO2 turbine for highly efficient electrical conversion.
  • Each well alternates between injector and producer (like a multi-cylinder engine) and can produce > 3 MW of power per well.

Diagram of a HeatCycle™ system showing rows of injector (blue) and producer (red) wells underground, spaced 4m apart, with surface views below illustrating a 20 well pad; arrows indicate fluid movement.


We use downward-oriented HeatRoot™ Fractures

Diagram shows three steps: 1) Inject—pumping water into a fracture (zipper opening downward), 2) Store—fracture filled with pressurized water (zipper partially open), 3) Produce—electricity generation as water is released (zipper closing).


In a nutshell

Nine green symbols, each with text underneath: Base load power, Underground, Safe, Small footprint, Environmental, Low maintenance, Modular, Regulatory. Each icon has a short description highlighting the key benefits.

Visit our website for further information.

Your contact person

Anthony Hawkins

Anthony Hawkins

Chairman, Founder

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