Long-duration energy storage at scale. Cost-competitive, reliable, deployed globally.
We are giving people everywhere better access to energy by modernising the grid with a unique, cost-competitive solution. Energy Dome’s CO2 Battery is a long-duration energy storage technology that delivers clean power without a premium. Designed for rapid deployment, it strengthens grids, stabilises energy prices, and provides the reliable capacity needed for resilience, security, and independence. This is not tomorrow’s promise; it is already here.
The CO2 Battery is now being deployed globally, making energy storage as competitive, flexible, and reliable as conventional generation. Our solution is modular, scalable, and built with proven, sustainable materials such as steel and CO2. It’s the only LDES technology that makes sense in the marketplace today, delivering modern, sustainable energy at scale.
That’s right, we use carbon dioxide to create a new world of energy.
Energy Dome’s technology operates through a thermo-mechanical cycle, charging by drawing carbon dioxide from a ‘Dome’ gasholder, storing it under pressure, and then dispatching it by evaporating and expanding the gas through a turbine back into the gasholder.
Not all the energy storage needs are the same. Not all the objectives are the same. That’s why we provide two different solutions.
You buy only the storage capacity you need, and we’ll take care of the rest.
For those who want full ownership and control, we supply you with our CO2 Battery. But don’t worry, we’ve got your back, as we’ll be there for you every step of the way.