Caldera

Calectra

The company develops thermal energy storage systems that provide high-temperature, emission-free process heat for heavy industry manufacturers like steel and cement producers.

Cala Systems

Cala Systems manufactures intelligent heat pump water heaters with predictive control software for homeowners.

Antora

This company manufactures thermal batteries that store renewable electricity as heat to provide zero-carbon energy for industrial facilities, data centres and the grid.

AtmosZero

This company manufactures electrified air-source heat pump boilers for industrial customers in sectors such as food and beverage, pharmaceuticals, and chemical processing.

Antora Energy

The company manufactures thermal energy storage batteries to provide zero-emission heat and power for industrial customers and data centres.

Build To Zero

The company produces thermal energy storage systems to provide decarbonised process heat for industrial customers in sectors like chemicals and food production.

Epyr

This company develops thermal energy storage systems that convert renewable electricity into high-temperature heat for industrial facilities to replace fossil fuels.

Electrified Thermal

This company develops thermal batteries using conductive firebricks to provide zero-carbon, high-temperature heat for heavy industries like steel, cement and chemicals.