We decarbonise heat

Caldera's mission is to eliminate fossil fuels by storing renewable energy as heat, ready to be used when required.

Caldera's solution is affordable, safe, scalable and durable.

Time to electrify?

Caldera’s systems can replace or supplement any industrial or commercial fossil fuel boiler. They cut carbon, and when paired with on-site solar or wind also cut costs. For businesses that need process heat they provide the same energy storage benefit as batteries more affordably, and can generate steam, hot water or air. 

Investor?

In 2021 we welcomed nearly 1,300 investors via Crowdcube on our journey to providing zero carbon heat. If you would like to join them please register your interest.

The process varies depending on the potential size of your investment, so we ask for an indication of this without commitment.

Powered by renewables

Caldera's thermal storage uses low carbon electricity whenever the wind is blowing or the sun is shining, then stores the energy efficiently until it is needed to provide heat.

Solar and wind power going into Warmstone heat battery

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Meet the team