Antora Energy
Funding History
| Series B · 02/2024 | $150M |
|---|---|
| Series C · 07/2026 | $550M |
Overview
Antora Energy, founded in 2018 and headquartered in San Jose, California, builds thermal battery systems designed to decarbonize the high-temperature heat and power that heavy industry runs on. The technology uses surplus renewable electricity to heat blocks of solid carbon to extreme temperatures inside insulated modules, storing the energy until it is needed.
Stored heat can be discharged directly as industrial process heat or converted on demand into electricity using the company's thermophotovoltaic (TPV) cells, which have no moving parts. This lets factories, refineries and other energy-intensive sites replace fossil-fuel boilers and generators with a system that can run continuously, independent of when the sun shines or the wind blows.
Antora sells its systems both directly and through a heat-as-a-service model in which customers pay for delivered clean heat under long-term contracts rather than buying the hardware outright. The company has pointed to process heat below roughly 400°C in sectors such as food processing, chemicals, textiles and paper as its initial market, with an eventual path toward higher-temperature, harder-to-abate industries like steel and cement.
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